Terminal-Chat-Program/docker-compose.yml at main · maxron84/Terminal-Chat-Program · GitHub

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version: '3.8'

services:
  # Production Chat Server
  chat-server:
    build: .
    image: terminal-chat:latest
    container_name: terminal-chat-server
    hostname: chat-server

    # Network configuration
    ports:
      - "${CHAT_PORT:-4444}:4444"

    networks:
      - chat-network

    # Environment variables
    environment:
      - CHAT_PORT=4444
      - CHAT_PASSWORD=${CHAT_PASSWORD:?CHAT_PASSWORD is required}
      - CHAT_USERNAME=${SERVER_USERNAME:-ChatServer}
      - PYTHONUNBUFFERED=1

    # Persistent storage
    volumes:
      - chat-shared:/app/data/shared
      - chat-logs:/app/logs
      - ./data/outbox:/app/data/outbox:ro  # Read-only for security

    # Resource limits
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 128M

    # Restart policy
    restart: unless-stopped

    # Health check - verify process is running without connecting as a client
    healthcheck:
      test: ["CMD", "sh", "-c", "ps aux | grep -q '[p]ython3.*main.py.*listen' || exit 1"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 10s

    # Logging
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"
        labels: "service,environment"

    # Labels for monitoring
    labels:
      - "com.terminal-chat.service=server"
      - "com.terminal-chat.environment=production"
      - "com.terminal-chat.version=1.1"

    # Command (use shell form for env var expansion)
    command: listen 4444 $CHAT_PASSWORD ${SERVER_USERNAME:-ChatServer}

# Networks
networks:
  chat-network:
    driver: bridge
    name: terminal-chat-network
    ipam:
      config:
        - subnet: 172.28.0.0/16

# Volumes
volumes:
  chat-shared:
    driver: local
    name: terminal-chat-shared
  chat-logs:
    driver: local
    name: terminal-chat-logs