github-workflows/.github/workflows/docker-build-push-github.yaml at main · strg-at/github-workflows · GitHub

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---
name: build and push docker image to github

on:
  workflow_call:
    inputs:
      runner:
        description: '["some-runners"]'
        required: true
        type: string
      registry:
        description: "registry url"
        required: false
        type: string
        default: "ghcr.io"
      subpath:
        description: "subpath to image name, f.e. integration/app-name"
        required: true
        type: string
      tags:
        description: "tags for image - default sha"
        required: false
        type: string
        default: ${{ github.sha }}
      platforms:
        description: "define multi-platform images"
        required: false
        type: string
      file:
        description: "path to Dockerfile"
        required: false
        type: string
      free-disk-space:
        description: "boolean to free disk space before build - default false"
        required: false
        type: boolean
        default: false
      context:
        description: "build context - default ."
        required: false
        type: string
        default: .

    outputs:
      metadata:
        description: "docker metadata"
        value: ${{ jobs.docker-build-push-github.outputs.metadata }}

jobs:
  docker-build-push-github:
    name: github
    runs-on: ${{fromJSON(inputs.runner)}}
    permissions:
      contents: read
      id-token: write
      packages: write
    env:
      image-path: ${{ inputs.registry }}/${{ github.repository }}/${{ inputs.subpath }}
    outputs:
      metadata: ${{ steps.meta.outputs.json }}

    steps:
      # https://github.com/marketplace/actions/checkout
      - name: checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      # https://github.com/marketplace/actions/cosign-installer
      - name: setup cosign
        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0

      # https://github.com/marketplace/actions/docker-setup-buildx
      - name: setup docker buildx
        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

      # https://github.com/marketplace/actions/docker-login
      - name: log into registry
        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
        with:
          registry: ${{ inputs.registry }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # https://github.com/marketplace/actions/docker-metadata-action
      - name: extract metadata for docker
        id: meta
        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
        with:
          images: ${{ env.image-path }}
          tags: ${{ inputs.tags }}

      # https://github.com/marketplace/actions/free-disk-space-ubuntu-runners
      - name: free disk space
        if: ${{ inputs.free-disk-space }}
        uses: endersonmenezes/free-disk-space@e6ed9b02e683a3b55ed0252f1ee469ce3b39a885 # v3
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true

      # https://github.com/marketplace/actions/build-and-push-docker-images
      - name: build and push docker image
        id: build-and-push
        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6.19.2
        with:
          push: true
          platforms: ${{ inputs.platforms }}
          file: ${{ inputs.file }}
          context: ${{ inputs.context }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false

      # https://github.com/sigstore/cosign
      - name: sign the published docker image
        run: cosign sign --yes ${{ env.image-path }}@${{ steps.build-and-push.outputs.digest }}