Node.js | Dockerfile + docker-compose.yml

docker-compose.yml

version: '3'

services:
  node-api:
    build: .
    image: node-api
    restart: always
    depends_on:
      - mongodb
    ports:
      - 3000:3000
    environment:
      MONGODB_URI: mongodb://mongodb:27017/node-api
    networks:
      - app-network

  mongodb:
    image: mongo
    ports:
      - 27017:27017
    volumes:
      - mongodb:/data/db
    restart: always
    networks:
      - app-network

volumes:
  mongodb:

networks:
  app-network:
    driver: bridge

Dockerfile

FROM node:16-alpine as builder

WORKDIR /home/node/app
COPY package*.json ./
RUN npm install
COPY . .

ENV PORT=3000
ENV NODE_ENV=production
ENV SECRET=randomHashSecret

RUN npm ci --production

EXPOSE 3000

CMD [ "npm", "start" ]