docker-compose.yml

# PRODUCTION SETUP
# CONNECTOR is deployed using the latest container image in
# docker hub (https://cloud.docker.com/u/encresearch/repository/docker/encresearch/mqtt-connector).
# If a new :latest image is pushed, watchtower will automatically shutdown the container currently
# running, update it and re-deploy it.

version: '3.1'

volumes:
    grafana_data: {}
    influx_data: {}
    
services:
  # DATA VISUALIZATION SERVICE
  grafana:
    container_name: grafana
    image: grafana/grafana
    expose:
        - "3000"
    volumes:
      # TODO Makes sure data is stored in host only if 
      # TODO postgres is still not configured in the grafana.env file
      - grafana_data:/var/lib/grafana
    env_file:
      - ./grafana/grafana.conf
    restart: unless-stopped

  # NGINX REVERSE PROXY
  nginx:
    build:
      context: ./nginx/
      dockerfile: Dockerfile
    ports:
      - 80:80
    depends_on:
      - grafana
    restart: unless-stopped

  # DATA GATHERING API SERVICE
  connector:
    container_name: connector
    image: encresearch/connector:latest
    environment:
      - DB_HOST=influxdb
    restart: unless-stopped

  # DATA GATHERING API SERVICE
  calculator:
    container_name: calculator
    image: encresearch/calculator:latest
    environment:
      - DB_HOST=influxdb
    restart: unless-stopped

  # DATABASE SERVICE     
  influxdb:
    image: influxdb
    container_name: influxdb
    ports:
      - "8083:8083"
      - "8086:8086"
      - "8090:8090"
    volumes:
      # Data persistency
      - influx_data:/var/lib/influxdb
    restart: unless-stopped

  # AUTOMATIC CONTAINER UPDATING SERVICE
  watchtower: # checks for changes in any of the installed images (on the latest tag)
    image: v2tec/watchtower
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock # mounts docker socket to interact with Docker's API
    command: --interval 300 # Checks for changes every 5 minutes
    restart: unless-stopped