perf: packages and Docker improvements

package.json

@@ -2,7 +2,7 @@
   "name": "node-with-typescript",
   "version": "1.0.0",
   "description": "Backend with NodeJS in TypeScript",
-  "main": "index.ts",
+  "main": "src/index.ts",
   "repository": "https://github.com/RiccardoSenica/node-with-typescript.git",
   "author": "riccardo.s@hey.com",
   "license": "MIT",
@@ -12,7 +12,7 @@
     "lint": "eslint --ext .ts . --fix",
     "typecheck": "tsc",
     "format": "prettier --config .prettierrc 'src/**/*.ts' --write",
-    "test": "jest --runInBand --detectOpenHandles",
+    "test": "jest --runInBand",
     "prepare": "husky install",
     "db:generate": "prisma generate",
     "db:migrate": "prisma migrate deploy",
@@ -30,7 +30,6 @@
     "@prisma/client": "5.1.1",
     "body-parser": "^1.20.2",
     "cors": "^2.8.5",
-    "crypto": "^1.0.1",
     "express": "^4.18.2",
     "helmet": "^7.0.0",
     "jsonschema": "^1.4.1",