Optimize Dockerfile and docker-compose.yml for multi-stage build and …

…volume management

Dockerfile

@@ -1,15 +1,15 @@
-FROM node:22-slim
-
+# Build stage
+FROM node:22-slim AS builder
 WORKDIR /usr/src/app
-
-ARG PORT
-
 COPY package*.json ./
-
 RUN npm install
-
 COPY . .
 
-EXPOSE ${PORT}
-
+# Runtime stage
+FROM node:22-slim as runner
+WORKDIR /usr/src/app
+COPY --from=builder /usr/src/app/node_modules ./node_modules
+COPY . .
+ARG APP_PORT
+EXPOSE ${APP_PORT}
 CMD ["npm", "run", "start:prod"]

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     command: npm run start:dev
     volumes:
       - ./:/usr/src/app
-      - node_modules:/usr/src/app/node_modules
+      - /usr/src/app/node_modules
     depends_on:
       mysql:
         condition: service_healthy
@@ -46,5 +46,3 @@ services:
 volumes:
   mysql:
     driver: local
-  node_modules:
-    driver: local