Learn VAPOR with Real Code Examples
Updated Nov 27, 2025
Practical Examples
Build a blog with CRUD operations using Fluent and Leaf
Create a REST API backend for an iOS app
Develop a chat app with WebSockets
Implement user authentication and roles
Integrate third-party APIs or cloud services
Troubleshooting
Check Swift and Vapor CLI versions
Ensure database migrations are run
Verify routes are registered correctly
Inspect server logs for runtime errors
Debug middleware and controller flow
Testing Guide
Use XCTest for unit and integration tests
Test controllers, routes, and models
Mock database connections for isolated tests
Run tests with `swift test`
Integrate tests into CI pipelines
Deployment Options
Deploy to Vapor Cloud
Use Docker for containerized deployment
Deploy to Linux servers with Swift runtime
Integrate with CI/CD pipelines
Use Nginx or Apache as a reverse proxy
Tools Ecosystem
Vapor CLI for project scaffolding
Fluent ORM for database management
Leaf templating engine
Vapor Toolbox for running and testing apps
Middleware for authentication, logging, and routing
Integrations
Fluent ORM for relational databases
Leaf for server-side HTML templates
Authentication and sessions
WebSockets for real-time features
Integration with cloud platforms like AWS, Heroku, or Vapor Cloud
Productivity Tips
Use Vapor CLI for scaffolding
Keep controllers and services modular
Leverage Leaf for efficient server-side rendering
Optimize database queries with Fluent
Regularly monitor performance and logs
Challenges
Smaller ecosystem compared to Node.js/Python
Debugging async code with Swift NIO
Database query optimization with Fluent
Integration with non-Swift libraries
Keeping up with Swift server-side updates