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# This workflow will publish a docker image for every full release to the GitHub package repository
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name: Create Docker Image (Release and Staging)
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on:
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  release:
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    # Allow pre-releases
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    types: [published]
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  schedule:
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    # Build the staging image everyday at 00:00 UTC
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    - cron: "0 0 * * *"
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  push:
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    # Temporary workaround
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    branches:
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      - release
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env:
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  # This should allow creation of docker images even in forked repositories
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  REPO: ${{ github.repository }}
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  REGISTRY: ghcr.io
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jobs:
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  build:
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    if: github.repository == 'SillyTavern/SillyTavern'
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    runs-on: ubuntu-latest
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    steps:
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      # Workaround for GitHub repo names containing uppercase characters
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      - name: Set lowercase repo name
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        run: |
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          echo "IMAGE_NAME=${REPO,,}" >> ${GITHUB_ENV}
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      # Using the following workaround because currently GitHub Actions
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      # does not support logical AND/OR operations on triggers
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      # It's currently not possible to have `branches` under the `schedule` trigger
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      - name: Checkout the release branch (on release)
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        if: ${{ github.event_name == 'release' || github.event_name == 'push' }}
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        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
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        with:
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          ref: "release"
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      - name: Checkout the staging branch
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        if: ${{ github.event_name == 'schedule' }}
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        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
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        with:
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          ref: "staging"
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      # Get current branch name
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      # This is also part of the workaround for Actions not allowing logical
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      # AND/OR operators on triggers
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      # Otherwise the action triggered by schedule always has ref_name = release
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      - name: Get the current branch name
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        run: |
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          echo "BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)" >> ${GITHUB_ENV}
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      # Setting up QEMU for multi-arch image build
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      - name: Set up QEMU
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        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3
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      - name: Set up Docker Buildx
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        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
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      - name: Extract metadata (tags, labels) for the image
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        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
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        id: metadata
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        with:
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          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
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          # Release version tag if the workflow is triggered by a release
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          # Branch name tag if the workflow is triggered by a push
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          # Latest tag if the branch is release and the workflow is triggered by a push
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          tags: |
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            ${{ github.event_name == 'release' && github.ref_name || env.BRANCH_NAME }}
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            ${{ github.event_name == 'push' && env.BRANCH_NAME == 'release' && 'latest' || '' }}
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      # Login into package repository as the person who created the release
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      - name: Log in to the Container registry
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        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
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        with:
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          registry: ${{ env.REGISTRY }}
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          username: ${{ github.actor }}
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          password: ${{ secrets.GITHUB_TOKEN }}
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      # Build docker image using dockerfile for amd64 and arm64
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      # Tag it with branch name
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      # Assumes branch name is the version number
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      - name: Build and push
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        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
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        with:
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          context: .
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          platforms: linux/amd64,linux/arm64
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          file: Dockerfile
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          push: true
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          tags: ${{ steps.metadata.outputs.tags }}
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          labels: ${{ steps.metadata.outputs.labels }}