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vgo|Semantic Versioning on Private Library Package for Golang 1.13

golangvgo

What we need?

  • Golang version 1.13 or above
    • GOPRIVATE introduced to go module since 1.13
    • multi section of GOPROXY introduced to go module since 1.13
  • Running Gitlab
    • Certainly, We need it host our private code. I assumed your gitlab running happily at http://foo.bar.com
Configure go.mod file for Library Package
  • Init a package named group/project
    go mod init foo.bar.com/group/project
  • Write some bugs with few lines of functional code, then commit and push.
  • Release your package with Semantic Version
    git tag -a v1.0.0 -m "release v1.0.0 for semantic version testing"
    git push --tags
  • Checkout your hard work on Gitlab.
Use Private Library Package For Versioning
  • Make sure your GOPRIVATE and GOPROXY works as well as we expect.
    GOPRIVATE=foo.bar.com
    GOPROXY=https://goproxy.io,direct
    【vgo|Semantic Versioning on Private Library Package for Golang 1.13】Be careful :
    • GOPRIVATE=foo.bar.com means : all Packages from foo.bar.com was private package, go build will skip checksum cuz we trust our teammate. lol.
    • You may have your own setting of GOPROXY, always make sure direct section was placed EXACTLY at the end of this line. For now, our configuration means : If go build can't find package foo.bar.com/group/project via https://goproxy.io/group/project Then it will try to find it via http://foo.bar.com/group/project
  • Access your git repo
    • Use SSH instead of HTTP
      git config --global url."git@foo.bar.com:".instead of "http://foo.bar.com/"
    • Setup SSH public key on gitlab, You can easily make it via Google.
  • Pull the Trigger
    • Import library package and use it
      go get -u -v foo.bar.com/group/project@v1.0.0
      go build -v .
Migrate to Docker
  • Use key pair for Docker build
    ssh-keygen -f /path/to/build-key
    Change your docker file
    COPY/path/to/build-key` ~/.ssh/id_rsa
    Setup SSH public key /path/to/build-key.pub on gitlab.

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