build-image.yml

name: Build and publish OCI image
on:
  workflow_call:
    inputs:
      image_name:
        type: string
        required: true
      tags:
        type: string
        required: true
      branch:
        type: string
        required: true
      publish:
        type: boolean
        default: false
        required: false

jobs:
  build-image:
    runs-on: ubuntu-latest
    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: ${{ inputs.image_name }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ inputs.branch }}

      - name: Build image
        id: build-image
        uses: redhat-actions/buildah-build@v2
        with:
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ inputs.tags }}
          context: ./${{ env.IMAGE_NAME }}
          containerfiles: |
            ${{ env.IMAGE_NAME }}/Containerfile

      - name: Log in to ghcr.io
        if: inputs.publish == true
        uses: redhat-actions/podman-login@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: t2linux
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Push image to ghcr.io
        if: inputs.publish == true
        uses: redhat-actions/push-to-registry@v2
        with:
          image: ${{ steps.build-image.outputs.image }}
          tags: ${{ steps.build-image.outputs.tags }}
          registry: ${{ env.REGISTRY }}/t2linux