docker.yaml

name: docker

on:
  push:
    tags:
      - "v*"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/atlantis

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - id: docker_meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - id: docker_build
        name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          platforms: linux/amd64
          push: true
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}

      - name: Install Cosign
        uses: sigstore/cosign-installer@main

      - name: Sign image with a key
        run: |
          cosign sign --key env://COSIGN_PRIVATE_KEY ${IMAGE_NAME,,}@${IMAGE_DIGEST} --yes
        env:
          IMAGE_NAME: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          IMAGE_DIGEST: ${{ steps.docker_build.outputs.digest }}
          COSIGN_PRIVATE_KEY: ${{secrets.COSIGN_PRIVATE_KEY}}
          COSIGN_PASSWORD: ${{secrets.COSIGN_PASSWORD}}