chore: migrate backend to monorepo apps and biome

package.json

@@ -7,17 +7,23 @@
   "license": "UNLICENSED",
   "scripts": {
     "build": "nest build",
-    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
-    "start": "nest start",
-    "start:dev": "nest start --watch",
-    "start:debug": "nest start --debug --watch",
-    "start:prod": "node dist/main",
-    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "format": "biome format --write .",
+    "start:auth": "nest start auth --watch",
+    "start:gateway": "nest start gateway --watch",
+    "start:bookings": "nest start bookings --watch",
+    "start:tasks": "nest start tasks --watch",
+    "start:notifications": "nest start notifications --watch",
+    "start": "nest start gateway",
+    "start:dev": "concurrently \"npm run start:auth\" \"npm run start:gateway\" \"npm run start:bookings\" \"npm run start:tasks\" \"npm run start:notifications\"",
+    "start:debug": "nest start gateway --debug --watch",
+    "start:prod": "node dist/apps/gateway/main",
+    "lint": "biome lint --write .",
+    "check": "biome check .",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json"
+    "test:e2e": "jest --config ./apps/gateway/test/jest-e2e.json"
   },
   "dependencies": {
     "@nestjs/common": "^11.0.1",
@@ -27,8 +33,7 @@
     "rxjs": "^7.8.1"
   },
   "devDependencies": {
-    "@eslint/eslintrc": "^3.2.0",
-    "@eslint/js": "^9.18.0",
+    "@biomejs/biome": "^2.4.5",
     "@nestjs/cli": "^11.0.0",
     "@nestjs/schematics": "^11.0.0",
     "@nestjs/testing": "^11.0.1",
@@ -36,20 +41,15 @@
     "@types/jest": "^30.0.0",
     "@types/node": "^24.0.0",
     "@types/supertest": "^7.0.0",
-    "eslint": "^9.18.0",
-    "eslint-config-prettier": "^10.0.1",
-    "eslint-plugin-prettier": "^5.2.2",
-    "globals": "^17.0.0",
+    "concurrently": "^9.2.1",
     "jest": "^30.0.0",
-    "prettier": "^3.4.2",
     "source-map-support": "^0.5.21",
     "supertest": "^7.0.0",
     "ts-jest": "^29.2.5",
     "ts-loader": "^9.5.2",
     "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",
-    "typescript": "^5.7.3",
-    "typescript-eslint": "^8.20.0"
+    "typescript": "^5.7.3"
   },
   "jest": {
     "moduleFileExtensions": [
@@ -57,7 +57,7 @@
       "json",
       "ts"
     ],
-    "rootDir": "src",
+    "rootDir": ".",
     "testRegex": ".*\\.spec\\.ts$",
     "transform": {
       "^.+\\.(t|j)s$": "ts-jest"
@@ -65,7 +65,10 @@
     "collectCoverageFrom": [
       "**/*.(t|j)s"
     ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
+    "coverageDirectory": "./coverage",
+    "testEnvironment": "node",
+    "roots": [
+      "<rootDir>/apps/"
+    ]
   }
 }