git-tagger

Small and simple Docker image to create and push a tag into a git repository

Usage

You need to run the docker image with the following environment variables set:

• GIT_USER_NAME Name of the user who will create the tag. Required for git configuration.
  • Eg. Gitlab CI
• GIT_USER_EMAIL Email of the user who will create the tag. Required for git configuration.
  • Eg. git@example.com
• GIT_REPO Git SSH URL repository of which you want to push the tag.
  • Eg. git@github.com:manoamaro/git-tagger.git
• GIT_PRIVATE_KEY Private key of git repository account encoded in base64. This account needs to have write access to the repository.
  • How to generate: cat ~/.ssh/id_rsa | openssl base64 | tr -d '\n'
• GIT_HOST The host of the git repository, for ssh known hosts reasons.
  • Eg. github.com
• GIT_REF The branch name where the tag should be created.
  • Eg. develop
• TAG_NAME The new tag name.
  • Eg. release_1.0

Example

• Using Gitlab CI predefined variables
  • CI_COMMIT_REF_NAME
  • GITLAB_USER_NAME
  • GITLAB_USER_EMAIL
• Using defined variables in CI
  • GIT_REPO
  • TAG_NAME
  • GIT_PRIVATE_KEY

docker run --rm \
  -e GIT_USER_NAME="$GITLAB_USER_NAME" \
  -e GIT_USER_EMAIL="$GITLAB_USER_EMAIL" \
  -e GIT_REPO="$GIT_REPO" \
  -e GIT_PRIVATE_KEY="$GIT_PRIVATE_KEY" \
  -e GIT_HOST="gitlab.com" \
  -e GIT_REF="$CI_COMMIT_REF_NAME" \
  -e TAG_NAME="$TAG_NAME"\
  manoamaro/git-tagger:latest