Docker compose for Go app with Redis and MongoDB

docker-compose.yml

version: "3.9"
services:
  web:
    build:
      context: .
      target: image-dev
    restart: on-failure
    ports:
      - 9000:9000
    volumes:
      - ./:/app/go/
    networks:
      - mainnet
    depends_on:
      - redis_cache
      - mongo_db
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M
  redis_cache:
    image: redis:6.2.6
    hostname: redis_cache
    restart: "no"
    ports:
      - 6379:6379
    networks:
      - mainnet
  mongo_db:
    image: mongo:4.4-rc-focal
    restart: "no"
    volumes:
      - mongodata:/data/db/
      - mongologs:/var/log/mongodb/
    ports:
      - 27017:27017
    networks:
      - mainnet
    environment:
      - MONGO_INITDB_ROOT_USERNAME=root
      - MONGO_INITDB_ROOT_PASSWORD=password
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M
volumes:
  mongodata: null
  mongologs: null
networks:
  mainnet: null