Guardar en db

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+package-lock.json
+.git
+.gitignore
+data
+*.db
+Dockerfile
+docker-compose.yml

Dockerfile

@@ -1,7 +1,15 @@
 FROM nginx:alpine
 
-# Copiar el frontend a la carpeta de Nginx
+RUN apk add --no-cache nodejs npm python3 make g++
+
+WORKDIR /app/backend
+COPY backend/package*.json ./
+RUN npm install
+COPY backend .
+
 COPY frontend /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/nginx.conf
 
-# Exponer el puerto 80 del contenedor
 EXPOSE 80
+
+CMD node /app/backend/server.js & nginx -g 'daemon off;'

backend/package-lock.json

@@ -0,0 +1,915 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "backend",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "better-sqlite3": "^13.0.3",
+        "cors": "^2.8.6",
+        "express": "^5.2.1"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
+      "integrity": "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "^3.0.0",
+        "negotiator": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/better-sqlite3": {
+      "version": "13.0.3",
+      "resolved": "https://registry.npmjs.org/better-sqlite3/-/better-sqlite3-13.0.3.tgz",
+      "integrity": "sha512-RbOBxmLBG8uvFUc15X9+9SFemKcQ0WBuISBVkpuiaUB2qblC8UWlHEjdWVoZ8AdhSwmoEgsiXKfopX0CQxaACQ==",
+      "license": "MIT",
+      "dependencies": {
+        "node-addon-api": "^8.0.0"
+      },
+      "engines": {
+        "node": ">=22"
+      }
+    },
+    "node_modules/body-parser": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.3.0.tgz",
+      "integrity": "sha512-2cGmJupaNgg+QUwVLAucDuWuoMZ6EX9iHDRswZ5lsNYEmwPaRknMPCLZz07yTzVq/83p4o/wzbDZbBrTvGGTIw==",
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "^3.1.2",
+        "content-type": "^2.0.0",
+        "debug": "^4.4.3",
+        "http-errors": "^2.0.1",
+        "iconv-lite": "^0.7.2",
+        "on-finished": "^2.4.1",
+        "qs": "^6.15.2",
+        "raw-body": "^3.0.2",
+        "type-is": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/body-parser/node_modules/content-type": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-2.0.0.tgz",
+      "integrity": "sha512-j/O/d7GcZCyNl7/hwZAb606rzqkyvaDctLmckbxLzHvFBzTJHuGEdodATcP3yIRoDrLHkIATJuvzbFlp/ki2cQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
+      "integrity": "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/content-disposition": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.1.0.tgz",
+      "integrity": "sha512-5jRCH9Z/+DRP7rkvY83B+yGIGX96OYdJmzngqnw2SBSxqCFPd0w2km3s5iawpGX8krnwSGmF0FW5Nhr0Hfai3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/content-type": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+      "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/cookie": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/cookie-signature": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz",
+      "integrity": "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.6.0"
+      }
+    },
+    "node_modules/cors": {
+      "version": "2.8.6",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.6.tgz",
+      "integrity": "sha512-tJtZBBHA6vjIAaF6EnIaq6laBBP9aq/Y3ouVJjEfoHbRBcHBAHYcMh/w8LDrk2PvIMMq8gmopa5D4V8RmbrxGw==",
+      "license": "MIT",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/depd": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+      "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/dunder-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==",
+      "license": "MIT"
+    },
+    "node_modules/encodeurl": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
+      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/es-define-property": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
+      "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-errors": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
+      "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-object-atoms": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.2.tgz",
+      "integrity": "sha512-HWcBoN6NileqtSydK2FqHbS/LoDd2pqrnQHLyJzBj4kOp/ky2MWMN694xOfkK8/SnUsW2DH7EfyVlydKCsm1Zw==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==",
+      "license": "MIT"
+    },
+    "node_modules/etag": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
+      "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/express": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz",
+      "integrity": "sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==",
+      "license": "MIT",
+      "dependencies": {
+        "accepts": "^2.0.0",
+        "body-parser": "^2.2.1",
+        "content-disposition": "^1.0.0",
+        "content-type": "^1.0.5",
+        "cookie": "^0.7.1",
+        "cookie-signature": "^1.2.1",
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "finalhandler": "^2.1.0",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.0",
+        "merge-descriptors": "^2.0.0",
+        "mime-types": "^3.0.0",
+        "on-finished": "^2.4.1",
+        "once": "^1.4.0",
+        "parseurl": "^1.3.3",
+        "proxy-addr": "^2.0.7",
+        "qs": "^6.14.0",
+        "range-parser": "^1.2.1",
+        "router": "^2.2.0",
+        "send": "^1.1.0",
+        "serve-static": "^2.2.0",
+        "statuses": "^2.0.1",
+        "type-is": "^2.0.1",
+        "vary": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/finalhandler": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.1.tgz",
+      "integrity": "sha512-S8KoZgRZN+a5rNwqTxlZZePjT/4cnm0ROV70LedRHZ0p8u9fRID0hJUZQpkKLzro8LfmC8sx23bY6tVNxv8pQA==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.0",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "on-finished": "^2.4.1",
+        "parseurl": "^1.3.3",
+        "statuses": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/forwarded": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
+      "integrity": "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/fresh": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-2.0.0.tgz",
+      "integrity": "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/function-bind": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
+      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/get-intrinsic": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
+      "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "es-define-property": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "es-object-atoms": "^1.1.1",
+        "function-bind": "^1.1.2",
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "hasown": "^2.0.2",
+        "math-intrinsics": "^1.1.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/get-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
+      "integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
+      "license": "MIT",
+      "dependencies": {
+        "dunder-proto": "^1.0.1",
+        "es-object-atoms": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/gopd": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
+      "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/has-symbols": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
+      "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/hasown": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz",
+      "integrity": "sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==",
+      "license": "MIT",
+      "dependencies": {
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/http-errors": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.1.tgz",
+      "integrity": "sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ==",
+      "license": "MIT",
+      "dependencies": {
+        "depd": "~2.0.0",
+        "inherits": "~2.0.4",
+        "setprototypeof": "~1.2.0",
+        "statuses": "~2.0.2",
+        "toidentifier": "~1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/iconv-lite": {
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.3.tgz",
+      "integrity": "sha512-IKXpvIzjnC9XTAUbVBcMfGS0EPaIXtW6v+zr+RRp+hqULEpo0owZax6wyRwPOJbWbzjYspQwusTsfVr0ifh4uQ==",
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/inherits": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "license": "ISC"
+    },
+    "node_modules/ipaddr.js": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
+      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/is-promise": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-4.0.0.tgz",
+      "integrity": "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==",
+      "license": "MIT"
+    },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/media-typer": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-1.1.1.tgz",
+      "integrity": "sha512-yz3xRaG20c6/BOzvYoDaGtPmGscs7YivItZEEqe6GbwNfHuxu9YNmvnEkMzKldAGY4/80pRcQRZSEnhquk9XuQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/merge-descriptors": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-2.0.0.tgz",
+      "integrity": "sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/mime-db": {
+      "version": "1.54.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
+      "integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/mime-types": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.2.tgz",
+      "integrity": "sha512-Lbgzdk0h4juoQ9fCKXW4by0UJqj+nOOrI9MJ1sSj4nI8aI2eo1qmvQEie4VD1glsS250n15LsWsYtCugiStS5A==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "^1.54.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/negotiator": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
+      "integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/node-addon-api": {
+      "version": "8.9.1",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-8.9.1.tgz",
+      "integrity": "sha512-4eUQWVPCUUUiBjLnHS3cXWeC6ryoPUc0U3rP7IuzapoGbzMqd/r6KKO0clr0b+snQhsrueFEhCZDdK+LK7hxKg==",
+      "license": "MIT",
+      "engines": {
+        "node": "^18 || ^20 || >= 21"
+      }
+    },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/object-inspect": {
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
+      "integrity": "sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/on-finished": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
+      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
+      "license": "MIT",
+      "dependencies": {
+        "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
+      "license": "ISC",
+      "dependencies": {
+        "wrappy": "1"
+      }
+    },
+    "node_modules/parseurl": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/path-to-regexp": {
+      "version": "8.4.2",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.4.2.tgz",
+      "integrity": "sha512-qRcuIdP69NPm4qbACK+aDogI5CBDMi1jKe0ry5rSQJz8JVLsC7jV8XpiJjGRLLol3N+R5ihGYcrPLTno6pAdBA==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/proxy-addr": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
+      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
+      "license": "MIT",
+      "dependencies": {
+        "forwarded": "0.2.0",
+        "ipaddr.js": "1.9.1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/qs": {
+      "version": "6.15.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.15.3.tgz",
+      "integrity": "sha512-O9gl3zCl5h5blw1KGUzQKhA5oUXSl8rwUIM5o0S3nCXMliSvy5Dzx7/DJcI+SwgICv+IneSZwhBh1oSyEHA71A==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "es-define-property": "^1.0.1",
+        "side-channel": "^1.1.1"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/range-parser": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.3.0.tgz",
+      "integrity": "sha512-hek2mFQpPuI4E1BBKrSto+BU3e3x4xuarsbiwr3+lf7p44juvFMV0XFWQAP3xUyqXA4RrXLIoaSUGbSt056ZMw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/raw-body": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.2.tgz",
+      "integrity": "sha512-K5zQjDllxWkf7Z5xJdV0/B0WTNqx6vxG70zJE4N0kBs4LovmEYWJzQGxC9bS9RAKu3bgM40lrd5zoLJ12MQ5BA==",
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "~3.1.2",
+        "http-errors": "~2.0.1",
+        "iconv-lite": "~0.7.0",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/router": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
+      "integrity": "sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "is-promise": "^4.0.0",
+        "parseurl": "^1.3.3",
+        "path-to-regexp": "^8.0.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
+    "node_modules/send": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/send/-/send-1.2.1.tgz",
+      "integrity": "sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.3",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.1",
+        "mime-types": "^3.0.2",
+        "ms": "^2.1.3",
+        "on-finished": "^2.4.1",
+        "range-parser": "^1.2.1",
+        "statuses": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/serve-static": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.2.1.tgz",
+      "integrity": "sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw==",
+      "license": "MIT",
+      "dependencies": {
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "parseurl": "^1.3.3",
+        "send": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/setprototypeof": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
+      "license": "ISC"
+    },
+    "node_modules/side-channel": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.1.tgz",
+      "integrity": "sha512-6x6dK6zJdpTzF4sQeNYxwtvBzf6Eg4GtlesS94HOvTudUeyK2WXAaIfmDgsyslYrRBeFIlsi54AYsFGUuhmvrQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.4",
+        "side-channel-list": "^1.0.1",
+        "side-channel-map": "^1.0.1",
+        "side-channel-weakmap": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-list": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/side-channel-list/-/side-channel-list-1.0.1.tgz",
+      "integrity": "sha512-mjn/0bi/oUURjc5Xl7IaWi/OJJJumuoJFQJfDDyO46+hBWsfaVM65TBHq2eoZBhzl9EchxOijpkbRC8SVBQU0w==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.4"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-map": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/side-channel-map/-/side-channel-map-1.0.1.tgz",
+      "integrity": "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-weakmap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/side-channel-weakmap/-/side-channel-weakmap-1.0.2.tgz",
+      "integrity": "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3",
+        "side-channel-map": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.1.0.tgz",
+      "integrity": "sha512-faYHw0anBbc/kWF3zFTEnxSFOAGUX9GFbOBthvDdLsIlEoWOFOtS0zgCiQYwIskL9iGXZL3kAXD8OoZ4GmMATA==",
+      "license": "MIT",
+      "dependencies": {
+        "content-type": "^2.0.0",
+        "media-typer": "^1.1.0",
+        "mime-types": "^3.0.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/type-is/node_modules/content-type": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-2.0.0.tgz",
+      "integrity": "sha512-j/O/d7GcZCyNl7/hwZAb606rzqkyvaDctLmckbxLzHvFBzTJHuGEdodATcP3yIRoDrLHkIATJuvzbFlp/ki2cQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "license": "ISC"
+    }
+  }
+}

backend/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "Backend API para Sistema de Nóminas",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "better-sqlite3": "^13.0.3",
+    "express": "^5.2.1"
+  }
+}

backend/server.js

@@ -0,0 +1,130 @@
+const express = require('express');
+const Database = require('better-sqlite3');
+const path = require('path');
+
+const app = express();
+const PORT = 3000;
+const DATA_DIR = '/app/data';
+
+app.use(express.json());
+
+const dbTrabajadores = new Database(path.join(DATA_DIR, 'trabajadores.db'));
+const dbDatos = new Database(path.join(DATA_DIR, 'datos.db'));
+const dbHistorial = new Database(path.join(DATA_DIR, 'historial.db'));
+
+// ==================== TRABAJADORES ====================
+
+app.get('/api/trabajadores', (req, res) => {
+  try {
+    const rows = dbTrabajadores.prepare('SELECT * FROM trabajadores ORDER BY nombre').all();
+    res.json(rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.post('/api/trabajadores', (req, res) => {
+  try {
+    const { id, nombre, apellidos, puesto, salario_mensual, fecha_ingreso, seguridad_social, activo } = req.body;
+    dbTrabajadores.prepare(
+      'INSERT INTO trabajadores (id, nombre, apellidos, puesto, salario_mensual, fecha_ingreso, seguridad_social, activo) VALUES (?, ?, ?, ?, ?, ?, ?, ?)'
+    ).run(id, nombre, apellidos, puesto, salario_mensual, fecha_ingreso, seguridad_social, activo);
+    res.json({ message: 'Trabajador creado' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.put('/api/trabajadores/:id', (req, res) => {
+  try {
+    const idOriginal = req.params.id;
+    const { id, nombre, apellidos, puesto, salario_mensual, fecha_ingreso, seguridad_social, activo } = req.body;
+    dbTrabajadores.prepare(
+      'UPDATE trabajadores SET id = ?, nombre = ?, apellidos = ?, puesto = ?, salario_mensual = ?, fecha_ingreso = ?, seguridad_social = ?, activo = ? WHERE id = ?'
+    ).run(id, nombre, apellidos, puesto, salario_mensual, fecha_ingreso, seguridad_social, activo, idOriginal);
+    res.json({ message: 'Trabajador actualizado' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.delete('/api/trabajadores/:id', (req, res) => {
+  try {
+    dbTrabajadores.prepare('DELETE FROM trabajadores WHERE id = ?').run(req.params.id);
+    res.json({ message: 'Trabajador eliminado' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// ==================== CONFIGURACIONES ====================
+
+app.get('/api/configuracion', (req, res) => {
+  try {
+    const row = dbDatos.prepare('SELECT * FROM parametros_nomina ORDER BY id DESC LIMIT 1').get();
+    res.json(row || {});
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.post('/api/configuracion', (req, res) => {
+  try {
+    const {
+      nombre_empresa,
+      salario_minimo,
+      auxilio_transporte,
+      horas_semanales,
+      horas_mensuales,
+      dia_inicio_mes,
+      dia_fin_mes,
+      tiempo_almuerzo,
+      valor_hora_ordinaria,
+      valor_hora_extra,
+      valor_hora_extra_nocturna
+    } = req.body;
+
+    const count = dbDatos.prepare('SELECT COUNT(*) as total FROM parametros_nomina').get().total;
+
+    if (count === 0) {
+      dbDatos.prepare(
+        'INSERT INTO parametros_nomina (nombre_empresa, salario_minimo, auxilio_transporte, horas_semanales, horas_mensuales, dia_inicio_mes, dia_fin_mes, tiempo_almuerzo, valor_hora_ordinaria, valor_hora_extra, valor_hora_extra_nocturna) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)'
+      ).run(nombre_empresa, salario_minimo, auxilio_transporte, horas_semanales, horas_mensuales, dia_inicio_mes, dia_fin_mes, tiempo_almuerzo, valor_hora_ordinaria, valor_hora_extra, valor_hora_extra_nocturna);
+    } else {
+      dbDatos.prepare(
+        'UPDATE parametros_nomina SET nombre_empresa = ?, salario_minimo = ?, auxilio_transporte = ?, horas_semanales = ?, horas_mensuales = ?, dia_inicio_mes = ?, dia_fin_mes = ?, tiempo_almuerzo = ?, valor_hora_ordinaria = ?, valor_hora_extra = ?, valor_hora_extra_nocturna = ?'
+      ).run(nombre_empresa, salario_minimo, auxilio_transporte, horas_semanales, horas_mensuales, dia_inicio_mes, dia_fin_mes, tiempo_almuerzo, valor_hora_ordinaria, valor_hora_extra, valor_hora_extra_nocturna);
+    }
+
+    res.json({ message: 'Configuración guardada' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// ==================== HISTORIAL ====================
+
+app.get('/api/historial', (req, res) => {
+  try {
+    const rows = dbHistorial.prepare('SELECT * FROM registros_historial ORDER BY fecha DESC').all();
+    res.json(rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.post('/api/historial', (req, res) => {
+  try {
+    const { fecha, trabajador, inicio_dia, fin_dia, tiempo_almuerzo } = req.body;
+    dbHistorial.prepare(
+      'INSERT INTO registros_historial (fecha, trabajador, inicio_dia, fin_dia, tiempo_almuerzo) VALUES (?, ?, ?, ?, ?)'
+    ).run(fecha, trabajador, inicio_dia, fin_dia, tiempo_almuerzo);
+    res.json({ message: 'Registro guardado' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.listen(PORT, () => {
+  console.log(`Backend corriendo en http://localhost:${PORT}`);
+});

docker-compose.yml

@@ -4,4 +4,6 @@ services:
     container_name: nominas-app
     ports:
       - "9005:80"
+    volumes:
+      - ./data:/app/data
     restart: unless-stopped

frontend/css/styles.css

@@ -305,6 +305,7 @@ body {
 
 .form-group input[type="number"] {
   -moz-appearance: textfield;
+  appearance: textfield;
 }
 
 .form-group input,
@@ -354,7 +355,6 @@ input[readonly] {
   color: #7f8c8d;
 }
 
-.form-group input[readonly] + label,
 .form-group label.readonly-label {
   color: #95a5a6;
   cursor: not-allowed;

frontend/index.html

@@ -8,17 +8,12 @@
 </head>
 <body>
   <div class="app-layout">
-    <!-- // SIDEBAR (MENU LATERAL) -->
     <aside class="sidebar">
       <div class="logo">
         <h2>Sistema de Nóminas</h2>
       </div>
       <nav class="menu">
-        <button class="menu-btn active" data-section="seguimiento">
+        <button class="menu-btn active" data-section="trabajadores">
-          <span class="icon">⏰</span>
-          Seguimiento
-        </button>
-        <button class="menu-btn" data-section="trabajadores">
           <span class="icon">👷</span>
           Trabajadores
         </button>
@@ -46,20 +41,13 @@
         </button>
       </div>
     </aside>
-    <!-- // CIERRE DE SIDEBAR (MENU LATERAL) -->
      
-    <!-- // INICIO DEL MAIN (CONTENIDO) -->
     <main class="main-content">
-      <!--N INICIO DE LOS TRABAJADORES -->
       <header class="top-bar">
         <h1 id="section-title">Trabajadores</h1>
       </header>
 
-      <section id="seguimiento" class="section active">
+      <section id="trabajadores" class="section active">
-        <p>Seguimiento de nóminas y empleados.</p>
-      </section>
-
-      <section id="trabajadores" class="section">
         <div class="section-actions">
           <button id="btn-nuevo-trabajador" class="btn btn-primary">+ Nuevo trabajador</button>
         </div>
@@ -142,7 +130,6 @@
           </div>
         </div>
       </section>
-      <!--N CIERRE DE TRABAJADORES -->
 
       <section id="nominas" class="section">
         <p>Gestión de nóminas.</p>
@@ -152,7 +139,6 @@
         <p>Gestión de liquidaciones.</p>
       </section>
 
-      <!--N INICIO DE CONFIGURACIONES -->
       <section id="configuraciones" class="section">
         <div class="config-card">
           <div class="config-header">
@@ -213,17 +199,15 @@
           </form>
         </div>
       </section>
-      <!--N FIN DE CONFIGURACIONES -->
-
-      <section id="licencia" class="section">
-        <p>Información de licencia.</p>
-      </section>
 
       <section id="historial" class="section">
         <p>Historial de cambios y movimientos.</p>
       </section>
+
+      <section id="licencia" class="section">
+        <p>Información de licencia.</p>
+      </section>
     </main>
-    <!--// FIN DEL MAIN (CONTENIDO) -->
   </div>
 
   <script src="js/app.js"></script>

frontend/js/app.js

@@ -1,17 +1,15 @@
-//// PASAR DE UN BOTON A OTRO BOTON
 document.addEventListener('DOMContentLoaded', function () {
   const menuButtons = document.querySelectorAll('.menu-btn');
   const sections = document.querySelectorAll('.section');
   const sectionTitle = document.getElementById('section-title');
 
   const titles = {
-    seguimiento: 'Seguimiento',
     trabajadores: 'Trabajadores',
     nominas: 'Nóminas',
     liquidaciones: 'Liquidaciones',
     configuraciones: 'Configuraciones',
-    licencia: 'Licencia',
+    historial: 'Historial',
-    historial: 'Historial'
+    licencia: 'Licencia'
   };
 
   menuButtons.forEach(button => {
@@ -28,8 +26,7 @@ document.addEventListener('DOMContentLoaded', function () {
     });
   });
 
-//// MODULO DE TRABAJADORES
+  let trabajadores = [];
-  const trabajadores = [];
   let editandoId = null;
 
   const modalTrabajador = document.getElementById('modal-trabajador');
@@ -42,27 +39,7 @@ document.addEventListener('DOMContentLoaded', function () {
   const chkSmv = document.getElementById('chk-smv');
   const inputSalario = document.getElementById('trabajador-salario');
 
-  let configuracionGlobal = {
+  let configuracionGlobal = {};
-    id: null,
-    nombre_empresa: '',
-    salario_minimo: '',
-    auxilio_transporte: '',
-    horas_semanales: '',
-    horas_mensuales: '',
-    dia_inicio_mes: '',
-    dia_fin_mes: '',
-    tiempo_almuerzo: '',
-    valor_hora_ordinaria: '',
-    valor_hora_extra: '',
-    valor_hora_extra_nocturna: ''
-  };
-
-  function formatearPesos(valor) {
-    const partes = Number(valor).toFixed(2).split('.');
-    const entera = partes[0].replace(/\B(?=(\d{3})+(?!\d))/g, '.');
-    const decimal = ',' + partes[1];
-    return entera + decimal;
-  }
 
   function formatearPesosSinDecimales(valor) {
     const numero = Number(valor);
@@ -100,7 +77,7 @@ document.addEventListener('DOMContentLoaded', function () {
         <td>${t.id}</td>
         <td>${t.nombre} ${t.apellidos}</td>
         <td>${t.puesto || '-'}</td>
-        <td>${t.salario_mensual ? formatearPesos(Number(t.salario_mensual)) : '-'}</td>
+        <td>${t.salario_mensual ? formatearPesosSinDecimales(Number(t.salario_mensual)) : '-'}</td>
         <td>
           <span class="badge ${t.activo == 1 ? 'badge-active' : 'badge-inactive'}">
             ${t.activo == 1 ? 'Activo' : 'Inactivo'}
@@ -119,7 +96,17 @@ document.addEventListener('DOMContentLoaded', function () {
     });
   }
 
-  function guardarTrabajador(e) {
+  async function cargarTrabajadores() {
+    try {
+      const resp = await fetch(`${API_URL}/trabajadores`);
+      trabajadores = await resp.json();
+      renderTabla();
+    } catch (err) {
+      console.error('Error cargando trabajadores:', err);
+    }
+  }
+
+  async function guardarTrabajador(e) {
     e.preventDefault();
 
     const datos = {
@@ -133,22 +120,37 @@ document.addEventListener('DOMContentLoaded', function () {
       activo: document.getElementById('trabajador-activo').value
     };
 
+    try {
       if (editandoId !== null) {
-      const index = trabajadores.findIndex(t => t.id === editandoId);
+        await fetch(`${API_URL}/trabajadores/${editandoId}`, {
-      if (index !== -1) {
+          method: 'PUT',
-        trabajadores[index] = { ...datos, idOriginal: editandoId };
+          headers: { 'Content-Type': 'application/json' },
-      }
+          body: JSON.stringify(datos)
+        });
       } else {
-      const existe = trabajadores.some(t => t.id === datos.id);
+        await fetch(`${API_URL}/trabajadores`, {
-      if (existe) {
+          method: 'POST',
-        alert('Ya existe un trabajador con ese documento de identidad.');
+          headers: { 'Content-Type': 'application/json' },
-        return;
+          body: JSON.stringify(datos)
+        });
+      }
+      cerrarModal();
+      await cargarTrabajadores();
+    } catch (err) {
+      alert('Error al guardar trabajador');
+      console.error(err);
     }
-      trabajadores.push(datos);
   }
 
-    cerrarModal();
+  async function eliminarTrabajador(id) {
-    renderTabla();
+    if (!confirm('¿Estás seguro de eliminar este trabajador?')) return;
+    try {
+      await fetch(`${API_URL}/trabajadores/${id}`, { method: 'DELETE' });
+      await cargarTrabajadores();
+    } catch (err) {
+      alert('Error al eliminar trabajador');
+      console.error(err);
+    }
   }
 
   function cargarEdicion(id) {
@@ -166,16 +168,10 @@ document.addEventListener('DOMContentLoaded', function () {
     document.getElementById('trabajador-seguridad').value = t.seguridad_social;
     document.getElementById('trabajador-activo').value = t.activo;
 
-    abrirModal('editar');
+    if (chkSmv) chkSmv.checked = false;
-  }
+    if (inputSalario) inputSalario.disabled = false;
 
-  function eliminarTrabajador(id) {
+    abrirModal('editar');
-    if (!confirm('¿Estás seguro de eliminar este trabajador?')) return;
-    const index = trabajadores.findIndex(t => t.id === id);
-    if (index !== -1) {
-      trabajadores.splice(index, 1);
-      renderTabla();
-    }
   }
 
   btnNuevoTrabajador.addEventListener('click', () => abrirModal('nuevo'));
@@ -200,11 +196,10 @@ document.addEventListener('DOMContentLoaded', function () {
     });
   }
 
-  renderTabla();
+  cargarTrabajadores();
 
   // --- Módulo de Configuraciones ---
   const formConfiguraciones = document.getElementById('form-configuraciones');
-  const btnGuardarConfiguraciones = document.getElementById('btn-guardar-configuraciones');
   const cfgMensaje = document.getElementById('cfg-mensaje');
 
   const camposPesosSinDecimales = [
@@ -215,9 +210,7 @@ document.addEventListener('DOMContentLoaded', function () {
 
   const inputHorasSemanales = document.getElementById('cfg-horas-semanales');
   const inputHorasMensuales = document.getElementById('cfg-horas-mensuales');
-  const inputDiaInicio = document.getElementById('cfg-dia-inicio');
+
-  const inputDiaFin = document.getElementById('cfg-dia-fin');
-  const inputTiempoAlmuerzo = document.getElementById('cfg-tiempo-almuerzo');
   const inputHoraOrdinaria = document.getElementById('cfg-hora-ordinaria');
   const inputHoraExtra = document.getElementById('cfg-hora-extra');
   const inputHoraExtraNocturna = document.getElementById('cfg-hora-extra-nocturna');
@@ -245,24 +238,36 @@ document.addEventListener('DOMContentLoaded', function () {
     }
   }
 
+  async function cargarConfiguracion() {
+    try {
+      const resp = await fetch(`${API_URL}/configuracion`);
+      const data = await resp.json();
+      if (data && Object.keys(data).length > 0) {
+        configuracionGlobal = data;
+        cargarConfiguracionEnFormulario();
+      }
+    } catch (err) {
+      console.error('Error cargando configuración:', err);
+    }
+  }
+
   function cargarConfiguracionEnFormulario() {
-    document.getElementById('cfg-nombre-empresa').value = configuracionGlobal.nombre_empresa;
+    document.getElementById('cfg-nombre-empresa').value = configuracionGlobal.nombre_empresa || '';
     document.getElementById('cfg-salario-minimo').value = configuracionGlobal.salario_minimo ? formatearPesosSinDecimales(configuracionGlobal.salario_minimo) : '';
     document.getElementById('cfg-auxilio-transporte').value = configuracionGlobal.auxilio_transporte ? formatearPesosSinDecimales(configuracionGlobal.auxilio_transporte) : '';
-    document.getElementById('cfg-horas-semanales').value = configuracionGlobal.horas_semanales;
+    document.getElementById('cfg-horas-semanales').value = configuracionGlobal.horas_semanales || '';
-    document.getElementById('cfg-horas-mensuales').value = configuracionGlobal.horas_mensuales;
+    document.getElementById('cfg-horas-mensuales').value = configuracionGlobal.horas_mensuales || '';
-    document.getElementById('cfg-dia-inicio').value = configuracionGlobal.dia_inicio_mes;
+    document.getElementById('cfg-dia-inicio').value = configuracionGlobal.dia_inicio_mes || '';
-    document.getElementById('cfg-dia-fin').value = configuracionGlobal.dia_fin_mes;
+    document.getElementById('cfg-dia-fin').value = configuracionGlobal.dia_fin_mes || '';
-    document.getElementById('cfg-tiempo-almuerzo').value = configuracionGlobal.tiempo_almuerzo;
+    document.getElementById('cfg-tiempo-almuerzo').value = configuracionGlobal.tiempo_almuerzo || '';
     document.getElementById('cfg-hora-ordinaria').value = configuracionGlobal.valor_hora_ordinaria ? formatearPesosSinDecimales(configuracionGlobal.valor_hora_ordinaria) : '';
     calcularCamposDependientes();
   }
 
-  function guardarConfiguracion(e) {
+  async function guardarConfiguracion(e) {
     e.preventDefault();
 
-    configuracionGlobal = {
+    const datos = {
-      id: configuracionGlobal.id || 1,
       nombre_empresa: document.getElementById('cfg-nombre-empresa').value.trim(),
       salario_minimo: limpiarFormatoPesos(document.getElementById('cfg-salario-minimo').value),
       auxilio_transporte: limpiarFormatoPesos(document.getElementById('cfg-auxilio-transporte').value),
@@ -276,12 +281,21 @@ document.addEventListener('DOMContentLoaded', function () {
       valor_hora_extra_nocturna: limpiarFormatoPesos(document.getElementById('cfg-hora-extra-nocturna').value)
     };
 
-    cargarConfiguracionEnFormulario();
+    try {
-
+      await fetch(`${API_URL}/configuracion`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(datos)
+      });
+      await cargarConfiguracion();
       if (cfgMensaje) {
         cfgMensaje.textContent = 'Configuración guardada correctamente.';
         setTimeout(() => { cfgMensaje.textContent = ''; }, 3000);
       }
+    } catch (err) {
+      alert('Error al guardar configuración');
+      console.error(err);
+    }
   }
 
   if (formConfiguraciones) {
@@ -293,12 +307,12 @@ document.addEventListener('DOMContentLoaded', function () {
     });
 
     inputHorasSemanales.addEventListener('input', calcularCamposDependientes);
-    inputHoraOrdinaria.addEventListener('blur', function () {
+    inputHoraOrdinaria.addEventListener('blur', () => {
-      aplicarFormatoPesosSinDecimales(this);
+      aplicarFormatoPesosSinDecimales(inputHoraOrdinaria);
       calcularCamposDependientes();
     });
 
     formConfiguraciones.addEventListener('submit', guardarConfiguracion);
-    cargarConfiguracionEnFormulario();
+    cargarConfiguracion();
   }
 });

nginx.conf

@@ -0,0 +1,27 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    server {
+        listen 80;
+        server_name localhost;
+
+        location / {
+            root /usr/share/nginx/html;
+            index index.html;
+            try_files $uri $uri/ /index.html;
+        }
+
+        location /api/ {
+            proxy_pass http://localhost:3000/;
+            proxy_http_version 1.1;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        }
+    }
+}