ci: Try and speed up QNS docker build (#2092)

* ci: Try and speed up QNS docker build

Via https://github.com/LukeMathWalker/cargo-chef

* Update qns/Dockerfile

Co-authored-by: Max Inden <mail@max-inden.de>
Signed-off-by: Lars Eggert <lars@eggert.org>

---------

Signed-off-by: Lars Eggert <lars@eggert.org>
Co-authored-by: Max Inden <mail@max-inden.de>

qns/Dockerfile

@@ -1,51 +1,18 @@
-FROM martenseemann/quic-network-simulator-endpoint@sha256:517712019dda2a4d6f39e4490a55f29eae7ba415624067efe749f896e577ea91 AS buildimage
+FROM lukemathwalker/cargo-chef:latest-rust-latest AS chef
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
- git coreutils build-essential libclang-dev lld gyp ninja-build zlib1g-dev python-is-python3 \
- && apt-get autoremove -y && apt-get clean -y \
- && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
 
-# From https://github.com/rust-lang/docker-rust/blob/master/1.80.0/bookworm/slim/Dockerfile
 
-ENV RUSTUP_HOME=/usr/local/rustup \
- CARGO_HOME=/usr/local/cargo \
- PATH=/usr/local/cargo/bin:$PATH \
- RUST_VERSION=1.80.0
+FROM chef AS planner
 
-RUN set -eux; \
- apt-get update; \
- apt-get install -y --no-install-recommends \
- ca-certificates \
- gcc \
- libc6-dev \
- wget \
- ; \
- dpkgArch="$(dpkg --print-architecture)"; \
- case "${dpkgArch##*-}" in \
- amd64) rustArch='x86_64-unknown-linux-gnu'; rustupSha256='6aeece6993e902708983b209d04c0d1dbb14ebb405ddb87def578d41f920f56d' ;; \
- armhf) rustArch='armv7-unknown-linux-gnueabihf'; rustupSha256='3c4114923305f1cd3b96ce3454e9e549ad4aa7c07c03aec73d1a785e98388bed' ;; \
- arm64) rustArch='aarch64-unknown-linux-gnu'; rustupSha256='1cffbf51e63e634c746f741de50649bbbcbd9dbe1de363c9ecef64e278dba2b2' ;; \
- i386) rustArch='i686-unknown-linux-gnu'; rustupSha256='0a6bed6e9f21192a51f83977716466895706059afb880500ff1d0e751ada5237' ;; \
- ppc64el) rustArch='powerpc64le-unknown-linux-gnu'; rustupSha256='079430f58ad4da1d1f4f5f2f0bd321422373213246a93b3ddb53dad627f5aa38' ;; \
- s390x) rustArch='s390x-unknown-linux-gnu'; rustupSha256='e7f89da453c8ce5771c28279d1a01d5e83541d420695c74ec81a7ec5d287c51c' ;; \
- *) echo >&2 "unsupported architecture: ${dpkgArch}"; exit 1 ;; \
- esac; \
- url="https://static.rust-lang.org/rustup/archive/1.27.1/${rustArch}/rustup-init"; \
- wget "$url"; \
- echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
- chmod +x rustup-init; \
- ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
- rm rustup-init; \
- chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
- rustup --version; \
- cargo --version; \
- rustc --version; \
- apt-get remove -y --auto-remove \
- wget \
- ; \
- rm -rf /var/lib/apt/lists/*;
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
 
-# End of copy from https://github.com/rust-lang/docker-rust...
+FROM chef AS builder
+RUN apt-get update && apt-get install -y --no-install-recommends \
+ libclang-dev gyp ninja-build python-is-python3 \
+ && apt-get autoremove -y && apt-get clean -y \
+ && rm -rf /var/lib/apt/lists/*
 
 # We unfortunately need to build NSS from source, because the Debian package is
 # not compiled with support for SSLKEYLOGFILE.
@@ -60,21 +27,24 @@ RUN set -eux; \
 
 RUN "$NSS_DIR"/build.sh --static -Ddisable_tests=1 -o
 
+COPY --from=planner /app/recipe.json recipe.json
+# Build dependencies
+RUN cargo chef cook --release --recipe-path recipe.json
+# Build application
 ADD . /neqo
-
 RUN set -eux; \
  cd /neqo; \
- RUSTFLAGS="-C link-arg=-fuse-ld=lld" cargo build --release \
- --bin neqo-client --bin neqo-server
+ cargo build --release --bin neqo-client --bin neqo-server
 
 # Copy only binaries to the final image to keep it small.
 
+
 FROM martenseemann/quic-network-simulator-endpoint@sha256:517712019dda2a4d6f39e4490a55f29eae7ba415624067efe749f896e577ea91
 
 ENV LD_LIBRARY_PATH=/neqo/lib
-COPY --from=buildimage /neqo/target/release/neqo-client /neqo/target/release/neqo-server /neqo/bin/
-COPY --from=buildimage /dist/Release/lib/*.so /neqo/lib/
-COPY --from=buildimage /dist/Release/bin/certutil /dist/Release/bin/pk12util /neqo/bin/
+COPY --from=builder /neqo/target/release/neqo-client /neqo/target/release/neqo-server /neqo/bin/
+COPY --from=builder /dist/Release/lib/*.so /neqo/lib/
+COPY --from=builder /dist/Release/bin/certutil /dist/Release/bin/pk12util /neqo/bin/
 
 COPY qns/interop.sh /neqo/
 RUN chmod +x /neqo/interop.sh