Surgo / docker-smart-tag-action

Get Docker image tag from branch or tag

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Create a JavaScript Action using TypeScript

build-test License: MIT

About

Generate Docker tag from for each branches or tags

:bulb: See also:

Example (smart) tag

  • Pull request: pr-<pull request number>
  • Publish with tags: v1.0.0 => 1.0.0, 1.0, 1 and latest
  • Branch: topic/my_branch => topic-my_branch
    • Default branch => edge
    • Scheduled build => nightly

Usage

jobs:
  main:
    runs-on: ubuntu-latest
  steps:
    - name: Get smart tag
      id: prepare
      uses: Surgo/docker-smart-tag-action@v1
      with:
        docker_image: name/app
    - name: Build and push
      uses: docker/build-push-action@v2
      with:
        push: true
        tags: ${{ steps.prepare.outputs.tag }}

Customizing

inputs

Following inputs can be used as step.with keys

Name Type Description
docker_image String Docker image name e.g. name/app
default_branch String Default branch (default main). If not main, specify ${{ github.event.repository.default_branch }} or your default branch.
tag_with_sha String Tags the built image with the git short SHA prefixed with sha-.

See example config

outputs

Following outputs are available

  • tag: Smart tag

Development

Build

npm run build

Test

npm run build
npm t

About

Get Docker image tag from branch or tag

License:MIT License


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