Example docker compose with air - go live-reload

docker-compose.yml

version: "3.3"
services:
  mongodb:
    image : mongo
    container_name: mongo-my-app
    ports:
    - 27018:27017
    restart: always
    volumes:
    - mongo-vol:/data/db
    environment: 
      - MONGO_INITDB_ROOT_USERNAME=user
      - MONGO_INITDB_ROOT_PASSWORD=pass
  ## Postgres, redis, minio, etc ...

  
  my-app:
    image: cosmtrek/air
    # working_dir value has to be the same of mapped volume
    working_dir: /project
    ports:
      - 8000:8000
    volumes:
      - ./:/project/ 
    links: 
    - mongodb
    container_name: my-app
    environment: 
    - PORT=8000
    - MONGO_HOST=mongodb
    - MONGO_USER=user
    - MONGO_PASSWORD=pass
    - MONGO_PORT=27018
    - MONGO_DATABASE=test

volumes:
  mongo-vol: