container-image.yml

name: Build container image

on:
  workflow_call:
    inputs:
      push-image:
        type: boolean
        required: true
    outputs:
      repository:
        description: "Repository used to build the container image"
        value: ${{ jobs.build.outputs.repository }}
      tag:
        description: "Tag used to build the container image"
        value: ${{ jobs.build.outputs.tag }}
      digest:
        description: "Image digest"
        value: ${{ jobs.build.outputs.digest }}

jobs:
  build:
    name: Build container image
    permissions:
      packages: write
    runs-on: ubuntu-latest
    outputs:
      repository: ${{ steps.setoutput.outputs.repository }}
      tag: ${{ steps.setoutput.outputs.tag }}
      artifact: ${{ steps.setoutput.outputs.artifact }}
      digest: ${{ steps.setoutput.outputs.digest }}
    steps:
      - name: Checkout code
        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
      - name: Set up QEMU
        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
      - name: Login to GitHub Container Registry
        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Retrieve tag name (main branch)
        if: ${{ startsWith(github.ref, 'refs/heads/main') }}
        run: |
          echo TAG_NAME=latest >> $GITHUB_ENV
          echo IMG_REPOSITORY_NAME=$( echo ${{ github.repository_owner }} | awk '{print tolower($0)}' ) >> $GITHUB_ENV
      - name: Retrieve tag name (feat branch)
        if: ${{ startsWith(github.ref, 'refs/heads/feat') }}
        run: |
          echo "TAG_NAME=latest-$(echo ${GITHUB_REF#refs/heads/})" >> $GITHUB_ENV
          echo IMG_REPOSITORY_NAME=$( echo ${{ github.repository_owner }} | awk '{print tolower($0)}' ) >> $GITHUB_ENV
      - name: Retrieve tag name (tag)
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        run: |
          echo TAG_NAME=$(echo $GITHUB_REF | sed -e "s|refs/tags/||") >> $GITHUB_ENV
          echo IMG_REPOSITORY_NAME=$( echo ${{ github.repository_owner }} | awk '{print tolower($0)}' ) >> $GITHUB_ENV
      - name: Build and push container image
        if: ${{ inputs.push-image }}
        id: build-image
        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64, linux/arm64
          push: true
          tags: |
            ghcr.io/${{ env.IMG_REPOSITORY_NAME }}/kwasm-operator:${{ env.TAG_NAME }}
      - id: setoutput
        name: Set output parameters
        run: |
          echo "repository=ghcr.io/${{ env.IMG_REPOSITORY_NAME }}/kwasm-operator" >> $GITHUB_OUTPUT
          echo "tag=${{ env.TAG_NAME }}" >> $GITHUB_OUTPUT
          echo "digest=${{ steps.build-image.outputs.digest }}" >> $GITHUB_OUTPUT