open-webui/.github/workflows/docker-build.yaml

#
name: Create and publish a Docker image

# Configures this workflow to run every time a change is pushed to the branch called `release`.
on:
  workflow_dispatch:
  push:
    branches:
      - main
      - dev
    tags:
      - v*

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write
      #
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      # Required for multi architecture build
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      # Required for multi architecture build
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker images
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          # This configuration dynamically generates tags based on the branch, tag, commit, and custom suffix for lite version.
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=sha,prefix=git-
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}            
          flavor: |
            latest=${{ github.ref == 'refs/heads/main' }}            

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}