# Docker Swarm stack - run: make swarm-deploy (build images first: make swarm-build)
# Postgres is pinned to manager node so its volume stays on one node.

services:
  api:
    image: handheld-devices-api:latest
    networks:
      - handheld-net
    ports:
      - "8080:8080"
    env_file:
      - .env
    environment:
      DB_HOST: postgres
      DB_PORT: "5432"
      DB_NAME: handheld_devices
      DB_USER: devices_user
      DB_PASSWORD: devices_password
      REDIS_HOST: redis
      REDIS_PORT: "6379"
    healthcheck:
      test: ["CMD-SHELL", "wget -q -O - http://localhost:8080/health/live || exit 1"]
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 30s
    deploy:
      replicas: 2
      restart_policy:
        condition: on-failure
      update_config:
        parallelism: 1
        delay: 10s

  postgres:
    image: postgres:15-alpine
    networks:
      - handheld-net
    ports:
      - "5432:5432"
    environment:
      POSTGRES_DB: handheld_devices
      POSTGRES_USER: devices_user
      POSTGRES_PASSWORD: devices_password
    volumes:
      - postgres_data:/var/lib/postgresql/data
    configs:
      - source: postgres_init
        target: /docker-entrypoint-initdb.d/001_create_devices.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U devices_user -d handheld_devices"]
      interval: 5s
      timeout: 3s
      retries: 10
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure
      placement:
        constraints:
          - node.labels.db == true

  redis:
    image: redis:7-alpine
    networks:
      - handheld-net
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 5
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure

  frontend:
    image: handheld-devices-frontend:latest
    networks:
      - handheld-net
    ports:
      - "8090:8090"
    env_file:
      - .env
    environment:
      API_URL: http://localhost:8080
    healthcheck:
      test: ["CMD-SHELL", "wget -q -O - http://localhost:8090/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 5s
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure
      update_config:
        parallelism: 1
        delay: 10s

  worker:
    image: handheld-devices-worker:latest
    networks:
      - handheld-net
    env_file:
      - .env
    environment:
      DB_HOST: postgres
      DB_PORT: "5432"
      DB_NAME: handheld_devices
      DB_USER: devices_user
      DB_PASSWORD: devices_password
      REDIS_HOST: redis
      REDIS_PORT: "6379"
    healthcheck:
      test: ["CMD-SHELL", "pgrep -f 'worker.lua' || exit 1"]
      interval: 10s
      timeout: 3s
      retries: 3
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure

configs:
  postgres_init:
    file: ./devices-api/migrations/001_create_devices.sql

volumes:
  postgres_data:

networks:
  handheld-net:
    driver: overlay
    attachable: true