LambdaMail/docker-compose.yaml

x-logging: &default-logging
  driver: json-file
  options: { max-size: "10m", max-file: "3" }

services:
  db:
    image: postgres:16-alpine
    restart: unless-stopped
    logging: *default-logging
    environment:
      POSTGRES_DB: ${POSTGRES_DB:?required}
      POSTGRES_USER: ${POSTGRES_USER:?required}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?required}
    ports: ["5432:5432"]
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 5s
      timeout: 5s
      retries: 10

  redis:
    image: redis:7-alpine
    restart: unless-stopped
    logging: *default-logging
    command: >
      redis-server --appendonly yes --requirepass ${REDIS_PASSWORD:?required}
    environment:
      REDIS_PASSWORD: ${REDIS_PASSWORD}
    volumes: [redis_data:/data]
    healthcheck:
      test: ["CMD-SHELL", "redis-cli --no-auth-warning -a $${REDIS_PASSWORD} ping | grep -q PONG"]
      interval: 5s
      timeout: 5s
      retries: 10

  migrate:
    image: migrate/migrate:v4.17.1
    restart: "no"
    volumes: ["./migrations:/migrations"]
    depends_on:
      db: { condition: service_healthy }
    entrypoint:
      - migrate
      - -path=/migrations
      - -database
      - postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?sslmode=disable
      - up

  auth:
    build: { context: ./services/auth }
    restart: unless-stopped
    logging: *default-logging
    environment:
      PORT: 3001
      DATABASE_URL: postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?sslmode=disable
      REDIS_URL: redis://:${REDIS_PASSWORD}@redis:6379
      JWT_SECRET: ${JWT_SECRET:?required}
      LAMBDAMAIL_MASTER_KEY: ${LAMBDAMAIL_MASTER_KEY:?required}
    depends_on:
      db: { condition: service_healthy }
      redis: { condition: service_healthy }
      migrate: { condition: service_completed_successfully }
    healthcheck:
      test: ["CMD", "node", "-e", "fetch('http://localhost:3001/health/ready').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s

  storage:
    build: { context: ./services/storage }
    restart: unless-stopped
    logging: *default-logging
    environment:
      PORT: 3002
      DATABASE_URL: postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?sslmode=disable
      REDIS_URL: redis://:${REDIS_PASSWORD}@redis:6379
    depends_on:
      db: { condition: service_healthy }
      redis: { condition: service_healthy }
      migrate: { condition: service_completed_successfully }
    healthcheck:
      test: ["CMD", "node", "-e", "fetch('http://localhost:3002/health/ready').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s

  protocols:
    build: { context: ./services/protocols }
    restart: unless-stopped
    logging: *default-logging
    ports: ["8080:8080", "25:25", "143:143"]
    environment:
      DATABASE_URL: postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?sslmode=disable
      PRIMARY_MAIL_HOST: ${PRIMARY_MAIL_HOST:-mail.localhost}
      PROTOCOLS_CERT_PATH: /etc/lambdamail/certs/cert.pem
      PROTOCOLS_KEY_PATH: /etc/lambdamail/certs/key.pem
      PROTOCOLS_SPOOL_DIR: /var/lambdamail/spool
    volumes:
      - ./local/certs:/etc/lambdamail/certs:ro
      - protocols_spool:/var/lambdamail/spool
    depends_on:
      db: { condition: service_healthy }
      migrate: { condition: service_completed_successfully }
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://localhost:8080/health/ready || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s

  web:
    build: { context: ./services/webmail }
    restart: unless-stopped
    logging: *default-logging
    ports: ["3000:3000"]
    environment:
      PORT: 3000
      AUTH_SERVICE_URL: http://auth:3001
      STORAGE_SERVICE_URL: http://storage:3002
    depends_on:
      auth: { condition: service_healthy }
      storage: { condition: service_healthy }
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://127.0.0.1:3000/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s

volumes:
  postgres_data:
  redis_data:
  protocols_spool: