use API_PORT instead of EMS_PORT for NestJS backend

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:lts-alpine AS base
+FROM node:20 AS base
 
 FROM base AS builder
 
@@ -6,12 +6,12 @@ WORKDIR /app
 
 COPY package*.json ./
 
-RUN npm ci
+RUN npm install
 
 COPY . .
 
 RUN npm run build
 
-EXPOSE $EMS_PORT
+EXPOSE $API_PORT
 
 CMD ["node", "dist/main"]

server/src/main.ts

@@ -18,6 +18,6 @@ async function bootstrap() {
   const documentFactory = () => SwaggerModule.createDocument(app, config)
   SwaggerModule.setup('docs', app, documentFactory)
 
-  await app.listen(process.env.EMS_PORT ?? 3000);
+  await app.listen(process.env.API_PORT ?? 3000);
 }
 bootstrap();