diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
new file mode 100644
index 0000000..8ee7638
--- /dev/null
+++ b/.github/workflows/backend.yml
@@ -0,0 +1,29 @@
+name: Backend
+
+on: [push, pull_request]
+
+permissions: read-all
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "18"
+
+      - name: Install dependencies
+        run: yarn install
+        working-directory: backend
+
+      - name: Check formatting
+        run: yarn format:check
+        working-directory: backend
+
+      - name: Lint
+        run: yarn lint
+        working-directory: backend
diff --git a/backend/.eslintrc.js b/backend/.eslintrc.js
index 28c1f76..929c9be 100644
--- a/backend/.eslintrc.js
+++ b/backend/.eslintrc.js
@@ -1,63 +1,60 @@
-module.exports = {
-  root: true,
-
-  env: {
-    es6: true,
-    node: true,
-  },
-  plugins: ["import", "simple-import-sort", "unused-imports"],
-  extends: ["eslint:recommended"],
-  parserOptions: {
-    ecmaVersion: 2020,
-    sourceType: "module",
-  },
-  rules: {
-    "prettier/prettier": [
-      "error",
-      {
-        semi: false,
-        singleQuote: true,
-        printWidth: 120,
-      },
-    ],
-    "import/no-unused-modules": ["error", { unusedExports: true }],
-    "object-shorthand": ["error", "always"],
-    "unused-imports/no-unused-imports": "error",
-    "simple-import-sort/imports": "error",
-    "simple-import-sort/exports": "error",
-  },
-  overrides: [
-    {
-      files: ["*.ts"],
-      parser: "@typescript-eslint/parser",
-      plugins: ["@typescript-eslint/eslint-plugin"],
-      extends: [
-        "plugin:@typescript-eslint/recommended",
-        "plugin:import/typescript",
-      ],
-      settings: {
-        "import/parsers": {
-          "@typescript-eslint/parser": [".ts"],
-        },
-        "import/resolver": {
-          typescript: {
-            alwaysTryTypes: true,
-          },
-        },
-      },
-      rules: {
-        "@typescript-eslint/no-explicit-any": "off",
-        "@typescript-eslint/ban-ts-comment": "off",
-        "@typescript-eslint/ban-ts-ignore": "off",
-        "@typescript-eslint/explicit-module-boundary-types": "off",
-        "@typescript-eslint/explicit-function-return-type": "off",
-        "@typescript-eslint/no-restricted-imports": ["error"],
-      },
-    },
-    {
-      files: ["*"],
-      plugins: ["prettier"],
-      extends: ["plugin:prettier/recommended"],
-    },
-  ],
-};
+module.exports = {
+  root: true,
+
+  env: {
+    es6: true,
+    node: true,
+  },
+  plugins: ['import', 'simple-import-sort', 'unused-imports'],
+  extends: ['eslint:recommended'],
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+  },
+  rules: {
+    'prettier/prettier': [
+      'error',
+      {
+        semi: false,
+        singleQuote: true,
+        printWidth: 120,
+      },
+    ],
+    'import/no-unused-modules': ['error', { unusedExports: true }],
+    'object-shorthand': ['error', 'always'],
+    'unused-imports/no-unused-imports': 'error',
+    'simple-import-sort/imports': 'error',
+    'simple-import-sort/exports': 'error',
+  },
+  overrides: [
+    {
+      files: ['*.ts'],
+      parser: '@typescript-eslint/parser',
+      plugins: ['@typescript-eslint/eslint-plugin'],
+      extends: ['plugin:@typescript-eslint/recommended', 'plugin:import/typescript'],
+      settings: {
+        'import/parsers': {
+          '@typescript-eslint/parser': ['.ts'],
+        },
+        'import/resolver': {
+          typescript: {
+            alwaysTryTypes: true,
+          },
+        },
+      },
+      rules: {
+        '@typescript-eslint/no-explicit-any': 'off',
+        '@typescript-eslint/ban-ts-comment': 'off',
+        '@typescript-eslint/ban-ts-ignore': 'off',
+        '@typescript-eslint/explicit-module-boundary-types': 'off',
+        '@typescript-eslint/explicit-function-return-type': 'off',
+        '@typescript-eslint/no-restricted-imports': ['error'],
+      },
+    },
+    {
+      files: ['*'],
+      plugins: ['prettier'],
+      extends: ['plugin:prettier/recommended'],
+    },
+  ],
+}
diff --git a/backend/.prettierignore b/backend/.prettierignore
new file mode 100644
index 0000000..8ef4bf2
--- /dev/null
+++ b/backend/.prettierignore
@@ -0,0 +1,6 @@
+dist/**
+build/**
+node_modules/**
+types/**
+drizzle/**
+.eslintrc.js
diff --git a/backend/.prettierrc b/backend/.prettierrc
index a327b1e..31ba22d 100644
--- a/backend/.prettierrc
+++ b/backend/.prettierrc
@@ -1,5 +1,5 @@
-{
-  "semi": false,
-  "singleQuote": true,
-  "printWidth": 120
-}
+{
+  "semi": false,
+  "singleQuote": true,
+  "printWidth": 120
+}
diff --git a/backend/package.json b/backend/package.json
index d047369..3d4b57e 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,34 +1,36 @@
-{
-  "name": "backend",
-  "scripts": {
-    "start": "tsx src/index.ts",
-    "typecheck": "tsc --noEmit",
-    "drizzle:generate": "drizzle-kit generate",
-    "prepare": "yarn drizzle:generate",
-    "lint": "eslint . --max-warnings=0",
-    "fix": "eslint . --fix"
-  },
-  "dependencies": {
-    "dotenv": "^16.4.5",
-    "drizzle-orm": "^0.33.0",
-    "fastify": "^4.28.1",
-    "fastify-plugin": "^4.5.1",
-    "postgres": "^3.4.4"
-  },
-  "devDependencies": {
-    "@types/node": "^22.5.3",
-    "@typescript-eslint/eslint-plugin": "^7.9.0",
-    "@typescript-eslint/parser": "^8.4.0",
-    "drizzle-kit": "^0.24.2",
-    "eslint": "^8.0.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-import-resolver-typescript": "^3.6.1",
-    "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-simple-import-sort": "^12.1.0",
-    "eslint-plugin-unused-imports": "^3.2.0",
-    "prettier": "^3.2.5",
-    "tsx": "^4.19.0",
-    "typescript": "^5.5.4"
-  }
-}
+{
+  "name": "backend",
+  "scripts": {
+    "start": "tsx src/index.ts",
+    "typecheck": "tsc --noEmit",
+    "drizzle:generate": "drizzle-kit generate",
+    "prepare": "yarn drizzle:generate",
+    "format": "prettier --write .",
+    "format:check": "prettier --check .",
+    "lint": "eslint . --max-warnings=0",
+    "fix": "eslint . --fix"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "drizzle-orm": "^0.33.0",
+    "fastify": "^4.28.1",
+    "fastify-plugin": "^4.5.1",
+    "postgres": "^3.4.4"
+  },
+  "devDependencies": {
+    "@types/node": "^22.5.3",
+    "@typescript-eslint/eslint-plugin": "^7.9.0",
+    "@typescript-eslint/parser": "^8.4.0",
+    "drizzle-kit": "^0.24.2",
+    "eslint": "^8.0.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-import-resolver-typescript": "^3.6.1",
+    "eslint-plugin-import": "^2.29.1",
+    "eslint-plugin-prettier": "^5.1.3",
+    "eslint-plugin-simple-import-sort": "^12.1.0",
+    "eslint-plugin-unused-imports": "^3.2.0",
+    "prettier": "^3.2.5",
+    "tsx": "^4.19.0",
+    "typescript": "^5.5.4"
+  }
+}
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 8ae7f71..5f1468d 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -1,23 +1,23 @@
-{
-  "compilerOptions": {
-    "lib": ["ESNext"],
-    "module": "esnext",
-    "target": "esnext",
-    "moduleResolution": "bundler",
-    "moduleDetection": "force",
-    "allowImportingTsExtensions": true,
-    "noEmit": true,
-    "composite": true,
-    "strict": true,
-    "downlevelIteration": true,
-    "skipLibCheck": true,
-    "allowSyntheticDefaultImports": true,
-    "forceConsistentCasingInFileNames": true,
-    "allowJs": true,
-    "baseUrl": ".",
-    "paths": {
-      "@/*": ["./src/*"]
-    },
-    "types": []
-  }
-}
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "types": []
+  }
+}