feat(key-provider): single-container image with systemd lifecycle

.github/workflows/key-provider-release.yml

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+# SPDX-FileCopyrightText: © 2025 Phala Network <dstack@phala.network>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: Key Provider Release
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'key-provider-v*'
+permissions:
+  attestations: write
+  id-token: write
+  contents: write
+  packages: write
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Parse version from tag
+        run: |
+          # Extract version from tag (e.g., key-provider-v1.2.3 -> 1.2.3)
+          VERSION=${GITHUB_REF#refs/tags/key-provider-v}
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+          echo "Parsed version: $VERSION"
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Get Git commit timestamps
+        run: |
+          echo "TIMESTAMP=$(git log -1 --pretty=%ct)" >> $GITHUB_ENV
+          echo "GIT_REV=$(git rev-parse HEAD)" >> $GITHUB_ENV
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v5
+        env:
+          SOURCE_DATE_EPOCH: ${{ env.TIMESTAMP }}
+        with:
+          context: key-provider-build
+          push: true
+          tags: |
+            ${{ vars.DOCKERHUB_ORG }}/dstack-gramine-key-provider:${{ env.VERSION }}
+            ghcr.io/dstack-tee/dstack/dstack-gramine-key-provider:${{ env.VERSION }}
+          platforms: linux/amd64
+          provenance: false
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: "docker.io/${{ vars.DOCKERHUB_ORG }}/dstack-gramine-key-provider"
+          subject-digest: ${{ steps.build-and-push.outputs.digest }}
+          push-to-registry: true
+
+      - name: GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          name: "Key Provider Release v${{ env.VERSION }}"
+          body: |
+            ## Docker Image Information
+
+            **Image**: `docker.io/${{ vars.DOCKERHUB_ORG }}/dstack-gramine-key-provider:${{ env.VERSION }}`
+
+            **Digest (SHA256)**: `${{ steps.build-and-push.outputs.digest }}`
+
+            **Verification**: [Verify on Sigstore](https://search.sigstore.dev/?hash=${{ steps.build-and-push.outputs.digest }})

key-provider-build/Dockerfile

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+# SPDX-FileCopyrightText: © 2024-2025 Phala Network <dstack@phala.network>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# Stage 1: Build
+FROM gramineproject/gramine:1.9-jammy@sha256:84b3d222e0bd9ab941f0078a462af0dbc5518156b99b147c10a7b83722ac0c38 AS builder
+
+RUN apt-get update && apt-get install -y \
+        git \
+        build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain 1.85 -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+ENV SGX=1 DEBUG=0 DEV_MODE=0 RUST_LOG=info
+
+RUN git clone https://github.com/MoeMahhouk/gramine-sealing-key-provider && \
+    cd gramine-sealing-key-provider && \
+    git checkout 180ff4691dce5aae7cd7d6c1344c3e1ec872f174
+
+WORKDIR /gramine-sealing-key-provider
+COPY Cargo.lock .
+
+RUN make target/release/gramine-sealing-key-provider && \
+    gramine-sgx-gen-private-key && \
+    make RUST_LOG=info
+
+# Stage 2: Runtime
+# Same base image = same /lib/x86_64-linux-gnu/ (except libgcc-s1 from build-essential)
+FROM gramineproject/gramine:1.9-jammy@sha256:84b3d222e0bd9ab941f0078a462af0dbc5518156b99b147c10a7b83722ac0c38
+
+# libgcc-s1: only /lib/x86_64-linux-gnu/ addition from build-essential, needed for manifest hash match
+# libsgx-dcap-default-qpl: not in base image, needed by aesmd for DCAP
+RUN curl -fsSL https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key \
+        | gpg --dearmor -o /usr/share/keyrings/intel-sgx-deb.gpg && \
+    echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/intel-sgx-deb.gpg] https://download.01.org/intel-sgx/sgx_repo/ubuntu jammy main' \
+        > /etc/apt/sources.list.d/intel-sgx.list && \
+    apt-get update && apt-get install -y \
+        libgcc-s1 \
+        libsgx-dcap-default-qpl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /gramine-sealing-key-provider/target/release/gramine-sealing-key-provider /gramine-sealing-key-provider/target/release/gramine-sealing-key-provider
+COPY --from=builder /gramine-sealing-key-provider/gramine-sealing-key-provider.manifest.sgx /gramine-sealing-key-provider/
+COPY --from=builder /gramine-sealing-key-provider/gramine-sealing-key-provider.sig /gramine-sealing-key-provider/
+
+WORKDIR /gramine-sealing-key-provider
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 3443
+
+ENTRYPOINT ["/entrypoint.sh"]

key-provider-build/dstack-key-provider.service

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+# SPDX-FileCopyrightText: © 2025 Phala Network <dstack@phala.network>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+[Unit]
+Description=Gramine Sealing Key Provider
+After=docker.service
+Requires=docker.service
+
+[Service]
+Type=simple
+ExecStart=/bin/bash -c '\
+    if /usr/bin/docker inspect gramine-sealing-key-provider >/dev/null 2>&1; then \
+        /usr/bin/docker start -a gramine-sealing-key-provider; \
+    else \
+        /usr/bin/docker run \
+            --name gramine-sealing-key-provider \
+            --privileged \
+            --device /dev/sgx_enclave:/dev/sgx_enclave \
+            --device /dev/sgx_provision:/dev/sgx_provision \
+            -v /etc/dstack-key-provider/sgx_default_qcnl.conf:/etc/sgx_default_qcnl.conf \
+            -p 127.0.0.1:3443:3443 \
+            dstacktee/dstack-gramine-key-provider:0.1.0; \
+    fi'
+ExecStop=/usr/bin/docker stop gramine-sealing-key-provider
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target

key-provider-build/entrypoint.sh

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+#!/bin/sh
+
+# SPDX-FileCopyrightText: © 2025 Phala Network <dstack@phala.network>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+# Start AESM service in background
+echo "Starting AESM service..."
+mkdir -p /var/run/aesmd
+chmod 755 /var/run/aesmd
+export AESM_PATH=/opt/intel/sgx-aesm-service/aesm
+export LD_LIBRARY_PATH=/opt/intel/sgx-aesm-service/aesm
+/opt/intel/sgx-aesm-service/aesm/aesm_service --no-daemon &
+AESM_PID=$!
+
+# Clean up aesmd on exit
+trap 'kill "$AESM_PID" 2>/dev/null; exit' INT TERM EXIT
+
+# Wait for AESM socket
+echo "Waiting for AESM socket..."
+AESM_SOCKET="/var/run/aesmd/aesm.socket"
+while [ ! -S "$AESM_SOCKET" ]; do
+    if ! kill -0 "$AESM_PID" 2>/dev/null; then
+        echo "Error: AESM service exited unexpectedly"
+        exit 1
+    fi
+    sleep 1
+done
+echo "AESM socket is available."
+
+# Show enclave info
+echo "Enclave info:"
+gramine-sgx-sigstruct-view --output-format json gramine-sealing-key-provider.sig
+
+# Replace shell with gramine-sgx so it receives signals directly as PID 1
+echo "Starting Gramine Sealing Key Provider"
+exec gramine-sgx gramine-sealing-key-provider