metabuilder/emailclient/docker-compose.yml

version: '3.8'

services:
  # SMTP Relay Service (Postfix)
  postfix:
    image: boky/postfix:latest
    container_name: emailclient-postfix
    environment:
      ALLOWED_SENDER_DOMAINS: 'example.com localhost'
      RELAYHOST: '[smtp.gmail.com]:587'
      RELAYHOST_USERNAME: ''
      RELAYHOST_PASSWORD: ''
      POSTFIX_myhostname: 'emailclient.local'
      POSTFIX_mynetworks: '127.0.0.0/8 10.0.0.0/8'
    ports:
      - '1025:25'
      - '1587:587'
    networks:
      - emailclient-net
    restart: unless-stopped

  # IMAP Server (Dovecot)
  dovecot:
    image: dovecot/dovecot:latest
    container_name: emailclient-dovecot
    environment:
      DOVECOT_PROTOCOLS: 'imap pop3'
      DOVECOT_MAIL_HOME: '/var/mail'
      DOVECOT_USER_DB: 'static'
      DOVECOT_PASS_DB: 'static'
    ports:
      - '1143:143'
      - '1993:993'
      - '1110:110'
      - '1995:995'
    volumes:
      - dovecot-data:/var/mail
    networks:
      - emailclient-net
    restart: unless-stopped

  # Phase 8: Redis Cache & Celery Broker
  redis:
    build:
      context: ./deployment/docker/redis
      dockerfile: Dockerfile
    image: emailclient-redis:latest
    container_name: emailclient-redis
    environment:
      # Redis authentication
      REDIS_PASSWORD: ${REDIS_PASSWORD:-redis_development_password}
      # Redis memory management
      REDIS_MAXMEMORY: ${REDIS_MAXMEMORY:-512mb}
      REDIS_MAXMEMORY_POLICY: ${REDIS_MAXMEMORY_POLICY:-allkeys-lru}
    ports:
      - '6379:6379'
    volumes:
      # Persistent data storage for RDB snapshots and AOF
      - redis-data:/data
    networks:
      - emailclient-net
    healthcheck:
      test: ["CMD", "redis-cli", "--raw", "incr", "ping"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 5s
    restart: unless-stopped
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Phase 8: Email Service (Flask backend)
  email-service:
    image: emailclient-service:latest
    build:
      context: ./services/email_service
      dockerfile: Dockerfile
    container_name: emailclient-email-service
    environment:
      # Mail service configuration
      POSTFIX_HOST: postfix
      POSTFIX_PORT: 25
      DOVECOT_HOST: dovecot
      DOVECOT_IMAP_PORT: 143
      DOVECOT_IMAP_SSL_PORT: 993
      DOVECOT_POP3_PORT: 110
      DOVECOT_POP3_SSL_PORT: 995
      # Redis/Celery configuration
      REDIS_PASSWORD: ${REDIS_PASSWORD:-redis_development_password}
      REDIS_URL: redis://:${REDIS_PASSWORD:-redis_development_password}@redis:6379/0
      CELERY_BROKER_URL: redis://:${REDIS_PASSWORD:-redis_development_password}@redis:6379/0
      CELERY_RESULT_BACKEND: redis://:${REDIS_PASSWORD:-redis_development_password}@redis:6379/0
      CELERY_TASK_SERIALIZER: json
      CELERY_RESULT_SERIALIZER: json
      CELERY_ACCEPT_CONTENT: json
      CELERY_TASK_TIME_LIMIT: 3600
      CELERY_TASK_SOFT_TIME_LIMIT: 3000
      # Database configuration
      DATABASE_URL: postgresql://emailclient:emailclient@postgres:5432/emailclient
      # Flask configuration
      FLASK_ENV: ${FLASK_ENV:-development}
      FLASK_DEBUG: ${FLASK_DEBUG:-1}
      # Email service configuration
      IMAP_SYNC_INTERVAL: 300
      SMTP_TIMEOUT: 30
    ports:
      - '8500:5000'
    depends_on:
      redis:
        condition: service_healthy
      postgres:
        condition: service_started
      postfix:
        condition: service_started
      dovecot:
        condition: service_started
    networks:
      - emailclient-net
    restart: unless-stopped
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # PostgreSQL Database (optional, for email metadata)
  postgres:
    image: postgres:16-alpine
    container_name: emailclient-postgres
    environment:
      POSTGRES_USER: emailclient
      POSTGRES_PASSWORD: emailclient
      POSTGRES_DB: emailclient
    ports:
      - '5433:5432'
    volumes:
      - postgres-data:/var/lib/postgresql/data
    networks:
      - emailclient-net
    restart: unless-stopped

volumes:
  dovecot-data:
  redis-data:
  postgres-data:

networks:
  emailclient-net:
    driver: bridge