Adding some changes to dockerfile to use env vars for ports and redis config

docker/docker-compose.yml

@@ -3,6 +3,10 @@ services:
     build:
       context: ..
       dockerfile: ./docker/server/Dockerfile
+      args:
+        - PORT=3000
+        - REDIS_HOST=redis
+        - REDIS_PORT=6379
     restart: always
     environment:
       - PORT=3000

docker/server/Dockerfile

@@ -42,6 +42,15 @@ RUN npm run build
 
 FROM base as app
 
+ARG PORT=3000
+ENV PORT=$PORT
+
+ARG REDIS_HOST=localhost
+ENV REDIS_HOST=$REDIS_HOST
+
+ARG REDIS_PORT=6379
+ENV REDIS_PORT=$REDIS_PORT
+
 COPY --chown=node:node --from=builder /app/dist ./dist
 
 ENTRYPOINT ["node", "./dist/main.js"]

src/main.ts

@@ -6,10 +6,10 @@ import { CustomResponseTransformInterceptor } from './common/customResponse'
 async function bootstrap() {
 	const app = await NestFactory.create(AppModule, { abortOnError: false })
 	const config = app.get(ConfigService)
-	const port = config.get('PORT')
+	const port = config.get('PORT', 3000)
 	app.enableShutdownHooks()
 	app.useGlobalInterceptors(new CustomResponseTransformInterceptor())
-	await app.listen(port)
+	await app.listen(port, () => console.log(`Listening on port ${port}`))
 }
 
 bootstrap()