name: Docker

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  push:
    branches:
      - main
  release:
    types: [published]
  pull_request:
    branches:
      - main

jobs:
  docker-push-base:
    if: ${{ github.event_name != 'pull_request' && github.repository == 'Kav-K/GPT3Discord' }}
    runs-on: ubuntu-20.04
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      #Add swap for building arm64 image
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@v1.0
        with:
          swap-size-gb: 10

      - name: Checkout repository
        uses: actions/checkout@v3

      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        uses: sigstore/cosign-installer@v2
        with:
          cosign-release: 'v1.13.1'

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

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          flavor: |
            latest=auto
            suffix=-base,onlatest=true
          tags: |
            type=semver,pattern={{raw}}
            type=ref,event=branch
          images: |
            kaveenk/gpt3discord
            ghcr.io/${{ github.repository }}

      - name: Check if release
        uses: haya14busa/action-cond@v1
        id: isRelease
        with:
          cond: ${{ github.event_name == 'release' }}
          if_true: 'linux/amd64,linux/arm64'
          if_false: 'linux/amd64'

      # Build and push Docker image with Buildx
      - name: Build and push base Docker image
        id: build-and-push-base
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}-base
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: ${{ steps.isRelease.outputs.value }}


      # Sign the resulting Docker image digest
      # This will only write to the public Rekor transparency log when the Docker
      # repository is public to avoid leaking data.  If you would like to publish
      # transparency data even for private images, pass --force to cosign below.
      # https://github.com/sigstore/cosign
      - name: Sign the published base Docker image
        env:
          COSIGN_EXPERIMENTAL: "true"
        # This step uses the identity token to provision an ephemeral certificate
        # against the sigstore community Fulcio instance.
        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push-base.outputs.digest }}
   

  docker-push-full:
    if: ${{ github.event_name != 'pull_request' && github.repository == 'Kav-K/GPT3Discord' }}
    runs-on: ubuntu-20.04
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@v1.0
        with:
          swap-size-gb: 10

      - name: Checkout repository
        uses: actions/checkout@v3

      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        uses: sigstore/cosign-installer@v2
        with:
          cosign-release: 'v1.13.1'

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

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          flavor: |
            latest=auto
            suffix=-full,onlatest=true
          tags: |
            type=semver,pattern={{raw}}
            type=ref,event=branch
          images: |
            kaveenk/gpt3discord
            ghcr.io/${{ github.repository }}

      - name: Check if release
        uses: haya14busa/action-cond@v1
        id: isRelease
        with:
          cond: ${{ github.event_name == 'release' }}
          if_true: 'linux/amd64,linux/arm64'
          if_false: 'linux/amd64'

      # Build and push Docker image with Buildx
      # https://github.com/docker/build-push-action
      - name: Build and push full Docker image
        id: build-and-push-full
        uses: docker/build-push-action@v4
        with:
          build-args: FULL=true
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}-full
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: ${{ steps.isRelease.outputs.value }}


      # Sign the resulting Docker image digest
      # This will only write to the public Rekor transparency log when the Docker
      # repository is public to avoid leaking data.  If you would like to publish
      # transparency data even for private images, pass --force to cosign below.
      # https://github.com/sigstore/cosign
      - name: Sign the published full Docker image
        env:
          COSIGN_EXPERIMENTAL: "true"
        # This step uses the identity token to provision an ephemeral certificate
        # against the sigstore community Fulcio instance.
        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push-full.outputs.digest }}


  docker-pr:
    # Only builds amd64 due to arm64 being slow
    if: ${{ github.event_name == 'pull_request' && github.repository == 'Kav-K/GPT3Discord' }}
    runs-on: ubuntu-20.04
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            kaveenk/gpt3discord
            ghcr.io/${{ github.repository }}

      - name: Build and push base Docker image
        id: build-and-push-base
        uses: docker/build-push-action@v4
        with:
          context: .
          push: false
          tags: ${{ steps.meta.outputs.tags }}-base
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64

      - name: Build and push full Docker image
        id: build-and-push-full
        uses: docker/build-push-action@v4
        with:
          build-args: FULL=true
          context: .
          push: false
          tags: ${{ steps.meta.outputs.tags }}-full
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64