name: netbox

services:

  # __ etcd (DCS for Patroni) __________________________________
  etcd:
    image: quay.io/coreos/etcd:${ETCD_VERSION}
    restart: unless-stopped
    network_mode: host
    command: >
      etcd
      --data-dir /etcd-data
      --listen-client-urls http://0.0.0.0:2379
      --advertise-client-urls http://127.0.0.1:2379
      --listen-peer-urls http://0.0.0.0:2380
      --initial-advertise-peer-urls http://127.0.0.1:2380
      --initial-cluster default=http://127.0.0.1:2380
      --initial-cluster-token netbox-etcd
      --initial-cluster-state new
    volumes:
      - etcd_data:/etcd-data

  # __ Patroni node 1 (leader candidate, existing data) ________
  patroni1:
    image: git.luethi.co/sven/netbox-stack/patroni-postgres:${POSTGRES_VERSION}
    build:
      context: .
      dockerfile: patroni.Containerfile
      network: host
      args:
        POSTGRES_VERSION: ${POSTGRES_VERSION}
    restart: unless-stopped
    network_mode: host
    depends_on:
      - etcd
    environment:
      PATRONI_NAME: postgresql0
      PATRONI_POSTGRESQL_LISTEN: 0.0.0.0:5432
      PATRONI_POSTGRESQL_CONNECT_ADDRESS: localhost:5432
      PATRONI_POSTGRESQL_DATA_DIR: /var/lib/postgresql/data
      PATRONI_RESTAPI_LISTEN: 0.0.0.0:8008
      PATRONI_RESTAPI_CONNECT_ADDRESS: localhost:8008
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "curl -sf http://localhost:8008/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 30s

  # __ Patroni node 2 (replica) ________________________________
  patroni2:
    image: git.luethi.co/sven/netbox-stack/patroni-postgres:${POSTGRES_VERSION}
    restart: unless-stopped
    network_mode: host
    depends_on:
      patroni1:
        condition: service_healthy
    environment:
      PATRONI_NAME: postgresql1
      PATRONI_POSTGRESQL_LISTEN: 0.0.0.0:5433
      PATRONI_POSTGRESQL_CONNECT_ADDRESS: localhost:5433
      PATRONI_POSTGRESQL_DATA_DIR: /var/lib/postgresql/data
      PATRONI_RESTAPI_LISTEN: 0.0.0.0:8009
      PATRONI_RESTAPI_CONNECT_ADDRESS: localhost:8009
    volumes:
      - postgres_data2:/var/lib/postgresql/data

  # __ Patroni node 3 (replica) ________________________________
  patroni3:
    image: git.luethi.co/sven/netbox-stack/patroni-postgres:${POSTGRES_VERSION}
    restart: unless-stopped
    network_mode: host
    depends_on:
      patroni1:
        condition: service_healthy
    environment:
      PATRONI_NAME: postgresql2
      PATRONI_POSTGRESQL_LISTEN: 0.0.0.0:5434
      PATRONI_POSTGRESQL_CONNECT_ADDRESS: localhost:5434
      PATRONI_POSTGRESQL_DATA_DIR: /var/lib/postgresql/data
      PATRONI_RESTAPI_LISTEN: 0.0.0.0:8010
      PATRONI_RESTAPI_CONNECT_ADDRESS: localhost:8010
    volumes:
      - postgres_data3:/var/lib/postgresql/data

  # __ HAProxy (routes writes to leader) ________________________
  haproxy:
    image: git.luethi.co/sven/netbox-stack/haproxy:alpine
    restart: unless-stopped
    network_mode: host
    depends_on:
      - patroni1
    volumes:
      - ./haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro

  # __ Redis _____________________________________________________
  redis:
    image: git.luethi.co/sven/netbox-stack/redis:7-alpine
    restart: unless-stopped
    network_mode: host
    command: redis-server --save 60 1
    volumes:
      - redis_data:/data:U

  # __ NetBox web (Gunicorn) _____________________________________
  netbox:
    image: git.luethi.co/sven/netbox-stack/netbox:${NETBOX_VERSION}
    build:
      context: .
      dockerfile: netbox.Containerfile
      network: host
      args:
        NETBOX_VERSION: ${NETBOX_VERSION}
        PYTHON_VERSION: ${PYTHON_VERSION}
        HTTP_PROXY: ${HTTP_PROXY}
        HTTPS_PROXY: ${HTTPS_PROXY}
        NO_PROXY: ${NO_PROXY}
    restart: unless-stopped
    network_mode: host
    depends_on:
      - haproxy
      - redis
    volumes:
      - ./configuration.py:/opt/netbox/netbox/netbox/configuration.py:ro
      - netbox_custom_scripts:/opt/netbox/netbox/scripts:ro
      - netbox_media:/opt/netbox/netbox/media:U
      - netbox_static:/opt/netbox/netbox/static:U
    environment:
      GUNICORN_BIND:                "localhost:8085"
      GUNICORN_WORKERS:             4
      GUNICORN_THREADS:             3
      GUNICORN_TIMEOUT:             120
      GUNICORN_MAX_REQUESTS:        5000
      GUNICORN_MAX_REQUESTS_JITTER: 500
    command: gunicorn


  # __ NetBox RQ worker __________________________________________
  netbox-worker:
    image: git.luethi.co/sven/netbox-stack/netbox:${NETBOX_VERSION}
    restart: unless-stopped
    network_mode: host
    depends_on:
      - netbox
    volumes:
      - ./configuration.py:/opt/netbox/netbox/netbox/configuration.py:ro
      - netbox_custom_scripts:/opt/netbox/netbox/scripts:ro
      - netbox_media:/opt/netbox/netbox/media:U
      - netbox_static:/opt/netbox/netbox/static:U
    command: worker

  # __ NetBox DNS transfer endpoint ______________________________
  netbox-dns-transfer-endpoint:
    image: git.luethi.co/sven/netbox-stack/netbox:${NETBOX_VERSION}
    restart: unless-stopped
    network_mode: host
    depends_on:
      - netbox
    volumes:
      - ./configuration.py:/opt/netbox/netbox/netbox/configuration.py:ro
    command: dns-transfer-endpoint

  # __ NGINX reverse proxy _______________________________________
  nginx:
    image: git.luethi.co/sven/netbox-stack/nginx:alpine
    restart: unless-stopped
    network_mode: host
    depends_on:
      - netbox
    volumes:
      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
      - netbox_static:/static:ro

  # __ BIND9 _____________________________________________________
  bind9:
    image: git.luethi.co/sven/netbox-stack/bind9:9.20
    restart: unless-stopped
    depends_on:
      - netbox-dns-transfer-endpoint
    network_mode: host
    volumes:
      - ./named.conf:/etc/bind/named.conf:ro
      - ./rndc.key:/etc/bind/rndc.key:ro

volumes:
  postgres_data:
  postgres_data2:
  postgres_data3:
  etcd_data:
  redis_data:
  netbox_media:
  netbox_static:
  netbox_custom_scripts: