name: 'Build and Push Image'
description: 'Build a container image with Docker and push to zot registry'

# TODO: Investigate zot tag immutability to prevent overwriting released versions
# See: https://zotregistry.dev/v2.1.1/articles/immutable-tags/

inputs:
  context:
    description: 'Build context path'
    required: true
  dockerfile:
    description: 'Dockerfile path (relative to context)'
    required: false
    default: 'Dockerfile'
  image_name:
    description: 'Image name (without registry, e.g. blumeops/devpi)'
    required: true
  version:
    description: 'Version tag (e.g. v1.0.0)'
    required: true
  registry:
    description: 'Registry URL'
    required: false
    default: 'registry.tail8d86e.ts.net'

runs:
  using: 'composite'
  steps:
    - name: Build image with Docker
      shell: bash
      run: |
        echo "Building ${{ inputs.image_name }}:${{ inputs.version }}"
        docker build \
          --tag ${{ inputs.registry }}/${{ inputs.image_name }}:${{ inputs.version }} \
          --tag ${{ inputs.registry }}/${{ inputs.image_name }}:${{ github.sha }} \
          --file ${{ inputs.context }}/${{ inputs.dockerfile }} \
          ${{ inputs.context }}

    - name: Push to registry
      shell: bash
      run: |
        echo "Pushing ${{ inputs.image_name }}:${{ inputs.version }}"
        docker push ${{ inputs.registry }}/${{ inputs.image_name }}:${{ inputs.version }}
        docker push ${{ inputs.registry }}/${{ inputs.image_name }}:${{ github.sha }}

    - name: Summary
      shell: bash
      run: |
        echo "Built and pushed:"
        echo "   ${{ inputs.registry }}/${{ inputs.image_name }}:${{ inputs.version }}"
        echo "   ${{ inputs.registry }}/${{ inputs.image_name }}:${{ github.sha }}"
        echo ""
        echo "Registry tags:"
        curl -sf "https://${{ inputs.registry }}/v2/${{ inputs.image_name }}/tags/list" | jq -r '.tags[]' | sort -V | tail -10 || true