yamlcfg is a Go library that merges YAML configuration files with environment variables. Supports default values, type coercion, and nested configuration structures.
A practical walkthrough of Go's crypto/aes and crypto/cipher packages. Covers AES-GCM encryption, key sizing, NewCipher usage, and common pitfalls with working code examples.
Go's testing tools are powerful enough that mocking is often unnecessary. Learn when to skip mocks and use real implementations, httptest, and integration tests instead.
Automate Go deployments to staging and production using GitHub Actions and Fly.io. Covers pipeline configuration, environment separation, and deployment safeguards with working workflow examples.
Deploy your existing Docker images to Fly.io with flyctl. Covers creating a Fly app from a Docker image, configuration, scaling, and getting your containers running globally.
Set up a complete CI pipeline for Go projects with GitHub Actions. Covers linting with golangci-lint, running tests, handling private modules, and workflow configuration with real examples.
Build Kafka producers and consumers in Go using the franz-go library. Covers Kafka architecture, topic management, message serialisation, and practical examples for real-time data streaming.