ollama-chat-service.yml

# 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.
# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

name: Ollama Chat Service Publish

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]
    # Publish semver tags as releases.
    tags: [ 'v*.*.*' ]
    paths: [ollama-chat-service/**/*]
    
  pull_request:
    branches: [ "main" ]
    paths: [ollama-chat-service/**/*]

defaults:
 run:
  working-directory: ./ollama-chat-service

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}-ollama-chat-service

jobs:
  build-and-publish:

    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
    - uses: actions/checkout@v4
    - name: Set up JDK 21
      uses: actions/setup-java@v4
      with:
        java-version: '21'
        distribution: 'temurin'
    # Install the cosign tool except on PR
    # https://github.com/sigstore/cosign-installer
    - name: Install cosign
      if: github.event_name != 'pull_request'
      uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
      with:
        cosign-release: 'v2.2.4'

    # Set up BuildKit Docker container builder to be able to build
    # multi-platform images and export cache
    # https://github.com/docker/setup-buildx-action
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
      
    - name: Setup Gradle
      uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0

    - name: Build with Gradle Wrapper
      run: ./gradlew build

    # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
    # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
    - name: Generate and submit dependency graph
      uses: gradle/actions/dependency-submission@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
      with:
        # The gradle project is not in the root of the repository.
        build-root-directory: ollama-chat-service
        # By default, failure to generate a dependency graph will cause the workflow to fail
        dependency-graph-continue-on-failure: true
    
    # Login against a Docker registry except on PR
    # https://github.com/docker/login-action
    - name: Log into registry ${{ env.REGISTRY }}
      if: github.event_name != 'pull_request'
      uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    # Extract metadata (tags, labels) for Docker
    # https://github.com/docker/metadata-action
    - name: Extract Docker metadata
      id: meta
      uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

    # Build and push Docker image with Buildx (don't push on PR)
    # https://github.com/docker/build-push-action
    - name: Build and push Docker image
      id: build-and-push
      uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
      with:
        context: ./ollama-chat-service/
        file: ./ollama-chat-service/src/main/docker/Dockerfile.jvm
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    # Sign the resulting Docker image digest except on PRs.
    # 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 Docker image
      if: ${{ github.event_name != 'pull_request' }}
      env:
        # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
        TAGS: ${{ steps.meta.outputs.tags }}
        DIGEST: ${{ steps.build-and-push.outputs.digest }}
      # This step uses the identity token to provision an ephemeral certificate
      # against the sigstore community Fulcio instance.
      run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}