karrot/compose.yml

version: "3.8"

services:
  web:
    image: "ghcr.io/karrot-dev/karrot-docker-images:0.1.3-frontend"
    configs:
      - source: nginx_config
        target: /etc/nginx/conf.d/default.conf
    depends_on:
      - app
    environment:
      - DOMAIN
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost/api/config/"]
      interval: 15s
      timeout: 3s
      retries: 2
      start_period: 45s
    networks:
      - internal
      - proxy
    volumes:
      - "app_data:/app/uploads"
    deploy:
      update_config:
        failure_action: rollback
        order: start-first
      labels:
        - "traefik.enable=true"
        - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
        - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
        - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"

  app:
    image: "ghcr.io/karrot-dev/karrot-docker-images:0.1.5-backend"
    networks:
      - internal
    depends_on:
      - db
      - redis
    configs:
      - source: geoip_conf
        target: /etc/GeoIP.conf
        mode: 0555
      - source: entrypoint
        target: /custom-entrypoint.sh
        mode: 0555
    entrypoint: /custom-entrypoint.sh
    secrets:
      - db_password
      - secret_key
      - maxmind_license_key
      - smtp_password
    volumes:
      - "shiv_data:/root/.shiv"
      - "geoip_data:/var/lib/GeoIP"
      - "app_data:/app/uploads"
    environment:
      - CSRF_TRUSTED_ORIGINS
      - DATABASE_CONN_MAX_AGE
      - DATABASE_HOST=db
      - DATABASE_NAME=karrot
      - DATABASE_PASSWORD_FILE=/run/secrets/db_password
      - DATABASE_PORT=5432
      - DATABASE_USER=karrot
      - EMAIL_BACKEND
      - EMAIL_FROM
      - EMAIL_REPLY_DOMAIN
      - FILE_UPLOAD_DIR=/app/uploads
      - FILE_UPLOAD_MAX_SIZE
      - FORUM_BANNER_TOPIC_ID
      - FORUM_DISCUSSIONS_FEED
      - LISTEN_HOST=0.0.0.0
      - LISTEN_SERVER=uvicorn
      - MAXMIND_ACCOUNT_ID
      - MODE=prod
      - POSTAL_API_KEY
      - POSTAL_API_URL
      - POSTAL_WEBHOOK_KEY
      - PROXY_DISCOURSE_URL
      - REDIS_DB=0
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - SECRET_KEY_FILE=/run/secrets/secret_key
      - SITE_LOGO
      - SITE_NAME
      - SITE_URL
      - SMTP_HOST
      - SMTP_PASSWORD_FILE=/run/secrets/smtp_password
      - SMTP_PORT
      - SMTP_USE_SSL
      - SMTP_USE_TLS
      - SMTP_USER
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/config/"]
      interval: 10s
      timeout: 3s
      retries: 3 
      start_period: 45s
    deploy:
      labels:
        - "coop-cloud.${STACK_NAME}.version=0.1.6+0.1.5"

  worker:
    image: "ghcr.io/karrot-dev/karrot-docker-images:0.1.5-backend"
    depends_on:
      # shiv + geoip data gets loaded on the first run of the app
      # so to ensure it's available in the worker too, we need to wait
      - app
    volumes:
      - "shiv_data:/root/.shiv"
      - "geoip_data:/var/lib/GeoIP"
    configs:
      - source: entrypoint
        target: /custom-entrypoint.sh
        mode: 0555
    entrypoint: /custom-entrypoint.sh
    networks:
      - internal
    secrets:
      - db_password
      - secret_key
      - smtp_password
    environment:
      - DATABASE_CONN_MAX_AGE
      - DATABASE_HOST=db
      - DATABASE_NAME=karrot
      - DATABASE_PASSWORD_FILE=/run/secrets/db_password
      - DATABASE_PORT=5432
      - DATABASE_USER=karrot
      - EMAIL_BACKEND
      - EMAIL_FROM
      - EMAIL_REPLY_DOMAIN
      - IS_WORKER=1
      - LISTEN_HOST=0.0.0.0
      - LISTEN_SERVER=uvicorn
      - MODE=prod
      - POSTAL_API_KEY
      - POSTAL_API_URL
      - POSTAL_WEBHOOK_KEY
      - REDIS_DB=0
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - SECRET_KEY_FILE=/run/secrets/secret_key
      - SITE_LOGO
      - SITE_NAME
      - SITE_URL
      - SMTP_HOST
      - SMTP_PASSWORD_FILE=/run/secrets/smtp_password
      - SMTP_PORT
      - SMTP_USE_SSL
      - SMTP_USE_TLS
      - SMTP_USER
  
  redis:
    image: "redis:6-alpine"
    command: ["redis-server", "--appendonly", "yes"]
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 30
    volumes:
      - "redis_data:/data"
    networks:
      - internal

  db:
    image: "postgres:14-alpine"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U karrot"]
      interval: 10s
      timeout: 3s
      retries: 30
    secrets:
      - db_password
    volumes:
      - "postgres_data:/var/lib/postgresql/data"
    networks:
      - internal
    environment:
      - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
      - POSTGRES_USER=karrot
      - POSTGRES_DB=karrot
 

configs:
  nginx_config:
    name: ${STACK_NAME}_nginx_config_${NGINX_CONFIG_VERSION}
    file: nginx.conf.tmpl
    template_driver: golang
  geoip_conf:
    name: ${STACK_NAME}_geoip_conf_${GEOIP_CONFIG_VERSION}
    file: geoip.conf.tmpl
    template_driver: golang
  entrypoint:
    name: ${STACK_NAME}_entrypoint_${ENTRYPOINT_VERSION}
    file: entrypoint.sh

secrets:
  db_password:
    external: true
    name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
  secret_key:
    external: true
    name: ${STACK_NAME}_secret_key_${SECRET_SECRET_KEY_VERSION}
  maxmind_license_key:
    external: true
    name: ${STACK_NAME}_maxmind_license_key_${SECRET_MAXMIND_LICENSE_KEY_VERSION}
  smtp_password:
    external: true
    name: ${STACK_NAME}_smtp_password_${SECRET_SMTP_PASSWORD_VERSION}

volumes:
  shiv_data:
  geoip_data:
  app_data:
  postgres_data:
  redis_data:

networks:
  proxy:
    external: true
  internal: