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‎.github/workflows/release-ghcr.yaml‎

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name: Upload to ghcr.io
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on:
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push:
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tags:
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- '**'
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# GITHUB_SHA: Last commit in the tagged release
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# GITHUB_REF: Tag ref of release refs/tags/<tag_name>
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release:
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types:
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- published
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# GITHUB_SHA: Last commit on the GITHUB_REF branch or tag
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# GITHUB_REF: Branch or tag that received dispatch
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workflow_dispatch: {}
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permissions:
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contents: read
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packages: write
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env:
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# Only to avoid some repetition
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FLAKE_REF: github:${{ github.repository }}/${{ github.ref_name }}
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GH_TOKEN: ${{ github.token }}
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jobs:
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wait-for-hydra:
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name: "Wait for hydra check-runs"
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runs-on: ubuntu-latest
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steps:
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- name: Waiting for ci/hydra-build:required to complete
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run: |
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while [[ true ]]; do
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check_name='ci/hydra-build:required'
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conclusion=$(gh api "repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/check-runs?check_name=$check_name" --paginate --jq '.check_runs[].conclusion')
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case "$conclusion" in
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success)
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echo "$check_name succeeded"
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exit 0;;
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'')
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echo "$check_name pending. Waiting 30s..."
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sleep 30;;
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*)
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echo "$check_name terminated unsuccessfully"
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exit 1;;
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esac
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done
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prepare:
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needs: [wait-for-hydra]
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name: "Prepare metadata"
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runs-on: ubuntu-latest
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outputs:
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LATEST_TAG: ${{ steps.latest-tag.outputs.LATEST_TAG }}
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LOCKED_URL: ${{ steps.flake-metadata.outputs.LOCKED_URL }}
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steps:
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- name: Install Nix
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uses: cachix/install-nix-action@v31
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- name: Display flake metadata
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id: flake-metadata
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run: |
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nix flake metadata ${{ env.FLAKE_REF }}
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nix flake metadata ${{ env.FLAKE_REF }} --json | jq -r '"LOCKED_URL=\(.url)"' >> "$GITHUB_OUTPUT"
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- name: Obtaining latest release tag
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id: latest-tag
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run: |
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LATEST_TAG=$(gh api repos/$GITHUB_REPOSITORY/releases/latest --paginate --jq '.tag_name')
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echo "LATEST_TAG=$LATEST_TAG" >> "$GITHUB_OUTPUT"
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echo "Latest release tag is: $LATEST_TAG"
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build:
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needs: [prepare]
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name: "Upload to ghcr.io"
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runs-on: ubuntu-latest
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strategy:
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matrix:
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arch:
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- name: amd64
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system: x86_64-linux
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- name: arm64
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system: aarch64-linux
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image:
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- name: dmq-node
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nix_key: docker-hydra
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steps:
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- name: Install Nix
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uses: cachix/install-nix-action@v31
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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# NOTE We assume that hydra has already built the image, this is
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# reasonable since, before applying the tag, we must have already
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# pushed the tagged commit somewhere, and Hydra will have had the
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# change to build the image.
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- name: Uploading ${{ matrix.image.name }} (${{ matrix.arch.name }})
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run: |
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echo "::group::Downloading from cache"
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nix build \
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--accept-flake-config \
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--print-out-paths \
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--builders "" \
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--max-jobs 0 \
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--out-link ./result-${{ matrix.image.name }}-${{ matrix.arch.name }} \
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${{ needs.prepare.outputs.LOCKED_URL }}#packages.${{ matrix.arch.system }}.${{ matrix.image.nix_key }}
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echo "::endgroup::"
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echo "::group::Uploading to registry"
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skopeo copy \
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docker-archive:./result-${{ matrix.image.name }}-${{ matrix.arch.name }} \
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docker://ghcr.io/intersectmbo/${{ matrix.image.name }}:$GITHUB_REF_NAME-${{ matrix.arch.name }}
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echo "::endgroup::"
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create-manifest:
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needs: [prepare, build]
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name: "Create Multi-Arch Manifest"
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runs-on: ubuntu-latest
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steps:
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- name: Install Nix
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uses: cachix/install-nix-action@v31
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# Regctl simplifies obtaining multi-arch digests
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- name: Install Nix Profile Commands
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run: nix profile install nixpkgs#regctl
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# The docker buildx action has a tight coupling with GH runners
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- name: Setup Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Show buildx configuration
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run: docker buildx ls
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Create Manifests
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run: |
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REPOS=(cardano-node cardano-submit-api cardano-tracer)
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ARCHES=(amd64 arm64)
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for REPO in "${REPOS[@]}"; do
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IMAGE_REPO="ghcr.io/intersectmbo/$REPO"
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DIGESTS=()
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echo "::group::Fetching digests for $REPO"
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for ARCH in "${ARCHES[@]}"; do
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DIGEST=$(skopeo inspect --no-tags "docker://$IMAGE_REPO:$GITHUB_REF_NAME-$ARCH" | jq -r .Digest)
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echo "$REPO $ARCH digest: $DIGEST"
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DIGESTS+=("$IMAGE_REPO@$DIGEST")
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done
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echo "::endgroup::"
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echo "::group::Creating manifest for $REPO:$GITHUB_REF_NAME"
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docker buildx imagetools create --tag "$IMAGE_REPO:$GITHUB_REF_NAME" "${DIGESTS[@]}"
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echo "::endgroup::"
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done
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- name: Verify multi-arch manifests
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run: |
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for REPO in cardano-node cardano-submit-api cardano-tracer; do
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IMAGE_REPO="ghcr.io/intersectmbo/$REPO"
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echo "::group::Inspecting $REPO:$GITHUB_REF_NAME"
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DIGEST=$(regctl manifest head "$IMAGE_REPO:$GITHUB_REF_NAME")
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echo "$REPO multi-arch manifest digest: $DIGEST"
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skopeo inspect --raw "docker://$IMAGE_REPO:$GITHUB_REF_NAME" | jq
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echo "::endgroup::"
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done
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- name: Tag Containers as :latest
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# Github releases are checked for latest tag in the first `or` operand of
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# the if statement. However, promoted pre-releases or changed full
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# releases do not count as a `published` event and so won't trigger
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# this workflow. For those use cases a manual workflow must be run
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# from the matching release tag which the second `or` operand checks
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# for.
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if: |
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(github.event_name == 'release' && github.event.release.tag_name == needs.prepare.outputs.LATEST_TAG) ||
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(github.event_name == 'workflow_dispatch' && github.ref == format('refs/tags/{0}', needs.prepare.outputs.LATEST_TAG))
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run: |
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REPOS=(cardano-node cardano-submit-api cardano-tracer)
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for REPO in "${REPOS[@]}"; do
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IMAGE_REPO="ghcr.io/intersectmbo/$REPO"
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DIGEST=$(regctl manifest head "$IMAGE_REPO:$GITHUB_REF_NAME")
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echo "::group::Creating manifest for $IMAGE_REPO:latest"
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docker buildx imagetools create --tag "$IMAGE_REPO:latest" "$IMAGE_REPO@$DIGEST"
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echo "::endgroup::"
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done

‎nix/outputs.nix‎

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# (inputs.self.rev or inputs.self.dirtyShortRev)
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project.projectCross.musl64.hsPkgs.dmq-node.components.exes.dmq-node;
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default = dmq-node;
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docker-dmq = pkgs.dockerTools.buildImage {
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name = "docker-dmq";
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tag = "latest";
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created = "now";
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copyToRoot = pkgs.buildEnv {
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name = "dmq-env";
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paths = [
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pkgs.busybox
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pkgs.dockerTools.caCertificates
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];
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};
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config = {
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Entrypoint = [ "${packages.dmq-node-static}/bin/dmq-node-static" ];
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};
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};
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};
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app = {

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