version: "3.9"

# Local development stack: encrypted-chat server + MySQL
# Usage:
#   docker compose up          — start server + db
#   docker compose up --build  — rebuild server image first
#   docker compose down -v     — stop and remove volumes (wipes DB data)

services:
  db:
    image: mysql:8.0
    restart: unless-stopped
    environment:
      MYSQL_ROOT_PASSWORD: devpassword
      MYSQL_DATABASE: encrypted_chat
      MYSQL_USER: chat
      MYSQL_PASSWORD: chatpassword
    volumes:
      # Persist DB data between restarts
      - db_data:/var/lib/mysql
      # Auto-import schema on first start
      - ./schema.sql:/docker-entrypoint-initdb.d/01_schema.sql:ro
    ports:
      - "3306:3306"
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-pdevpassword"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 30s

  server:
    build: .
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy
    ports:
      - "5000:5000"
    volumes:
      - uploads:/app/uploads
    environment:
      # MySQL connection
      MYSQL_HOST: db
      MYSQL_PORT: 3306
      MYSQL_USER: chat
      MYSQL_PASSWORD: chatpassword
      MYSQL_DATABASE: encrypted_chat
      DB_POOL_SIZE: 10

      # Server config
      SERVER_HOST: 0.0.0.0
      SERVER_PORT: 5000
      UPLOAD_DIR: /app/uploads

      # Dev mode: registration codes returned in response (no SMTP needed)
      ENVIRONMENT: dev

      # TLS: disabled by default for local dev (set TLS_ENABLED=true for prod)
      TLS_ENABLED: "false"

      # Logging
      LOG_LEVEL: INFO

      # Metadata retention (days)
      METADATA_RETENTION_DAYS: 90

volumes:
  db_data:
  uploads: