Allow for easier generation of semantic versions based on semver.org.
> docker build -t docker-versioner .| ENV Var | Example | Description |
|---|---|---|
| version_base | 3.0.0 |
The base version to use, ignored unless ignorePrevious is true. |
| version_ignorePrevious | true |
If true the previous tags on the repo will be ignored when determining a version. |
| version_pattern | *.^.* |
How to increment a version, * will leave alone, ^ will increment by 1 |
| version_prerelease | 432345 | Append pre-release data, this defaults to being a timestamp. After a - character |
| version_metadata | alpha | Append release metadata, no default. After a + character. |
> docker run -v "$(pwd):/tmp" -w /tmp --rm -e version_base=1.3.5 -e version_ignorePrevious=true quay.cnqr.delivery/da-workflow/docker-versioner
# output 1.4.0> docker run -v "$(pwd):/tmp" -w /tmp --rm -e version_base=2.4.0 -e version_ignorePrevious=true -e version_pattern="^.*.*" quay.cnqr.delivery/da-workflow/docker-versioner
# output 3.0.0> docker run -v "$(pwd):/tmp" -w /tmp --rm -e version_base=2.1.0 -e version_pattern="*.*.^" quay.cnqr.delivery/da-workflow/docker-versioner
# output 2.1.1