name: boxoffice

services:

  db:
    image: postgres:17
    environment:
      POSTGRES_DB: ${DB_NAME:-boxoffice}
      POSTGRES_USER: ${DB_USER:-boxoffice}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-boxoffice}
    ports:
      - "5432:5432"
    volumes:
      - db-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 5s
      timeout: 3s
      retries: 10

  catalog:
    build: ./services/catalog
    environment:
      DB_HOST: db
      DB_PORT: 5432
      DB_NAME: ${DB_NAME:-boxoffice}
      DB_USER: ${DB_USER:-boxoffice}
      DB_PASSWORD: ${DB_PASSWORD:-boxoffice}
      DB_POOL_SIZE: ${DB_POOL_SIZE:-10}  # HikariCP pool size (lab 2 experiments with it)
    ports:
      - "8082:8082"
    depends_on:
      db:
        condition: service_healthy   # wait until PostgreSQL accepts connections
    deploy:
      resources:
        limits:
          cpus: "1.0"                # one core per replica: makes scaling visible in lab 3
          memory: 768M
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://localhost:8082/actuator/health/readiness || exit 1"]
      interval: 10s
      timeout: 3s
      start_period: 40s
      retries: 3

volumes:
  db-data: