docker-compose.prod.yml

version: "3.9"
services:
  frontend:
    image: stran-frontend
    container_name: frontend
    env_file:
      - ./.env.docker
    build:
      context: ./client
      # check the args
      args:
        - NODE_ENV=production
      target: client
    ports:
      - "$CLIENT_PORT:$CLIENT_PORT"
    depends_on:
      - backend
    # deploy:
    #   resources:
    #     limits:
    #       cpus: "0.3"
    #       memory: 50M

  backend:
    image: stran-backend
    container_name: backend
    env_file:
      - ./.env.docker
    # perform restart: always (not sure why this field was not suggested in intellisense)
    # do healthcheck too in prod mode.. It is like a heartbeat signal sending every specified time interval
    build:
      context: ./server
      args:
        - NODE_ENV=production
      target: server
    depends_on:
      - redis-server
      - blockchain
    ports:
      - "$SERVER_PORT:$SERVER_PORT"
    # deploy:
    #   resources:
    #     limits:
    #       cpus: "0.3"
    #       memory: 50M

  redis-server:
    container_name: redis-server
    image: redis:4.0.6-alpine
    ports:
      - "$REDIS_PORT:$REDIS_PORT"

  blockchain:
    image: stran-blockchain
    container_name: blockchain
    env_file:
      - ./.env.docker
    build:
      context: ./blockchain
      args:
        - NODE_ENV=production
      target: blockchain
    ports:
      - "$BLOCKCHAIN_PORT:$BLOCKCHAIN_PORT"
    # deploy:
    #   resources:
    #     limits:
    #       cpus: "0.3"
    #       memory: 50M