Review pipeline

Author: selimyanat

.github/workflows/ci.yml

@@ -40,9 +40,17 @@ jobs:
       #- name: Lint API
       #  run: npm run lint
 
+      - name: Create .env file
+        run: |
+          echo "MACHINE_ID=1" > .env
+        working-directory: api  # Ensure it is created inside `api/`
+
       - name: Run Tests (API)
         run: yarn test
 
+      - name: Build API
+        run: yarn build
+
   # Webapp (Next.js) Build & Test
   webapp:
     name: Webapp Build & Test

api/src/shorten-url/shorten-url.id-generator.service.ts

@@ -28,6 +28,10 @@ export class ShortenUrlIdGeneratorService {
   private lastTimestamp: number;
 
   constructor(private readonly configService: ConfigService) {
+    // check if the machine id is not null
+    if (!this.configService.get<number>('MACHINE_ID'))
+      throw new Error('MACHINE_ID is not defined in the environment variables');
+
     this.machineId = Number(this.configService.get<number>('MACHINE_ID'));
     if (
       this.machineId < 0 ||