Builds Docker image of backend component with multi-stage Dockerfile

Updates package.json `npm start` command
Delete unnecessary `npm run start` commands

Signed-off-by: Shakar <[email protected]>

backend/Dockerfile

@@ -1,18 +1,28 @@
+FROM node:16-bullseye-slim AS build
+
+WORKDIR /app
+COPY package*.json ./
+
+RUN npm ci --only-production --ignore-scripts
+
+COPY . .
+
+RUN npm run build
+
+
+
 FROM node:16-bullseye-slim
 
 WORKDIR /app
-
-COPY package.json package-lock.json ./
-
-# RUN npm ci --only-production --ignore-scripts
-# "prepare": "cd .. && npm install"
+COPY package*.json ./
 
 RUN npm ci --only-production
 
-COPY . .
+COPY --from=build /app .
 
 HEALTHCHECK --interval=10s --timeout=3s --start-period=10s \  
   CMD node healthcheck.js
 
+EXPOSE 4000
 
 CMD ["npm", "run", "start"]

backend/package.json

@@ -48,7 +48,7 @@
   "version": "1.0.0",
   "main": "src/index.js",
   "scripts": {
-    "start": "npm run build && node build/index.js",
+    "start": "node build/index.js",
     "dev": "nodemon",
     "swagger-autogen": "node ./swagger/index.ts",
     "build": "rimraf ./build && tsc && cp -R ./src/templates ./build",