Go (Golang) for Cloud-Native Microservices
Go (Golang) for Cloud-Native Microservices
Master the language of modern infrastructure. This course takes you from beginner to expert in Go, focusing on building high-performance, concurrent microservices using only the standard library. Learn the internals of Docker and Kubernetes' favorite language, master Goroutines, and build production-ready APIs without the 'magic' of heavy frameworks. We focus on raw performance, clarity, and the cloud-native ecosystem.
Lessons
- The Go Philosophy: Why Go for Infrastructure?
- Setting Up Your Go Workspace
- The Anatomy of a Go Program
- Variables and Primitive Types
- Control Flow: If, Else, and Switch
- Loops in Go: Only For
- Functions: Multiple Return Values
- Pointers: Don't Be Afraid
- Structs: Organizing Data
- Methods: Adding Behavior to Structs
- Interfaces: The Power of Polymorphism
- Arrays and Slices: Dynamic Lists
- Maps: Fast Key-Value Storage
- Error Handling: The Explicit Way
- Defer: Cleaning Up Resources
- Introduction to net/http
- Request and Response: The Basics
- JSON: Encoding and Decoding
- Routing: Building a Custom Multiplexer
- Middleware: Intercepting Requests
- Project: The Morning HTTP Challenge
- Goroutines: Lightweight Concurrency
- Channels: Communicating Between Goroutines
- Buffered Channels and Throughput
- The Select Statement: Handling Multiple Channels
- Context: Cancellation and Deadlines
- WaitGroups: Waiting for Goroutines
- Mutexes: Protecting Shared State
- The Repository Pattern in Go
- Dependency Injection without Frameworks
- Unit Testing: The Built-in way
- Table-Driven Tests: The Go Standard
- Mocking with Interfaces
- Graceful Shutdown: Cleaning up on Exit
- Dockerizing Your Go Microservice
- Go and Environment Variables
- Logging for Observability
- Connecting to PostgreSQL
- Executing Queries and Scanning Rows
- Database Transactions in Go
- API Versioning Strategies
- Health Checks: Liveness and Readiness
- Metrics with Prometheus
- Middleware for CORS
- Authentication: JWT Implementation
- Rate Limiting for Protection
- Working with Redis: Caching
- Internal vs External Packages
- Performance Profiling with pprof
- Go Benchmarks: Measuring Code Speed
- Embedding Files in Binaries
- Reflection: When to Use (and Avoid) It
- Generics in Go (v1.18+)
- The Morning HTTP Challenge: Level 2
- Kubernetes Deployment YAMLs
- CI/CD for Go with GitHub Actions
- Static Analysis and Linting
- Final Project: Building a Distributed Task Queue
- Optimizing Go Binaries for Production
- Conclusion: The Path to Mastery