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get-version

The get-version script writes a file containing

  • the current git commit hash (from env GIT_COMMIT)
  • the current git branch (from env GIT_BRANCH)
  • the current git tag (from env GIT_TAG)
  • the version from rebar.conf

And another text file containing all tags for tagging the Docker-container.

Use

Just write the following to your Dockerfile

RUN wget https://ratopi.github.io/get-version.erl/get-version.erl
RUN chmod +x get-version.erl
RUN ./get-version.erl rebar.config additional.config TAGS

Two files will be written:

  • additional.config : Containing an erlang-term with version, git commit hash and git branch name
  • TAGS : Containing docker image tag names to be used in a outer docker building script