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API Development in Go (Golang): From Basics to Production
API Development in Go (Golang): From Basics to Production
Summary:
The book "API Development in Go (Golang)" is a comprehensive practical guide that will take you from the first line of code to launching a production-ready web service. Go (or Golang) is rightfully considered one of the best languages for creating high-load APIs due to its performance, simplicity, and built-in concurrency support.
Who is this book for?
- Beginner Go developers who want to learn how to create web services "from scratch";
- Backend developers in other languages (Python, Java, PHP) looking to master Go for APIs;
- Engineers striving to write clean, testable, and maintainable code in Go;
- Anyone who wants to understand how to build a microservice architecture using Go.
What will you learn?
- Go language basics: types, structures, interfaces, error handling, and goroutines;
- RESTful API design: proper endpoint structure, versioning, status codes;
- Popular HTTP frameworks: net/http, Chi, Gin, and Gorilla Mux — when to use what;
- Working with databases: connecting to PostgreSQL and MySQL, ORM (GORM), and raw SQL;
- Middleware: logging, CORS, authentication (JWT, OAuth2), and rate limiting;
- gRPC: creating high-performance APIs with Protocol Buffers;
- Testing: unit tests, integration tests, mocks, and test containers;
- Deployment and DevOps: building Docker images, CI/CD, monitoring (Prometheus, Grafana);
- Advanced topics: graceful shutdown, working with queues (RabbitMQ, Kafka), OpenAPI/Swagger.
Why choose this book?
- All code examples are tested and ready for use in real projects;
- Step-by-step instructions from design to deployment;
- Focus on best practices and design patterns (SOLID, Clean Architecture);
- Real-world cases: from simple CRUD to microservices with queues and caching.
By the end of the book, you will be able to independently develop, test, and deploy high-load APIs in Go that can withstand thousands of requests per second. Whether you are building a personal project or working in an enterprise team — this book will be your reliable companion.