name: "Bob the Builder"
description: "automatic preconfigured docker image builder for gitea"
inputs:
  registry:
    description: "container registry link"
    default: ""
  username:
    description: "username for registry authentication"
    required: false
  token:
    description: "token for registry authentication"
    required: false
  tag:
    description: "image tag to push"
    required: true
  dockerfile:
    description: "path to dockerfile"
    required: false
    default: "Dockerfile"
  build-args:
    description: "passed as build-args to docker build"
    required: false
runs:
  using: "composite"
  steps:
    - name: "login to docker"
      uses: docker/login-action@v3
      with:
        registry: ${{ inputs.registry }}
        username: ${{ inputs.username }}
        password: ${{ inputs.token }}

    - name: "build image"
      uses: docker/build-push-action@v6
      with:
        push: true
        tags: ${{ inputs.tag }}
        file: ${{ inputs.dockerfile }}
        build-args: ${{ inputs.build-args }}
        no-cache: true

    - name: "cleanup image"
      shell: bash
      run: |
        docker rmi ${{ inputs.tag }}
        docker system prune