name: b2bcall

networks:
  b2bcall-net:
    driver: bridge

volumes:
  postgres-data:
  redis-data:
  asterisk-lib:
  asterisk-log:
  asterisk-spool:

services:
  postgres:
    image: postgres:17-alpine
    container_name: b2bcall-postgres
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-b2bcall}
      POSTGRES_USER: ${POSTGRES_USER:-b2bcall}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
    volumes:
      - postgres-data:/var/lib/postgresql/data
      - ./infrastructure/postgres/init:/docker-entrypoint-initdb.d:ro
    networks:
      - b2bcall-net
    ports:
      # Publicado SOMENTE em loopback do host: o container do Asterisk usa
      # network_mode: host (necessário para RTP) e por isso não enxerga a
      # rede Docker interna por nome — precisa alcançar o Postgres via
      # 127.0.0.1. Isso nunca fica acessível pela LAN/Internet (não é 0.0.0.0).
      - "127.0.0.1:${POSTGRES_PORT:-5432}:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-b2bcall} -d ${POSTGRES_DB:-b2bcall}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 512M

  redis:
    image: redis:7-alpine
    container_name: b2bcall-redis
    restart: unless-stopped
    environment:
      REDIS_PASSWORD: ${REDIS_PASSWORD:?REDIS_PASSWORD is required}
    command: >
      redis-server
      --requirepass ${REDIS_PASSWORD:?REDIS_PASSWORD is required}
      --maxmemory 100mb
      --maxmemory-policy noeviction
      --appendonly yes
    volumes:
      - redis-data:/data
    networks:
      - b2bcall-net
    # Sem "ports": Redis não deve ficar acessível fora da rede Docker interna.
    healthcheck:
      test: ["CMD-SHELL", "redis-cli -a $$REDIS_PASSWORD --no-auth-warning ping | grep -q PONG"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 5s
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 160M

  asterisk:
    build:
      context: .
      dockerfile: infrastructure/docker/asterisk.Dockerfile
    image: b2bcall-asterisk:22.10.1
    container_name: b2bcall-asterisk
    restart: unless-stopped
    network_mode: host
    # RTP exige uma faixa larga de portas UDP — inviável de mapear uma a uma
    # em bridge network, por isso host mode (ver docs/ARCHITECTURE.md 3.1).
    # AMI (5038), ARI (8088) e SIP (5060) ficam protegidos pelo nftables
    # (infrastructure/nftables/b2bcall.nft), que bloqueia acesso pela LAN.
    depends_on:
      postgres:
        condition: service_healthy
    env_file:
      - .env
    environment:
      # O Asterisk (host network) alcança o Postgres via loopback do host,
      # não pelo nome do container (ver publicação de porta do serviço postgres).
      ASTERISK_DB_HOST: ${ASTERISK_DB_HOST:-127.0.0.1}
    volumes:
      - ./infrastructure/asterisk/config:/etc/asterisk-templates:ro
      - asterisk-lib:/var/lib/asterisk
      - asterisk-log:/var/log/asterisk
      - asterisk-spool:/var/spool/asterisk
    healthcheck:
      test: ["CMD-SHELL", "asterisk -rx 'core show uptime' | grep -q 'System uptime'"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 20s
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 400M