docker-compose.yml

services:
  db:
    image: postgres:17-alpine
    restart: unless-stopped
    env_file: ${GOGGLES_ENV_FILE:-.env}
    volumes:
      - postgres-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s

  db-test:
    image: postgres:17-alpine
    profiles: ["test"]
    environment:
      POSTGRES_DB: goggles_test
      POSTGRES_USER: goggles
      POSTGRES_PASSWORD: goggles
    tmpfs:
      - /var/lib/postgresql/data
    ports:
      - "127.0.0.1:${GOGGLES_TEST_DB_PORT:-55432}:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 2s
      timeout: 5s
      retries: 20
      start_period: 5s

  web:
    build: .
    init: true
    restart: unless-stopped
    # Keep a pathological request inside the Goggles cgroup instead of letting
    # it exhaust host RAM and swap. Equal memory/swap limits disable additional
    # swap allocation for this container.
    mem_limit: ${GOGGLES_WEB_MEMORY_LIMIT:-16g}
    memswap_limit: ${GOGGLES_WEB_MEMORY_LIMIT:-16g}
    mem_swappiness: 0
    cpus: ${GOGGLES_WEB_CPUS:-2.0}
    pids_limit: ${GOGGLES_WEB_PIDS_LIMIT:-256}
    env_file: ${GOGGLES_ENV_FILE:-.env}
    depends_on:
      db:
        condition: service_healthy
    volumes:
      - static-assets:/app/staticfiles
    ports:
      - "127.0.0.1:8000:8000"
    command: >
      sh -c "python manage.py migrate --noinput &&
             python manage.py collectstatic --noinput &&
             exec gunicorn config.wsgi:application
             --bind 0.0.0.0:8000
             --workers $${GOGGLES_WEB_WORKERS:-3}
             --threads $${GOGGLES_WEB_THREADS:-4}
             --timeout $${GOGGLES_WEB_TIMEOUT_SECONDS:-300}
             --max-requests $${GOGGLES_WEB_MAX_REQUESTS:-500}
             --max-requests-jitter $${GOGGLES_WEB_MAX_REQUESTS_JITTER:-50}"
    logging:
      driver: json-file
      options:
        max-size: ${GOGGLES_WEB_LOG_MAX_SIZE:-20m}
        max-file: ${GOGGLES_WEB_LOG_MAX_FILES:-5}
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "python -c \"import os, urllib.request; host = os.environ.get('DJANGO_ALLOWED_HOSTS', '127.0.0.1').split(',')[0].strip(); request = urllib.request.Request('http://127.0.0.1:8000/healthz/', headers={'Host': host}); urllib.request.urlopen(request, timeout=2).read()\"",
        ]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 20s

  static:
    image: nginx:1.29-alpine
    restart: unless-stopped
    depends_on:
      web:
        condition: service_healthy
    volumes:
      - static-assets:/usr/share/nginx/html:ro
    ports:
      - "127.0.0.1:8001:80"

volumes:
  postgres-data:
  static-assets: