diff --git a/compose.yml b/compose.yml
new file mode 100644
index 0000000..7d7f05d
--- /dev/null
+++ b/compose.yml
@@ -0,0 +1,24 @@
+services:
+  postgres:
+    image: postgres
+    ports:
+      - 5432:5432
+    volumes:
+      - pg_data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_PASSWORD=test
+
+  pgadmin:
+    image: dpage/pgadmin4
+    ports:
+      - 8080:80
+    environment:
+      - PGADMIN_DEFAULT_EMAIL=postgres@postgres.com
+      - PGADMIN_DEFAULT_PASSWORD=postgres
+      - PGADMIN_DISABLE_POSTFIX=true
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+
+volumes:
+  pg_data:
+  pgadmin_data:
diff --git a/package-lock.json b/package-lock.json
index b805186..39d6f5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,10 +10,15 @@
       "license": "UNLICENSED",
       "dependencies": {
         "@nestjs/common": "^11.0.1",
+        "@nestjs/config": "^4.0.2",
         "@nestjs/core": "^11.0.1",
         "@nestjs/platform-express": "^11.0.1",
+        "@nestjs/swagger": "^11.2.0",
+        "@nestjs/typeorm": "^11.0.0",
+        "pg": "^8.16.0",
         "reflect-metadata": "^0.2.2",
-        "rxjs": "^7.8.1"
+        "rxjs": "^7.8.1",
+        "typeorm": "^0.3.24"
       },
       "devDependencies": {
         "@eslint/eslintrc": "^3.2.0",
@@ -732,7 +737,7 @@
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
       "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@jridgewell/trace-mapping": "0.3.9"
@@ -745,7 +750,7 @@
       "version": "0.3.9",
       "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
       "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@jridgewell/resolve-uri": "^3.0.3",
@@ -1294,7 +1299,6 @@
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
       "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==",
-      "dev": true,
       "license": "ISC",
       "dependencies": {
         "string-width": "^5.1.2",
@@ -1312,7 +1316,6 @@
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.1.tgz",
       "integrity": "sha512-bN798gFfQX+viw3R7yrGWRqnrN2oRkEkUjjl4JNn4E8GxxbjtG3FbrEIIY3l8/hrwUwIeCZvi4QuOTP4MErVug==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=12"
@@ -1325,14 +1328,12 @@
       "version": "9.2.2",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
       "integrity": "sha512-L18DaJsXSUk2+42pv8mLs5jJT2hqFkFE4j21wOmgbUqsZ2hL72NsUU785g9RXgo3s0ZNgVl42TiHp3ZtOv/Vyg==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/@isaacs/cliui/node_modules/string-width": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
       "integrity": "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "eastasianwidth": "^0.2.0",
@@ -1350,7 +1351,6 @@
       "version": "8.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
       "integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ansi-styles": "^6.1.0",
@@ -1860,7 +1860,7 @@
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
       "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.0.0"
@@ -1891,7 +1891,7 @@
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.0.tgz",
       "integrity": "sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@jridgewell/trace-mapping": {
@@ -1914,6 +1914,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/@microsoft/tsdoc": {
+      "version": "0.15.1",
+      "resolved": "https://registry.npmjs.org/@microsoft/tsdoc/-/tsdoc-0.15.1.tgz",
+      "integrity": "sha512-4aErSrCR/On/e5G2hDP0wjooqDdauzEbIq8hIkIe5pXV0rtWJZvdCEKL0ykZxex+IxIwBp0eGeV48hQN07dXtw==",
+      "license": "MIT"
+    },
     "node_modules/@napi-rs/nice": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@napi-rs/nice/-/nice-1.0.1.tgz",
@@ -2465,6 +2471,33 @@
         }
       }
     },
+    "node_modules/@nestjs/config": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/@nestjs/config/-/config-4.0.2.tgz",
+      "integrity": "sha512-McMW6EXtpc8+CwTUwFdg6h7dYcBUpH5iUILCclAsa+MbCEvC9ZKu4dCHRlJqALuhjLw97pbQu62l4+wRwGeZqA==",
+      "license": "MIT",
+      "dependencies": {
+        "dotenv": "16.4.7",
+        "dotenv-expand": "12.0.1",
+        "lodash": "4.17.21"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0 || ^11.0.0",
+        "rxjs": "^7.1.0"
+      }
+    },
+    "node_modules/@nestjs/config/node_modules/dotenv": {
+      "version": "16.4.7",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
+      "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/@nestjs/core": {
       "version": "11.1.2",
       "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-11.1.2.tgz",
@@ -2506,6 +2539,26 @@
         }
       }
     },
+    "node_modules/@nestjs/mapped-types": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@nestjs/mapped-types/-/mapped-types-2.1.0.tgz",
+      "integrity": "sha512-W+n+rM69XsFdwORF11UqJahn4J3xi4g/ZEOlJNL6KoW5ygWSmBB2p0S2BZ4FQeS/NDH72e6xIcu35SfJnE8bXw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0 || ^11.0.0",
+        "class-transformer": "^0.4.0 || ^0.5.0",
+        "class-validator": "^0.13.0 || ^0.14.0",
+        "reflect-metadata": "^0.1.12 || ^0.2.0"
+      },
+      "peerDependenciesMeta": {
+        "class-transformer": {
+          "optional": true
+        },
+        "class-validator": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@nestjs/platform-express": {
       "version": "11.1.2",
       "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-11.1.2.tgz",
@@ -2625,6 +2678,39 @@
         "tslib": "^2.1.0"
       }
     },
+    "node_modules/@nestjs/swagger": {
+      "version": "11.2.0",
+      "resolved": "https://registry.npmjs.org/@nestjs/swagger/-/swagger-11.2.0.tgz",
+      "integrity": "sha512-5wolt8GmpNcrQv34tIPUtPoV1EeFbCetm40Ij3+M0FNNnf2RJ3FyWfuQvI8SBlcJyfaounYVTKzKHreFXsUyOg==",
+      "license": "MIT",
+      "dependencies": {
+        "@microsoft/tsdoc": "0.15.1",
+        "@nestjs/mapped-types": "2.1.0",
+        "js-yaml": "4.1.0",
+        "lodash": "4.17.21",
+        "path-to-regexp": "8.2.0",
+        "swagger-ui-dist": "5.21.0"
+      },
+      "peerDependencies": {
+        "@fastify/static": "^8.0.0",
+        "@nestjs/common": "^11.0.1",
+        "@nestjs/core": "^11.0.1",
+        "class-transformer": "*",
+        "class-validator": "*",
+        "reflect-metadata": "^0.1.12 || ^0.2.0"
+      },
+      "peerDependenciesMeta": {
+        "@fastify/static": {
+          "optional": true
+        },
+        "class-transformer": {
+          "optional": true
+        },
+        "class-validator": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@nestjs/testing": {
       "version": "11.1.2",
       "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-11.1.2.tgz",
@@ -2653,6 +2739,19 @@
         }
       }
     },
+    "node_modules/@nestjs/typeorm": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/@nestjs/typeorm/-/typeorm-11.0.0.tgz",
+      "integrity": "sha512-SOeUQl70Lb2OfhGkvnh4KXWlsd+zA08RuuQgT7kKbzivngxzSo1Oc7Usu5VxCxACQC9wc2l9esOHILSJeK7rJA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0 || ^11.0.0",
+        "@nestjs/core": "^10.0.0 || ^11.0.0",
+        "reflect-metadata": "^0.1.13 || ^0.2.0",
+        "rxjs": "^7.2.0",
+        "typeorm": "^0.3.0"
+      }
+    },
     "node_modules/@noble/hashes": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
@@ -2730,6 +2829,16 @@
         "@noble/hashes": "^1.1.5"
       }
     },
+    "node_modules/@pkgjs/parseargs": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
+      "integrity": "sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/@pkgr/core": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/@pkgr/core/-/core-0.2.4.tgz",
@@ -2743,6 +2852,13 @@
         "url": "https://opencollective.com/pkgr"
       }
     },
+    "node_modules/@scarf/scarf": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@scarf/scarf/-/scarf-1.4.0.tgz",
+      "integrity": "sha512-xxeapPiUXdZAE3che6f3xogoJPeZgig6omHEy1rIY5WVsB3H2BHNnZH+gHG6x91SCWyQCzWGsuL2Hh3ClO5/qQ==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0"
+    },
     "node_modules/@sec-ant/readable-stream": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@sec-ant/readable-stream/-/readable-stream-0.4.1.tgz",
@@ -2790,6 +2906,12 @@
         "@sinonjs/commons": "^3.0.0"
       }
     },
+    "node_modules/@sqltools/formatter": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/@sqltools/formatter/-/formatter-1.2.5.tgz",
+      "integrity": "sha512-Uy0+khmZqUrUGm5dmMqVlnvufZRSK0FbYzVgp0UMstm+F5+W2/jnEEQyc9vo1ZR/E5ZI/B1WjjoTqBqwJL6Krw==",
+      "license": "MIT"
+    },
     "node_modules/@swc/cli": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/@swc/cli/-/cli-0.6.0.tgz",
@@ -3128,28 +3250,28 @@
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
       "integrity": "sha512-DcRjDCujK/kCk/cUe8Xz8ZSpm8mS3mNNpta+jGCA6USEDfktlNvm1+IuZ9eTcDbNk41BHwpHHeW+N1lKCz4zOw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@tsconfig/node12": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz",
       "integrity": "sha512-cqefuRsh12pWyGsIoBKJA9luFu3mRxCA+ORZvA4ktLSzIuCUtWVxGIuXigEwO5/ywWFMZ2QEGKWvkZG1zDMTag==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@tsconfig/node14": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz",
       "integrity": "sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@tsconfig/node16": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz",
       "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/babel__core": {
@@ -3366,7 +3488,7 @@
       "version": "22.15.24",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.24.tgz",
       "integrity": "sha512-w9CZGm9RDjzTh/D+hFwlBJ3ziUaVw7oufKA3vOFSOZlzmW9AkZnfjPb+DLnrV6qtgL/LNmP0/2zBNCFHL3F0ng==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "undici-types": "~6.21.0"
@@ -4547,7 +4669,7 @@
       "version": "8.14.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.14.1.tgz",
       "integrity": "sha512-OvQ/2pUDKmgfCg++xsTX1wGxfTaszcHVcTctW4UJB4hibJx2HXxxO5UmVgyjMa+ZDsiaf5wWLXYpRWMmBI0QHg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "bin": {
         "acorn": "bin/acorn"
@@ -4570,7 +4692,7 @@
       "version": "8.3.4",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.4.tgz",
       "integrity": "sha512-ueEepnujpqee2o5aIYnvHU6C0A42MNdsIDeqy5BydrkuC5R1ZuUFnm27EeFJGoEHJQgn3uleRvmTXaJgfXbt4g==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "acorn": "^8.11.0"
@@ -4678,7 +4800,6 @@
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.1.0.tgz",
       "integrity": "sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=12"
@@ -4691,7 +4812,6 @@
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
       "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "color-convert": "^2.0.1"
@@ -4707,7 +4827,6 @@
       "version": "3.17.0",
       "resolved": "https://registry.npmjs.org/ansis/-/ansis-3.17.0.tgz",
       "integrity": "sha512-0qWUglt9JEqLFr3w1I1pbrChn1grhaiAR2ocX1PP/flRmxgtwTzPFFFnfIlD6aMOLQZgSuCRlidD70lvx8yhzg==",
-      "dev": true,
       "license": "ISC",
       "engines": {
         "node": ">=14"
@@ -4740,6 +4859,15 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/app-root-path": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/app-root-path/-/app-root-path-3.1.0.tgz",
+      "integrity": "sha512-biN3PwB2gUtjaYy/isrU3aNWI5w+fAfvHkSvCKeQGxhmYpwKFUxudR3Yya+KqVRHBmEDYh+/lTozYCFbmzX4nA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
     "node_modules/append-field": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
@@ -4771,14 +4899,13 @@
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       "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/argparse": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
       "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
-      "dev": true,
       "license": "Python-2.0"
     },
     "node_modules/array-timsort": {
@@ -4946,7 +5073,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
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-      "dev": true,
       "license": "MIT"
     },
     "node_modules/bare-events": {
@@ -4961,7 +5087,6 @@
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
       "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
-      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -5439,7 +5564,6 @@
       "version": "8.0.1",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
       "integrity": "sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==",
-      "dev": true,
       "license": "ISC",
       "dependencies": {
         "string-width": "^4.2.0",
@@ -5454,7 +5578,6 @@
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       "version": "21.1.1",
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
       "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
-      "dev": true,
       "license": "ISC",
       "engines": {
         "node": ">=12"
@@ -11856,7 +12373,7 @@
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
       "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=6"
diff --git a/package.json b/package.json
index 00fd7b6..75b60f4 100644
--- a/package.json
+++ b/package.json
@@ -21,10 +21,15 @@
   },
   "dependencies": {
     "@nestjs/common": "^11.0.1",
+    "@nestjs/config": "^4.0.2",
     "@nestjs/core": "^11.0.1",
     "@nestjs/platform-express": "^11.0.1",
+    "@nestjs/swagger": "^11.2.0",
+    "@nestjs/typeorm": "^11.0.0",
+    "pg": "^8.16.0",
     "reflect-metadata": "^0.2.2",
-    "rxjs": "^7.8.1"
+    "rxjs": "^7.8.1",
+    "typeorm": "^0.3.24"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
diff --git a/src/app.module.ts b/src/app.module.ts
index 8662803..594617e 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -1,9 +1,45 @@
 import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { PollsModule } from './polls/polls.module';
+import { Answer } from './polls/entities/answer.entity';
+import { Choice } from './polls/entities/choice.entity';
+import { InviteCode } from './polls/entities/inviteCode.entity';
+import { Poll } from './polls/entities/poll.entity';
+import { Question } from './polls/entities/question.entity';
+import { QuestionOption } from './polls/entities/questionOptions';
+import { User } from './polls/entities/user.entity';
+
+void ConfigModule.forRoot({
+  envFilePath: '.env',
+  isGlobal: true,
+});
+
+const configService = new ConfigService();
 
 @Module({
-  imports: [],
+  imports: [
+    TypeOrmModule.forRoot({
+      type: 'postgres',
+      host: configService.get('PG_HOST'),
+      password: configService.get('PG_PASSWORD'),
+      username: configService.get('PG_USER'),
+      database: configService.get('PG_DATABASE'),
+      synchronize: configService.get('DEV_MODE') == 'true',
+      entities: [
+        Answer,
+        Choice,
+        InviteCode,
+        Poll,
+        Question,
+        QuestionOption,
+        User,
+      ],
+    }),
+    PollsModule,
+  ],
   controllers: [AppController],
   providers: [AppService],
 })
diff --git a/src/main.ts b/src/main.ts
index f76bc8d..19f0bdc 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,8 +1,19 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
+
+  const config = new DocumentBuilder()
+    .setTitle('Vote au jugement majoritaire')
+    .setDescription('API description')
+    .setVersion('1.0')
+    .build();
+  const documentFactory = () => SwaggerModule.createDocument(app, config);
+  SwaggerModule.setup('api', app, documentFactory);
+
   await app.listen(process.env.PORT ?? 3000);
 }
-bootstrap();
+
+void bootstrap();
diff --git a/src/polls/entities/answer.entity.ts b/src/polls/entities/answer.entity.ts
new file mode 100644
index 0000000..bf58262
--- /dev/null
+++ b/src/polls/entities/answer.entity.ts
@@ -0,0 +1,20 @@
+import { Entity, PrimaryGeneratedColumn, ManyToOne, Unique } from 'typeorm';
+import { Question } from './question.entity';
+import { User } from './user.entity';
+import { QuestionOption } from './questionOptions';
+
+@Entity()
+@Unique(['question', 'choice', 'user'])
+export class Answer {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @ManyToOne(() => QuestionOption)
+  choice: QuestionOption;
+
+  @ManyToOne(() => Question, (question: Question) => question.answers)
+  question: Question;
+
+  @ManyToOne(() => User)
+  user: User;
+}
diff --git a/src/polls/entities/choice.entity.ts b/src/polls/entities/choice.entity.ts
new file mode 100644
index 0000000..5f72222
--- /dev/null
+++ b/src/polls/entities/choice.entity.ts
@@ -0,0 +1,14 @@
+import { Entity, Column, PrimaryGeneratedColumn, Unique } from 'typeorm';
+
+@Entity()
+@Unique(['value'])
+export class Choice {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  value: string;
+
+  @Column()
+  order: string;
+}
diff --git a/src/polls/entities/inviteCode.entity.ts b/src/polls/entities/inviteCode.entity.ts
new file mode 100644
index 0000000..2011536
--- /dev/null
+++ b/src/polls/entities/inviteCode.entity.ts
@@ -0,0 +1,29 @@
+import {
+  Entity,
+  Column,
+  PrimaryGeneratedColumn,
+  Unique,
+  Generated,
+  ManyToOne,
+} from 'typeorm';
+import { Poll } from './poll.entity';
+
+@Entity()
+@Unique(['value'])
+export class InviteCode {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  description: string;
+
+  @Column({ nullable: true, default: null })
+  max_usages: number;
+
+  @Column()
+  @Generated('uuid')
+  value: string;
+
+  @ManyToOne(() => Poll, (poll) => poll.codes)
+  poll: Poll;
+}
diff --git a/src/polls/entities/poll.entity.ts b/src/polls/entities/poll.entity.ts
new file mode 100644
index 0000000..8a05485
--- /dev/null
+++ b/src/polls/entities/poll.entity.ts
@@ -0,0 +1,36 @@
+import {
+  Entity,
+  Column,
+  PrimaryGeneratedColumn,
+  OneToMany,
+  Generated,
+  Unique,
+} from 'typeorm';
+import { Question } from './question.entity';
+import { InviteCode } from './inviteCode.entity';
+
+@Entity()
+@Unique(['editCode'])
+export class Poll {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  name: string;
+
+  @Column()
+  description: string;
+
+  @Column()
+  @Generated('uuid')
+  editCode: string;
+
+  @Column({ default: false })
+  published: boolean;
+
+  @OneToMany(() => InviteCode, (code) => code.poll, { cascade: true })
+  codes: InviteCode;
+
+  @OneToMany(() => Question, (question) => question.poll, { cascade: true })
+  questions: Question[];
+}
diff --git a/src/polls/entities/question.entity.ts b/src/polls/entities/question.entity.ts
new file mode 100644
index 0000000..8687a74
--- /dev/null
+++ b/src/polls/entities/question.entity.ts
@@ -0,0 +1,34 @@
+import {
+  Entity,
+  Column,
+  PrimaryGeneratedColumn,
+  ManyToOne,
+  OneToMany,
+} from 'typeorm';
+import { Poll } from './poll.entity';
+import { Answer } from './answer.entity';
+import { QuestionOption } from './questionOptions';
+
+@Entity()
+export class Question {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  value: string;
+
+  @Column()
+  mandatory: boolean;
+
+  @Column()
+  order: number;
+
+  @ManyToOne(() => Poll, (poll: Poll) => poll.questions)
+  poll: Poll;
+
+  @OneToMany(() => QuestionOption, (questionOption) => questionOption.question)
+  options: QuestionOption[];
+
+  @OneToMany(() => Answer, (answer) => answer.question)
+  answers: Answer[];
+}
diff --git a/src/polls/entities/questionOptions.ts b/src/polls/entities/questionOptions.ts
new file mode 100644
index 0000000..9c265ee
--- /dev/null
+++ b/src/polls/entities/questionOptions.ts
@@ -0,0 +1,16 @@
+import { Entity, ManyToOne, PrimaryGeneratedColumn, Unique } from 'typeorm';
+import { Choice } from './choice.entity';
+import { Question } from './question.entity';
+
+@Entity()
+@Unique(['question', 'choice'])
+export class QuestionOption {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(() => Choice)
+  choice: Choice;
+
+  @ManyToOne(() => Question, (question) => question.options)
+  question: Question;
+}
diff --git a/src/polls/entities/user.entity.ts b/src/polls/entities/user.entity.ts
new file mode 100644
index 0000000..26d09f6
--- /dev/null
+++ b/src/polls/entities/user.entity.ts
@@ -0,0 +1,10 @@
+import { Entity, Column, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity()
+export class User {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  username: string;
+}
diff --git a/src/polls/polls.module.ts b/src/polls/polls.module.ts
new file mode 100644
index 0000000..f63ebff
--- /dev/null
+++ b/src/polls/polls.module.ts
@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Poll } from './entities/poll.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Poll])],
+})
+export class PollsModule {}