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Emit build manifest.json as release asset and artifact
Each build job writes a manifest part (version, variant, platforms, tags, digest) and uploads it as an artifact. New publish-manifest job merges parts and creates a GitHub Release with manifest.json so consumers can fetch the latest build map at a stable URL.
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‎.github/workflows/buildAndPub.yml‎

Lines changed: 170 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,9 @@ on:
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branches:
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- "main"
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permissions:
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contents: write
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jobs:
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prepare-matrix:
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runs-on: blacksmith-2vcpu-ubuntu-2404
@@ -36,7 +39,7 @@ jobs:
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# Get platforms from manifest
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if manifest=$(docker manifest inspect "node:$version-alpine" 2>/dev/null); then
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# Extract all valid platforms (excluding unknown)
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platforms=$(echo "$manifest" | jq -r '.manifests[] |
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platforms=$(echo "$manifest" | jq -r '.manifests[] |
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select(.platform.os != "unknown" and .platform.architecture != "unknown") |
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if .platform.variant then
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"linux/" + .platform.architecture + "/" + .platform.variant
@@ -155,6 +158,7 @@ jobs:
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fi
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- name: Build
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id: build_image
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uses: docker/build-push-action@v7
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with:
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build-args: |
@@ -168,6 +172,31 @@ jobs:
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betterweb/node:${{matrix.tag.major}}
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${{ steps.is_latest.outputs.IS_LATEST == 'true' && 'betterweb/node:latest' || '' }}
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- name: Write manifest part
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run: |
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TAGS=$(jq -nc \
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--arg v "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--arg m "${{ matrix.tag.major }}" \
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--arg latest "${{ steps.is_latest.outputs.IS_LATEST }}" \
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'[("betterweb/node:" + $v), ("betterweb/node:" + $m)] + (if $latest == "true" then ["betterweb/node:latest"] else [] end)')
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PLATFORMS=$(echo "${{ matrix.tag.platforms }}" | jq -Rc 'split(",")')
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jq -n \
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--arg version "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--argjson major ${{ matrix.tag.major }} \
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--arg variant "base" \
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--argjson platforms "$PLATFORMS" \
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--argjson tags "$TAGS" \
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--arg digest "${{ steps.build_image.outputs.digest }}" \
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--argjson is_latest ${{ steps.is_latest.outputs.IS_LATEST }} \
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'{version:$version, major:$major, variant:$variant, platforms:$platforms, tags:$tags, digest:$digest, is_latest:$is_latest}' \
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> part.json
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cat part.json
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- uses: actions/upload-artifact@v4
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with:
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name: manifest-part-base-${{ matrix.tag.major }}
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path: part.json
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build-dev:
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needs: [prepare-matrix, build]
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runs-on: blacksmith-2vcpu-ubuntu-2404
@@ -206,6 +235,7 @@ jobs:
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fi
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- name: Build and push dev image
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id: build_image
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uses: docker/build-push-action@v7
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with:
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context: .
@@ -219,6 +249,30 @@ jobs:
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betterweb/node:dev-${{matrix.tag.major}}
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${{ steps.is_latest.outputs.IS_LATEST == 'true' && 'betterweb/node:dev' || '' }}
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- name: Write manifest part
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run: |
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TAGS=$(jq -nc \
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--arg v "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--arg m "${{ matrix.tag.major }}" \
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--arg latest "${{ steps.is_latest.outputs.IS_LATEST }}" \
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'[("betterweb/node:dev-" + $v), ("betterweb/node:dev-" + $m)] + (if $latest == "true" then ["betterweb/node:dev"] else [] end)')
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jq -n \
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--arg version "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--argjson major ${{ matrix.tag.major }} \
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--arg variant "dev" \
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--argjson platforms '["linux/amd64"]' \
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--argjson tags "$TAGS" \
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--arg digest "${{ steps.build_image.outputs.digest }}" \
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--argjson is_latest ${{ steps.is_latest.outputs.IS_LATEST }} \
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'{version:$version, major:$major, variant:$variant, platforms:$platforms, tags:$tags, digest:$digest, is_latest:$is_latest}' \
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> part.json
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cat part.json
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- uses: actions/upload-artifact@v4
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with:
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name: manifest-part-dev-${{ matrix.tag.major }}
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path: part.json
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build-devcontainers:
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needs: prepare-matrix
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runs-on: blacksmith-2vcpu-ubuntu-2404
@@ -257,6 +311,7 @@ jobs:
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fi
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- name: Build and push devcontainer image
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id: build_image
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uses: docker/build-push-action@v7
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with:
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context: .
@@ -270,6 +325,30 @@ jobs:
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betterweb/node:devcontainer-${{matrix.tag.major}}
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${{ steps.is_latest.outputs.IS_LATEST == 'true' && 'betterweb/node:devcontainer-latest' || '' }}
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- name: Write manifest part
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run: |
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TAGS=$(jq -nc \
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--arg v "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--arg m "${{ matrix.tag.major }}" \
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--arg latest "${{ steps.is_latest.outputs.IS_LATEST }}" \
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'[("betterweb/node:devcontainer-" + $v), ("betterweb/node:devcontainer-" + $m)] + (if $latest == "true" then ["betterweb/node:devcontainer-latest"] else [] end)')
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jq -n \
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--arg version "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--argjson major ${{ matrix.tag.major }} \
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--arg variant "devcontainer" \
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--argjson platforms '["linux/amd64"]' \
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--argjson tags "$TAGS" \
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--arg digest "${{ steps.build_image.outputs.digest }}" \
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--argjson is_latest ${{ steps.is_latest.outputs.IS_LATEST }} \
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'{version:$version, major:$major, variant:$variant, platforms:$platforms, tags:$tags, digest:$digest, is_latest:$is_latest}' \
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> part.json
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cat part.json
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- uses: actions/upload-artifact@v4
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with:
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name: manifest-part-devcontainer-${{ matrix.tag.major }}
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path: part.json
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build-dind:
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needs: [prepare-matrix, build]
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runs-on: blacksmith-2vcpu-ubuntu-2404
@@ -308,6 +387,7 @@ jobs:
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fi
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- name: Build and push dind image
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id: build_image
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uses: docker/build-push-action@v7
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with:
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context: .
@@ -320,3 +400,92 @@ jobs:
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betterweb/node:dind-${{steps.parse_version.outputs.PARSED_VERSION}}
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betterweb/node:dind-${{matrix.tag.major}}
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${{ steps.is_latest.outputs.IS_LATEST == 'true' && 'betterweb/node:dind-latest' || '' }}
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- name: Write manifest part
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run: |
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TAGS=$(jq -nc \
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--arg v "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--arg m "${{ matrix.tag.major }}" \
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--arg latest "${{ steps.is_latest.outputs.IS_LATEST }}" \
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'[("betterweb/node:dind-" + $v), ("betterweb/node:dind-" + $m)] + (if $latest == "true" then ["betterweb/node:dind-latest"] else [] end)')
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jq -n \
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--arg version "${{ steps.parse_version.outputs.PARSED_VERSION }}" \
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--argjson major ${{ matrix.tag.major }} \
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--arg variant "dind" \
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--argjson platforms '["linux/amd64"]' \
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--argjson tags "$TAGS" \
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--arg digest "${{ steps.build_image.outputs.digest }}" \
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--argjson is_latest ${{ steps.is_latest.outputs.IS_LATEST }} \
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'{version:$version, major:$major, variant:$variant, platforms:$platforms, tags:$tags, digest:$digest, is_latest:$is_latest}' \
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> part.json
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cat part.json
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- uses: actions/upload-artifact@v4
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with:
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name: manifest-part-dind-${{ matrix.tag.major }}
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path: part.json
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publish-manifest:
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needs: [prepare-matrix, build, build-dev, build-devcontainers, build-dind]
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runs-on: blacksmith-2vcpu-ubuntu-2404
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steps:
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- uses: actions/download-artifact@v4
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with:
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pattern: manifest-part-*
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merge-multiple: true
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path: parts/
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- name: Merge manifest parts
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run: |
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TIMESTAMP=$(date -u +%Y-%m-%dT%H:%M:%SZ)
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LATEST_VERSION="${{ needs.prepare-matrix.outputs.latest }}"
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LATEST_VERSION_STRIPPED="${LATEST_VERSION#v}"
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jq -s \
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--arg ts "$TIMESTAMP" \
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--arg latest "$LATEST_VERSION_STRIPPED" \
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--arg run_id "${{ github.run_id }}" \
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--arg run_number "${{ github.run_number }}" \
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--arg sha "${{ github.sha }}" \
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'{
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build: {
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run_id: ($run_id | tonumber),
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run_number: ($run_number | tonumber),
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sha: $sha,
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timestamp: $ts
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},
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latest: $latest,
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builds: (
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group_by(.version)
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| map({
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version: .[0].version,
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major: .[0].major,
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is_latest: .[0].is_latest,
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platforms: (map(.platforms) | add | unique),
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variants: (
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map({(.variant): {tags: .tags, platforms: .platforms, digest: .digest}}) | add
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)
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})
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| sort_by(.major) | reverse
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)
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}' parts/*.json > manifest.json
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cat manifest.json
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- uses: actions/upload-artifact@v4
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with:
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name: manifest
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path: manifest.json
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- name: Create release
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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TAG="build-${{ github.run_number }}"
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TITLE="Build #${{ github.run_number }} — node ${{ needs.prepare-matrix.outputs.latest }}"
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# Drop existing release+tag if re-running the same workflow.
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gh release delete "$TAG" -y --cleanup-tag 2>/dev/null || true
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gh release create "$TAG" \
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--title "$TITLE" \
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--notes "Auto-generated manifest of betterweb/node multi-arch builds. Fetch latest via: https://github.com/${{ github.repository }}/releases/latest/download/manifest.json" \
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--latest \
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manifest.json

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