Golang Training

Version

go1.23

Basics

1. Install Go: https://go.dev/doc/install
   1. If you want to manage multiple versions, use gvm.
2. Run Go test:
   • go test -cover
   • go test -v
   • go test -race race detector
3. Init a module.

   go mod init <modulepath e.g. "tmp">

   multiple mod: go.work

   go work init
   go work use .
   

   add go.work* to .gitignore
4. Tools:
   • Test:
     • BDD testing framework: Ginkgo
     • Matcher/Assertion library: Gomega
   • Debug: Delve
   • Lint: golangci-lint
   • VSCode extensions:
     • vscode-ginkgo

GitHub Actions

Details

      - uses: actions/checkout@v3

      - name: set up
        uses: actions/setup-go@v4
        with:
          go-version-file: go.mod

Contents

1. Learn Go with tests (Official: https://quii.gitbook.io/)
   1. Go fundamentails
   2. Build an application
   3. Questions and answers
   4. Meta
2. Pattern
   1. Golang Functional Options Pattern
3. Pragmatic Cases
   1. Database
      1. ent (go1.17 is removed when upgrading to ent@v0.11.3 #85)
      2. MySQL
      3. Migrate
         1. Postgres
         2. MySQL
      4. atlas
   2. Kubernetes
      1. kind cluster
      2. k8s client (needs go1.17 or later to use controller-runtime@v0.13.0 #83)
      3. Skaffold
   3. Others
      1. Prometheus
      2. Cobra
      3. Ginkgo
      4. String to Object
      5. Opentelemetry
      6. gojsondiff
      7. hcl
4. Integrated Examples
   1. CloudRun
   2. Dataflow
   3. Tracing with OpenTelemetry on GCP
   4. gdrive

References & readings

1. Learn Go with Tests
2. Advanced Testing with Go
3. よくわかるcontextの使い方
4. Goでの並行処理を徹底解剖！