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feat: Musl images in docker

Not working at the moment, need to upgrade the rust-rocksdb and possibly
zstd to stop them force-enabling dynamic libclang
This commit is contained in:
Jade Ellis 2025-07-23 00:24:27 +01:00
parent 1bc663e1c8
commit b7a0442298
No known key found for this signature in database
GPG key ID: 8705A2A3EBF77BD2
4 changed files with 233 additions and 19 deletions

1
Cargo.lock generated
View file

@ -847,6 +847,7 @@ dependencies = [
name = "conduwuit"
version = "0.5.0-rc.6"
dependencies = [
"bindgen 0.71.1",
"clap",
"conduwuit_admin",
"conduwuit_api",

View file

@ -78,7 +78,7 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
WORKDIR /app
COPY ./rust-toolchain.toml .
RUN rustc --version \
&& rustup target add $(xx-cargo --print-target-triple)
&& xx-cargo --setup-target-triple
# Build binary
# We disable incremental compilation to save disk space, as it only produces a minimal speedup for this case.
@ -87,8 +87,10 @@ RUN echo "CARGO_INCREMENTAL=0" >> /etc/environment
# Configure pkg-config
RUN <<EOF
set -o xtrace
echo "PKG_CONFIG_LIBDIR=/usr/lib/$(xx-info)/pkgconfig" >> /etc/environment
echo "PKG_CONFIG=/usr/bin/$(xx-info)-pkg-config" >> /etc/environment
if command -v "$(xx-info)-pkg-config" >/dev/null 2>/dev/null; then
echo "PKG_CONFIG_LIBDIR=/usr/lib/$(xx-info)/pkgconfig" >> /etc/environment
echo "PKG_CONFIG=/usr/bin/$(xx-info)-pkg-config" >> /etc/environment
fi
echo "PKG_CONFIG_ALLOW_CROSS=true" >> /etc/environment
EOF
@ -109,16 +111,17 @@ RUN <<EOF
EOF
# Apply CPU-specific optimizations if TARGET_CPU is provided
ARG TARGET_CPU=
ARG TARGET_CPU
RUN <<EOF
set -o allexport
set -o xtrace
. /etc/environment
if [ -n "${TARGET_CPU}" ]; then
echo "CFLAGS='${CFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "CXXFLAGS='${CXXFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "RUSTFLAGS='${RUSTFLAGS} -C target-cpu=${TARGET_CPU}'" >> /etc/environment
fi
set -o allexport
set -o xtrace
. /etc/environment
if [ -n "${TARGET_CPU}" ]; then
echo "CFLAGS='${CFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "CXXFLAGS='${CXXFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "RUSTFLAGS='${RUSTFLAGS} -C target-cpu=${TARGET_CPU}'" >> /etc/environment
fi
EOF
# Prepare output directories
@ -136,12 +139,12 @@ ARG TARGETPLATFORM
RUN xx-cargo --print-target-triple
# Conduwuit version info
ARG GIT_COMMIT_HASH=
ARG GIT_COMMIT_HASH_SHORT=
ARG GIT_REMOTE_URL=
ARG GIT_REMOTE_COMMIT_URL=
ARG CONDUWUIT_VERSION_EXTRA=
ARG CONTINUWUITY_VERSION_EXTRA=
ARG GIT_COMMIT_HASH
ARG GIT_COMMIT_HASH_SHORT
ARG GIT_REMOTE_URL
ARG GIT_REMOTE_COMMIT_URL
ARG CONDUWUIT_VERSION_EXTRA
ARG CONTINUWUITY_VERSION_EXTRA
ENV GIT_COMMIT_HASH=$GIT_COMMIT_HASH
ENV GIT_COMMIT_HASH_SHORT=$GIT_COMMIT_HASH_SHORT
ENV GIT_REMOTE_URL=$GIT_REMOTE_URL
@ -169,7 +172,7 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
jq -r ".packages[] | select(.name == \"$PACKAGE\") | .targets[] | select( .kind | map(. == \"bin\") | any ) | .name"))
for BINARY in "${BINARIES[@]}"; do
echo $BINARY
xx-verify $TARGET_DIR/$(xx-cargo --print-target-triple)/release/$BINARY
xx-verify $TARGET_DIR/$(xx-cargo --print-target-triple)/release/$BINARY
cp $TARGET_DIR/$(xx-cargo --print-target-triple)/release/$BINARY /out/sbin/$BINARY
done
EOF

201
docker/musl.Dockerfile Normal file
View file

@ -0,0 +1,201 @@
# Why does this exist?
# Debian doesn't provide prebuilt musl packages
# rocksdb requires a prebuilt liburing, and linking fails if a gnu one is provided
ARG RUST_VERSION=1
ARG ALPINE_VERSION=3.22
FROM --platform=$BUILDPLATFORM docker.io/tonistiigi/xx AS xx
FROM --platform=$BUILDPLATFORM rust:${RUST_VERSION}-alpine${ALPINE_VERSION} AS base
FROM --platform=$BUILDPLATFORM rust:${RUST_VERSION}-alpine${ALPINE_VERSION} AS toolchain
# Install repo tools and dependencies
RUN --mount=type=cache,target=/etc/apk/cache apk add \
build-base pkgconfig make jq bash \
curl git file \
llvm-dev clang clang-dev lld
# Developer tool versions
# renovate: datasource=github-releases depName=cargo-bins/cargo-binstall
ENV BINSTALL_VERSION=1.13.0
# renovate: datasource=github-releases depName=psastras/sbom-rs
ENV CARGO_SBOM_VERSION=0.9.1
# renovate: datasource=crate depName=lddtree
ENV LDDTREE_VERSION=0.3.7
# Install unpackaged tools
RUN <<EOF
set -o xtrace
curl --retry 5 -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
cargo binstall --no-confirm cargo-sbom --version $CARGO_SBOM_VERSION
cargo binstall --no-confirm lddtree --version $LDDTREE_VERSION
EOF
# Set up xx (cross-compilation scripts)
COPY --from=xx / /
ARG TARGETPLATFORM
# Install libraries linked by the binary
RUN --mount=type=cache,target=/etc/apk/cache xx-apk add musl-dev liburing-dev clang-dev
# Set up Rust toolchain
WORKDIR /app
COPY ./rust-toolchain.toml .
RUN rustc --version \
&& xx-cargo --setup-target-triple
# Build binary
# We disable incremental compilation to save disk space, as it only produces a minimal speedup for this case.
RUN echo "CARGO_INCREMENTAL=0" >> /etc/environment
# Configure pkg-config
RUN <<EOF
set -o xtrace
if command -v "$(xx-info)-pkg-config" >/dev/null 2>/dev/null; then
echo "PKG_CONFIG_LIBDIR=/usr/lib/$(xx-info)/pkgconfig" >> /etc/environment
echo "PKG_CONFIG=/usr/bin/$(xx-info)-pkg-config" >> /etc/environment
fi
echo "PKG_CONFIG_ALLOW_CROSS=true" >> /etc/environment
EOF
# Configure cc to use clang version
RUN <<EOF
set -o xtrace
echo "CC=clang" >> /etc/environment
echo "CXX=clang++" >> /etc/environment
EOF
# Cross-language LTO
RUN <<EOF
set -o xtrace
echo "CFLAGS=-flto" >> /etc/environment
echo "CXXFLAGS=-flto" >> /etc/environment
# Linker is set to target-compatible clang by xx
echo "RUSTFLAGS='-Clinker-plugin-lto -Clink-arg=-fuse-ld=lld'" >> /etc/environment
EOF
# Apply CPU-specific optimizations if TARGET_CPU is provided
ARG TARGET_CPU
RUN <<EOF
set -o allexport
set -o xtrace
. /etc/environment
if [ -n "${TARGET_CPU}" ]; then
echo "CFLAGS='${CFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "CXXFLAGS='${CXXFLAGS} -march=${TARGET_CPU}'" >> /etc/environment
echo "RUSTFLAGS='${RUSTFLAGS} -C target-cpu=${TARGET_CPU}'" >> /etc/environment
fi
EOF
# Prepare output directories
RUN mkdir /out
FROM toolchain AS builder
# Get source
COPY . .
ARG TARGETPLATFORM
# Verify environment configuration
RUN xx-cargo --print-target-triple
# Conduwuit version info
ARG GIT_COMMIT_HASH
ARG GIT_COMMIT_HASH_SHORT
ARG GIT_REMOTE_URL
ARG GIT_REMOTE_COMMIT_URL
ARG CONDUWUIT_VERSION_EXTRA
ARG CONTINUWUITY_VERSION_EXTRA
ENV GIT_COMMIT_HASH=$GIT_COMMIT_HASH
ENV GIT_COMMIT_HASH_SHORT=$GIT_COMMIT_HASH_SHORT
ENV GIT_REMOTE_URL=$GIT_REMOTE_URL
ENV GIT_REMOTE_COMMIT_URL=$GIT_REMOTE_COMMIT_URL
ENV CONDUWUIT_VERSION_EXTRA=$CONDUWUIT_VERSION_EXTRA
ENV CONTINUWUITY_VERSION_EXTRA=$CONTINUWUITY_VERSION_EXTRA
ARG RUST_PROFILE=release
# Build the binary
RUN --mount=type=cache,target=/usr/local/cargo/registry \
--mount=type=cache,target=/usr/local/cargo/git/db \
--mount=type=cache,target=/app/target,id=cargo-target-${TARGET_CPU}-${TARGETPLATFORM}-musl-${RUST_PROFILE} \
bash <<'EOF'
set -o allexport
set -o xtrace
. /etc/environment
TARGET_DIR=($(cargo metadata --no-deps --format-version 1 | \
jq -r ".target_directory"))
mkdir /out/sbin
PACKAGE=conduwuit
xx-cargo build --locked --profile ${RUST_PROFILE} \
-p $PACKAGE --features libclang_static;
BINARIES=($(cargo metadata --no-deps --format-version 1 | \
jq -r ".packages[] | select(.name == \"$PACKAGE\") | .targets[] | select( .kind | map(. == \"bin\") | any ) | .name"))
for BINARY in "${BINARIES[@]}"; do
echo $BINARY
xx-verify $TARGET_DIR/$(xx-cargo --print-target-triple)/release/$BINARY
cp $TARGET_DIR/$(xx-cargo --print-target-triple)/release/$BINARY /out/sbin/$BINARY
done
EOF
# Generate Software Bill of Materials (SBOM)
RUN --mount=type=cache,target=/usr/local/cargo/registry \
--mount=type=cache,target=/usr/local/cargo/git/db \
bash <<'EOF'
set -o xtrace
mkdir /out/sbom
typeset -A PACKAGES
for BINARY in /out/sbin/*; do
BINARY_BASE=$(basename ${BINARY})
package=$(cargo metadata --no-deps --format-version 1 | jq -r ".packages[] | select(.targets[] | select( .kind | map(. == \"bin\") | any ) | .name == \"$BINARY_BASE\") | .name")
if [ -z "$package" ]; then
continue
fi
PACKAGES[$package]=1
done
for PACKAGE in $(echo ${!PACKAGES[@]}); do
echo $PACKAGE
cargo sbom --cargo-package $PACKAGE > /out/sbom/$PACKAGE.spdx.json
done
EOF
# Extract dynamically linked dependencies
RUN <<EOF
set -o xtrace
mkdir /out/libs
mkdir /out/libs-root
for BINARY in /out/sbin/*; do
lddtree "$BINARY" | awk '{print $(NF-0) " " $1}' | sort -u -k 1,1 | awk '{print "install", "-D", $1, (($2 ~ /^\//) ? "/out/libs-root" $2 : "/out/libs/" $2)}' | xargs -I {} sh -c {}
done
EOF
FROM scratch
WORKDIR /
# Copy root certs for tls into image
# You can also mount the certs from the host
# --volume /etc/ssl/certs:/etc/ssl/certs:ro
COPY --from=base /etc/ssl/certs /etc/ssl/certs
# Copy our build
COPY --from=builder /out/sbin/ /sbin/
# Copy SBOM
COPY --from=builder /out/sbom/ /sbom/
# Copy dynamic libraries to root
COPY --from=builder /out/libs-root/ /
COPY --from=builder /out/libs/ /usr/lib/
# Inform linker where to find libraries
ENV LD_LIBRARY_PATH=/usr/lib
# Continuwuity default port
EXPOSE 8008
CMD ["/sbin/conduwuit"]

View file

@ -162,6 +162,15 @@ conduwuit_mods = [
"conduwuit-core/conduwuit_mods",
]
libclang_static = [
"bindgen/static"
# "clang-sys/static"
]
[build-dependencies]
bindgen = {version = "0.71.1", default-features = false}
# clang-sys = {version = "1", default-features = false}
[dependencies]
conduwuit-admin.workspace = true
conduwuit-api.workspace = true