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feat: Allow stripping tag prefixes

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Alex Viscreanu 2020-02-24 22:11:13 +01:00
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@ -33,24 +33,25 @@ jobs:
This action aims to be as flexible as possible, so it tries to define the defaults as for what I thought of being
the most used values. So, technically there is a single required argument
| variable | description | required | default |
|-----------------|----------------------------------------------------------|----------|-----------------------------|
| image | Name of the image you would like to push | true | |
| variable | description | required | default |
|------------------|----------------------------------------------------------|----------|-----------------------------|
| image | Name of the image you would like to push | true | |
## Optional Arguments
| variable | description | required | default |
|-----------------|----------------------------------------------------------|----------|-----------------------------|
| registry | Docker registry where the image will be pushed | false | docker.io |
| username | Username used for authentication to the Docker registry | false | $GITHUB_ACTOR |
| password | Password used for authentication to the Docker registry | false | |
| tag | Image tag | false | latest |
| cache | Enables build cache | false | false |
| cache_ttl | How long the cache should be considered valid | false | |
| cache_registry | Docker registry meant to be used as cache | false | |
| cache_directory | Filesystem path meant to be used as cache | false | |
| build_file | Dockerfile filename | false | Dockerfile |
| extra_args | Additional arguments to be passed to the kaniko executor | false | |
| variable | description | required | default |
|------------------|----------------------------------------------------------|----------|-----------------------------|
| registry | Docker registry where the image will be pushed | false | docker.io |
| username | Username used for authentication to the Docker registry | false | $GITHUB_ACTOR |
| password | Password used for authentication to the Docker registry | false | |
| tag | Image tag | false | latest |
| cache | Enables build cache | false | false |
| cache_ttl | How long the cache should be considered valid | false | |
| cache_registry | Docker registry meant to be used as cache | false | |
| cache_directory | Filesystem path meant to be used as cache | false | |
| build_file | Dockerfile filename | false | Dockerfile |
| extra_args | Additional arguments to be passed to the kaniko executor | false | |
| strip_tag_prefix | Prefix to be stripped from the tag | false | |
**Here is where it gets specific, as the optional arguments become required depending on the registry targeted**
@ -154,3 +155,18 @@ If you would like to publish the image to other registries, these actions might
The `tag` argument, **unless overridden**, is automatically guessed based on the branch name. If the branch is `master` then the tag will
be `latest`, otherwise it will keep the branch name, but replacing any forward slash (/) with a hyphen (-).
If the `v` prefix that it's usually added to the GitHub releases is not desired when pushed to dockerhub, the `strip_tag_prefix` allows to
specify which part of the tag should be removed.
Example:
```yaml
with:
registry: docker.pkg.github.com
password: ${{ secrets.GITHUB_TOKEN }}
image: kaniko
strip_tag_prefix: pre-
```
for the tag `pre-0.1` will push `kaniko:0.1`, as the `pre-` part will be stripped from the tag name.