action.yml

name: 'Docker environment setup'
description: 'An action to easily set up a Docker build environment with some useful environment variables.'
author: 'Matteo Bilotta <me@byloth.net>'
branding:
  icon: 'anchor'
  color: 'blue'

inputs:
  registry:
    description: 'The registry to prepend to the Docker image name.'
    required: false

  repository:
    description: 'The repository to use as a Docker image name.'
    default: ${{ github.repository }}

  shaLength:
    description: 'The length to shorten the SHA to use as a Docker image tag.'
    default: '7'

outputs:
  shortSha:
    description: 'The shortened SHA of the current commit.'

  branchSlug:
    description: 'The slugified version of the branch name.'

  dockerImage:
    description: 'The Docker image name matching the repository.'

runs:
  using: 'node20'
  main: './dist/index.js'