publish-image.yaml

name: "Publish image"

on:
  push:
    branches: [ main ]
    tags: [ 'v*' ]

  workflow_dispatch:

jobs:
  publish:
    name: Publish container images
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Describe the current state
        run: git describe --tags

      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v3.7.0
        with:
          images: ghcr.io/os-observability/redhat-opentelemetry-collector/redhat-opentelemetry-collector
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{raw}}
            type=ref,event=branch

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1.2.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1.6.0

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to GitHub Package Registry
        uses: docker/login-action@v1.14.1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push collector image
        uses: docker/build-push-action@v2.10.0
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache