version: "2"

# ---------------------------------------------------------------------------
# NETWORKS
# ---------------------------------------------------------------------------

networks:
  default:
    driver: bridge
    ipam:
      config:
        - subnet: 172.18.0.0/16
          gateway: 172.18.0.1

# ---------------------------------------------------------------------------
# SERVICES
# ---------------------------------------------------------------------------

services:

  # ---------------------------------------------------------------------------
  # Hack for Portainer
  # ---------------------------------------------------------------------------
  
  configuration-helper:
    image: bitnami/git:latest
    working_dir: /temp
    command: >
      bash -c "
        git clone https://github.com/RAKWireless/portainer-templates &&
        cp -R ./portainer-templates/Stack/ChirpStack4/configuration/* /temp/configuration/
      "
    volumes:
      - configuration-chirpstack:/temp/configuration/chirpstack
      - configuration-chirpstack-gateway-bridge:/temp/configuration/chirpstack-gateway-bridge
      - configuration-mosquitto:/temp/configuration/mosquitto
      - configuration-postgresql-initdb:/temp/configuration/postgresql/initdb

  # ---------------------------------------------------------------------------
  # Main application
  # ---------------------------------------------------------------------------

  chirpstack:
    container_name: chirpstack
    image: chirpstack/chirpstack:4
    command: -c /etc/chirpstack
    restart: unless-stopped
    volumes:
      - configuration-chirpstack:/etc/chirpstack
      - chirpstack-certificates:/etc/chirpstack/certs
    depends_on:
      - postgres
      - mosquitto
      - redis
    environment:
      - MQTT_BROKER_HOST=mosquitto
      - REDIS_HOST=redis
      - POSTGRESQL_HOST=postgres
      - API_SECRET=${API_SECRET:-you_must_change_this} # use the output of `openssl rand -base64 32`
      - ENABLED_REGION=${BAND:-eu868}
      - NET_ID=${NET_ID:-000000}
    networks:
      default:
        ipv4_address: 172.18.0.6
    ports:
      - 8080:8080

  chirpstack-rest-api:
    container_name: chirpstack-api
    image: chirpstack/chirpstack-rest-api:4
    restart: unless-stopped
    command: --server chirpstack:8080 --bind 0.0.0.0:8090 --insecure
    networks:
      default:
        ipv4_address: 172.18.0.9
    ports:
      - 8090:8090
    depends_on:
      - chirpstack

  postgres:
    container_name: chirpstack-postgres
    image: postgres:14-alpine
    restart: unless-stopped
    volumes:
      - configuration-postgresql-initdb:/docker-entrypoint-initdb.d
      - chirpstack-postgresql:/var/lib/postgresql/data
    environment:
      - POSTGRES_PASSWORD=root
    networks:
      default:
        ipv4_address: 172.18.0.2
    depends_on:
      configuration-helper:
        condition: service_completed_successfully

  redis:
    container_name: chirpstack-redis
    image: redis:7-alpine
    restart: unless-stopped
    volumes:
      - chirpstack-redis:/data
    networks:
      default:
        ipv4_address: 172.18.0.4

  mosquitto:
    container_name: chirpstack-mosquitto
    image: eclipse-mosquitto:2
    restart: unless-stopped
    networks:
      default:
        ipv4_address: 172.18.0.3
    ports:
      - 1883:1883
      - 8883:8883
    volumes: 
      - configuration-mosquitto:/mosquitto/config
      - chirpstack-certificates:/mosquitto/config/certs
    depends_on:
      configuration-helper:
        condition: service_completed_successfully

  # ---------------------------------------------------------------------------
  # Certificate generator
  # ---------------------------------------------------------------------------

  chirpstack-certificates:
    container_name: chirpstack-certificates
    build: 
      context: ./chirpstack-certificates
      dockerfile: Dockerfile-devel
    volumes:
      - chirpstack-certificates:/chirpstack-certificates/certs
    environment:
      - CHIRPSTACK_GATEWAY_BRIDGE_HOSTS=${CHIRPSTACK_GATEWAY_BRIDGE_HOSTS:-127.0.0.1,localhost}
      - MQTT_BROKER_HOSTS=${MQTT_BROKER_HOSTS:-127.0.0.1,localhost}
    command: make 

  # ---------------------------------------------------------------------------
  # Bridges
  # ---------------------------------------------------------------------------

  chirpstack-gateway-bridge-udp:
    container_name: chirpstack-bridge-udp-${BAND:-eu868}
    image: chirpstack/chirpstack-gateway-bridge:4
    restart: unless-stopped
    networks:
      default:
        ipv4_address: 172.18.0.8
    ports:
      - 1700:1700/udp
    volumes:
      - configuration-chirpstack-gateway-bridge:/etc/chirpstack-gateway-bridge
      - chirpstack-certificates:/etc/chirpstack-gateway-bridge/certs
    depends_on:
      - mosquitto
    environment:
      - INTEGRATION__MQTT__EVENT_TOPIC_TEMPLATE=${BAND:-eu868}/gateway/{{ .GatewayID }}/event/{{ .EventType }}
      - INTEGRATION__MQTT__STATE_TOPIC_TEMPLATE=${BAND:-eu868}/gateway/{{ .GatewayID }}/state/{{ .StateType }}
      - INTEGRATION__MQTT__COMMAND_TOPIC_TEMPLATE=${BAND:-eu868}/gateway/{{ .GatewayID }}/command/#

# ---------------------------------------------------------------------------
# PERSISTENT VOLUMES
# ---------------------------------------------------------------------------

volumes:
  chirpstack-postgresql:
  chirpstack-redis:
  chirpstack-certificates:
  configuration-chirpstack:
  configuration-chirpstack-gateway-bridge:
  configuration-mosquitto:
  configuration-postgresql-initdb: