ci: publish beyond-objects image to ghcr

.dockerignore

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+target
+**/node_modules
+.git

.github/workflows/release-image.yml

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+name: Release image
+on:
+  push:
+    tags:
+      - api-v*
+permissions:
+  contents: read
+  packages: write
+env:
+  IMAGE: ghcr.io/beyondoss/beyond-objects
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runs-on: ubuntu-latest
+            arch: amd64
+          - runs-on: ubuntu-24.04-arm
+            arch: arm64
+    runs-on: ${{ matrix.runs-on }}
+    steps:
+      - uses: actions/checkout@v6
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/${{ matrix.arch }}
+          outputs: type=image,name=${{ env.IMAGE }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha,scope=image-${{ matrix.arch }}
+          cache-to: type=gha,mode=max,scope=image-${{ matrix.arch }}
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - uses: actions/upload-artifact@v4
+        with:
+          name: digest-${{ matrix.arch }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs: [build]
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digest-*
+          merge-multiple: true
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Resolve version
+        id: meta
+        run: echo "version=${GITHUB_REF_NAME#api-v}" >> "$GITHUB_OUTPUT"
+      - name: Create manifest list
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create \
+            -t ${{ env.IMAGE }}:${{ steps.meta.outputs.version }} \
+            -t ${{ env.IMAGE }}:latest \
+            $(printf '${{ env.IMAGE }}@sha256:%s ' *)
+      - name: Inspect
+        run: docker buildx imagetools inspect ${{ env.IMAGE }}:${{ steps.meta.outputs.version }}

Dockerfile

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+# syntax=docker/dockerfile:1
+# Slim release image for the beyond-objects server, published to
+# ghcr.io/beyondoss/beyond-objects for local-dev / docker-compose use.
+# Built and run on ubuntu:24.04 (noble) to match the production rootfs.
+FROM ubuntu:24.04 AS builder
+ENV DEBIAN_FRONTEND=noninteractive \
+    RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH
+RUN apt-get update && apt-get install -y --no-install-recommends \
+      build-essential curl ca-certificates clang libclang-dev pkg-config \
+      libssl-dev protobuf-compiler \
+    && rm -rf /var/lib/apt/lists/*
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
+      | sh -s -- -y --default-toolchain 1.92.0 --profile minimal
+WORKDIR /src
+COPY . .
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/src/target,sharing=locked \
+    cargo build --release --bin beyond-objects \
+    && cp /src/target/release/beyond-objects /usr/local/bin/beyond-objects \
+    && strip /usr/local/bin/beyond-objects
+
+FROM ubuntu:24.04
+RUN apt-get update && apt-get install -y --no-install-recommends \
+      ca-certificates curl openssl \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /usr/local/bin/beyond-objects /usr/local/bin/beyond-objects
+EXPOSE 9000
+ENTRYPOINT ["/usr/local/bin/beyond-objects", "serve"]