build: correctly initializing default environment

build/Dockerfile

@@ -30,6 +30,7 @@ COPY package*.json ./
 RUN npm ci --no-progress --only=production
 
 COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/.env ./
 
 # (optional) The sentry DSN in order to send the error messages to sentry
 ENV SENTRY_DSN=""

src/app.controller.spec.ts

@@ -21,7 +21,7 @@ describe('AppController', () => {
       get: jest.fn().mockReturnValue(of({ data: undefined })),
     };
     const mockConfigService = {
-      get: (key) => {
+      getOrThrow: (key) => {
         switch (key) {
           case 'DATABASE_URL':
             return dbUrl;

src/app.controller.ts

@@ -16,11 +16,11 @@ import { QueryBody } from './query-body.dto';
 
 @Controller('report')
 export class AppController {
-  private dbUrl = this.configService.get('DATABASE_URL');
-  private queryUrl = this.configService.get('QUERY_URL');
-  private schemaDocId = this.configService.get('SCHEMA_CONFIG_ID');
-  private couchAdmin = this.configService.get('DATABASE_ADMIN');
-  private couchPassword = this.configService.get('DATABASE_PASSWORD');
+  private dbUrl = this.configService.getOrThrow('DATABASE_URL');
+  private queryUrl = this.configService.getOrThrow('QUERY_URL');
+  private schemaDocId = this.configService.getOrThrow('SCHEMA_CONFIG_ID');
+  private couchAdmin = this.configService.getOrThrow('DATABASE_ADMIN');
+  private couchPassword = this.configService.getOrThrow('DATABASE_PASSWORD');
   constructor(
     private http: HttpService,
     private configService: ConfigService,