# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: "Build and push a generic container image"

on:
  workflow_call:
    inputs:
      image_name:
        required: true
        type: string
      docker_context:
        required: true
        type: string

permissions:
  packages: write

env:
  REGISTRY: ghcr.io

jobs:
  build-push-generic-container-image:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set image version
        run: echo IMAGE_VERSION=$(date +'%Y%m%d') >> $GITHUB_ENV

      - name: Normalise image name
        run: echo IMAGE_NAME=$(echo '${{ github.repository_owner }}/${{ inputs.image_name }}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

      - name: Login to GHCR
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: ${{ inputs.docker_context }}
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_VERSION }}
          labels: |
            org.opencontainers.image.licenses=Apache-2.0
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.title=${{ inputs.image_name }}
            org.opencontainers.image.vendor=Google LLC
            org.opencontainers.image.version=${{ env.IMAGE_VERSION }}