bcgov/document-generation-showcase

name: Build & Push Container
description: Builds a container from a Dockerfile and pushes to registry

inputs:
  context:
    description: Effective Working Directory
    required: true
    default: "./"
  image_name:
    description: Image Name
    required: true
  github_username:
    description: Github Container Registry Username
    required: true
  github_token:
    description: Github Container Registry Authorization Token
    required: true
  dockerhub_username:
    description: Dockerhub Container Registry Username
    required: false
  dockerhub_organization:
    description: Dockerhub Container Registry Organization
    required: false
    default: bcgovimages
  dockerhub_token:
    description: Dockerhub Container Registry Authorization Token
    required: false

runs:
  using: composite
  steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Parse Input Values
      shell: bash
      run: |
        echo "GH_USERNAME=$(tr '[:upper:]' '[:lower:]' <<< '${{ inputs.github_username }}')" >> $GITHUB_ENV
        echo "HAS_DOCKERHUB=${{ fromJson(inputs.dockerhub_username != '' && inputs.dockerhub_token != '') }}" >> $GITHUB_ENV

    - name: Login to Github Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ env.GH_USERNAME }}
        password: ${{ inputs.github_token }}

    - name: Login to Dockerhub Container Registry
      if: env.HAS_DOCKERHUB == 'true'
      uses: docker/login-action@v3
      with:
        registry: docker.io
        username: ${{ inputs.dockerhub_username }}
        password: ${{ inputs.dockerhub_token }}

    - name: Prepare Container Metadata tags
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: |
          ghcr.io/${{ env.GH_USERNAME }}/${{ inputs.image_name }}
          docker.io/${{ inputs.dockerhub_organization }}/${{ inputs.image_name }},enable=${{ env.HAS_DOCKERHUB }}
        # Always updates the 'latest' tag
        flavor: |
          latest=true
        # Creates tags based off of branch names and semver tags
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=sha

    - name: Build and Push to Container Registry
      id: builder
      uses: docker/build-push-action@v6
      with:
        context: ${{ inputs.context }}
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}

    - name: Inspect Docker Image
      shell: bash
      run: |
        docker image inspect ghcr.io/${{ env.GH_USERNAME }}/${{ inputs.image_name }}:latest