Go HTTP Server with Graceful Shutdown

Build a production-ready Go HTTP server with proper lifecycle management.

Components

1. HTTP Server Setup

• Use gorilla/mux or chi router
• Configure host, port, timeouts

2. Middleware

• Logging middleware
• Recovery middleware (panic handling)
• CORS middleware

3. Health Check

• /health endpoint
• Return server status

4. Signal Handling

• Listen for SIGTERM and SIGINT
• Trigger graceful shutdown

5. Graceful Shutdown

• Context with timeout (30 seconds)
• Complete in-flight requests
• Close database connections
• Clean resource cleanup

6. Error Logging

• Comprehensive error logging throughout
• Structured logging (JSON format)

7. Configuration

• Load from environment variables
• Use .env file for local development
• Validate required configuration

Structure

Show the complete main.go file structure with:

• All necessary imports
• Best practices for production deployments
• Proper error handling
• Clean code organization