add custom dockerfile

.github/workflows/build-and-push-debug.yaml

@@ -39,6 +39,7 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           context: .
+          file: Dockerfile.keymanager
           push: true
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}

Dockerfile.keymanager

@@ -0,0 +1,37 @@
+FROM --platform=linux/amd64 ubuntu:22.04 as build-image
+
+WORKDIR /src
+RUN apt-get update && apt-get install -y \
+    curl \
+    build-essential \
+    libssl-dev \
+    texinfo \
+    libcap2-bin \
+    pkg-config \
+    git \
+    devscripts \
+    debhelper \
+    ca-certificates \
+    wget
+
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+ENV PATH "/root/.cargo/bin:${PATH}"
+ENV RUSTUP_HOME "/root/.rustup"
+ENV CARGO_HOME "/root/.cargo"
+RUN rustup toolchain install nightly-2024-07-10
+RUN rustup default nightly-2024-07-10
+RUN rustup component add cargo
+RUN cargo install cargo-build-deps \
+    && cargo install cargo-edit
+
+FROM --platform=linux/amd64 build-image as build-app
+WORKDIR /src/gpu-iris-mpc
+COPY . .
+RUN cargo build --release --target x86_64-unknown-linux-gnu --bin key-manager
+
+FROM --platform=linux/amd64 ubuntu:22.04
+ENV DEBIAN_FRONTEND=noninteractive
+COPY --from=build-app /src/gpu-iris-mpc/target/x86_64-unknown-linux-gnu/release/key-manager /bin/key-manager
+
+USER 65534
+ENTRYPOINT ["tail", "-f", "/dev/null"]