Comprehensive guide for dependency injection (DI) in Golang. Covers why DI matters (testability, loose coupling, separation of concerns, lifecycle management), manual constructor injection, and DI library comparison (google/wire, uber-go/dig, uber-go/fx, samber/do).
Install
npx skills add samber/cc-skills-golang --skill golang-dependency-injectionnpx skills add samber/cc-skills-golang --skill golang-dependency-injection -a claude-code -gnpx skills add samber/cc-skills-golang --skill golang-dependency-injection -a codex -ggemini skills install https://github.com/samber/cc-skills-golang.git --path skills/golang-dependency-injectiongh skill install samber/cc-skills-golang golang-dependency-injectiongit clone --depth 1 https://github.com/samber/cc-skills-golang /tmp/samber__cc-skills-golang
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/samber__cc-skills-golang/skills/golang-dependency-injection ~/.claude/skills/golang-dependency-injection # Claude Code
cp -R /tmp/samber__cc-skills-golang/skills/golang-dependency-injection ~/.agents/skills/golang-dependency-injection # Codex, Cursor, Gemini CLI, Copilot, OpenCode