build: add Prisma 7, PostgreSQL driver and @nestjs/config

Generate the Prisma client on postinstall. Jest now transpiles the ESM-only @nestjs/config and maps the .js imports of the generated Prisma client, in both the unit and e2e configurations.

package.json

@@ -6,6 +6,7 @@
   "private": true,
   "license": "UNLICENSED",
   "scripts": {
+    "postinstall": "prisma generate --config prisma7.config.ts",
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "nest start",
@@ -22,21 +23,26 @@
   "dependencies": {
     "@nestjs/axios": "^4.0.1",
     "@nestjs/common": "^11.0.1",
+    "@nestjs/config": "^12.0.0",
     "@nestjs/core": "^11.0.1",
     "@nestjs/platform-express": "^11.0.1",
-    "axios": "^1.17.0",
+    "@prisma/adapter-pg": "^7.10.0",
+    "@prisma/client": "^7.10.0",
+    "axios": "1.20.0",
+    "pg": "^8.23.0",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
     "@eslint/js": "^9.18.0",
-    "@nestjs/cli": "^11.0.0",
+    "@nestjs/cli": "^12.0.11",
     "@nestjs/schematics": "^11.0.0",
     "@nestjs/testing": "^11.0.1",
     "@types/express": "^5.0.0",
     "@types/jest": "^30.0.0",
     "@types/node": "^24.0.0",
+    "@types/pg": "^8.23.1",
     "@types/supertest": "^7.0.0",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",
@@ -44,6 +50,7 @@
     "globals": "^17.0.0",
     "jest": "^30.0.0",
     "prettier": "^3.4.2",
+    "prisma": "^7.10.0",
     "source-map-support": "^0.5.21",
     "supertest": "^7.0.0",
     "ts-jest": "^29.2.5",
@@ -62,12 +69,33 @@
     "rootDir": "src",
     "testRegex": ".*\\.spec\\.ts$",
     "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
+      "^.+.ts$": "ts-jest",
+      "^.+.js$": [
+        "ts-jest",
+        {
+          "tsconfig": {
+            "allowJs": true,
+            "module": "commonjs",
+            "moduleResolution": "node"
+          }
+        }
+      ]
     },
     "collectCoverageFrom": [
       "**/*.(t|j)s"
     ],
     "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "transformIgnorePatterns": [
+      "/node_modules/(?!@nestjs/config/)"
+    ],
+    "moduleNameMapper": {
+      "^(.{1,2}/.*).js$": "$1"
+    }
+  },
+  "allowScripts": {
+    "@parcel/watcher@2.6.0": true,
+    "@prisma/engines@7.10.1": true,
+    "prisma@7.10.1": true
   }
 }

test/jest-e2e.json

@@ -4,6 +4,20 @@
   "testEnvironment": "node",
   "testRegex": ".e2e-spec.ts$",
   "transform": {
-    "^.+\\.(t|j)s$": "ts-jest"
+    "^.+.ts$": "ts-jest",
+    "^.+.js$": [
+      "ts-jest",
+      {
+        "tsconfig": {
+          "allowJs": true,
+          "module": "commonjs",
+          "moduleResolution": "node"
+        }
+      }
+    ]
+  },
+  "transformIgnorePatterns": ["/node_modules/(?!@nestjs/config/)"],
+  "moduleNameMapper": {
+    "^(.{1,2}/.*).js$": "$1"
   }
 }