Template: Go application

Just how I set up my go apps, which I most certainly do not claim to be best practice or anything. Comments welcome!

Features

• spf13/cobra for implementing the command-line interface
• Acceptance tests with Cucumber

To Do

Things I want to include, but haven't gotten around to yet:

• Go: set up logging
• Go: reading config files with spf13/viper
• CI: run tests before releasing
• CI: test/Dockerfile should use versions from mise config

Developer Setup

Testing

• We include a test workflow that runs unit and acceptance tests with coverage.
• Run unit tests through go test, as per usual.
• Run acceptance tests through test/Dockerfile; a run configuration for IDEA/GoLand is included.
• Run acceptance tests with coverage like so:

  docker rm template-goapp-test
  rm -f test/coverage/*
  
  docker build -f test/Dockerfile -t template-goapp-test . \
    && docker run -it --name template-goapp-test template-goapp-test \
    && docker cp template-goapp-test:/home/test/app/coverage test/
  go tool covdata percent -i=test/coverage

Tooling

• jdx/mise for managing tools and environment variables
• aquaproj/aqua for managing tool dependencies
• .editorconfig for consistent formatting
• golangci/golangci-lint for maintaining orderly Go code
• rubocop/rubocop for maintaining orderly Ruby code
• cocogitto/cocogitto for maintaining an orderly Git history
• evilmartians/lefthook for pre-commit hooks
• miniscruff/changie for creating changelogs
• goreleaser/goreleaser for release assembly
• GitHub Actions for testing and releasing
• Renovate for keeping dependencies up to date
• GoLand for the typing

Limitations

• Trigger Release creates a release draft without a tag; publishing the draft will create the tag on main -- don't wait around!

Instantiating the template

• Install aqua and mise
• "Use this template" from GitHub web UI
• Change some settings on GitHub:
  • Add label no changelog
  • Activate RenovateBot for the new repository (Docs)
• Clone your new repository
• Run aqua install (or install the tools listed above in whichever way pleases you)
• Run mise install (or install matching Go and Ruby in whichever you pleases you)
• Run lefthook install (optional)
• rm .changes/unreleased/* .changes/v*.md && changie merge
• Replace all occurrences of [reitzig/]template-goapp with [your-account/]your-app
• Rewrite README, replace LICENSE
  • If you want to keep the badge linking to this template <3, you may also want to replace the linked revision to the one you used.