eta357/LibreTunes-Nix-Test
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Use dynamic linking in Docker build

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Switch base image to rust:slim
Dynamically link libretunes build
Copy required shared objs to scratch image
Remove CSS minify step (Leptos does this already)
This commit is contained in:
Ethan Girouard 2024-09-30 19:02:59 -04:00
parent 9927b94d59
commit 414c1f0e20
Signed by: eta357
GPG Key ID: 7BCDC36DFD11C146
1 changed files with 30 additions and 13 deletions
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43
Dockerfile
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@ -1,8 +1,10 @@
FROM clux/muslrust:nightly AS builder
FROM rust:slim as builder
WORKDIR /app
RUN rustup default nightly
RUN rustup target add wasm32-unknown-unknown
RUN cargo install cargo-leptos
# Install a few dependencies
RUN set -eux; \
@ -10,19 +12,26 @@ RUN set -eux; \
apt-get install -y --no-install-recommends \
pkg-config \
clang \
npm; \
build-essential \
libssl-dev \
libpq-dev \
wget; \
rm -rf /var/lib/apt/lists/*
RUN cargo install cargo-leptos
RUN npm install tailwindcss@3.1.8 -g
# Install ImageMagick
RUN cd / && \
wget https://github.com/ImageMagick/ImageMagick/archive/refs/tags/7.1.1-38.tar.gz && \
tar xf 7.1.1-38.tar.gz && \
rm 7.1.1-38.tar.gz && \
cd ImageMagick-7.1.1-38 && \
./configure && \
make install -j $(nproc) && \
cd .. && \
rm -rf ImageMagick-7.1.1-38
# Copy project dependency manifests
COPY Cargo.toml Cargo.lock /app/
# Add the target to Cargo.toml so we can statically link:
RUN echo 'bin-target-triple = "x86_64-unknown-linux-musl"' >> Cargo.toml
# Create dummy files to force cargo to build the dependencies
RUN mkdir /app/src && mkdir /app/style && mkdir /app/assets && \
echo "fn main() {}" | tee /app/src/build.rs > /app/src/main.rs && \
@ -33,15 +42,12 @@ RUN mkdir /app/src && mkdir /app/style && mkdir /app/assets && \
RUN cargo-leptos build --release --precompress
RUN rm -rf /app/src /app/style /app/assets
COPY style /app/style
# Minify CSS
RUN npx tailwindcss -i /app/style/main.scss -o /app/style/main.scss --minify
COPY ascii_art.txt /app/ascii_art.txt
COPY assets /app/assets
COPY src /app/src
COPY migrations /app/migrations
COPY style /app/style
# Touch files to force rebuild
RUN touch /app/src/main.rs && touch /app/src/lib.rs && touch /app/src/build.rs
@ -49,6 +55,11 @@ RUN touch /app/src/main.rs && touch /app/src/lib.rs && touch /app/src/build.rs
# Actually build the binary
RUN cargo-leptos build --release --precompress
# Use ldd to list all dependencies of /app/target/release/libretunes, then copy them to /app/libs
# Setting LD_LIBRARY_PATH is necessary to find the ImageMagick libraries
RUN mkdir /app/libs && LD_LIBRARY_PATH=/usr/local/lib ldd /app/target/release/libretunes | grep "=> /" | \
awk '{print $3}' | xargs -I '{}' cp '{}' /app/libs
# Build the final image
FROM scratch
@ -57,9 +68,15 @@ LABEL description="LibreTunes, an open-source browser audio player and \
library manager built for collaborative listening."
# Copy the binary and the compressed assets to the "site root"
COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/libretunes /libretunes
COPY --from=builder /app/target/release/libretunes /libretunes
COPY --from=builder /app/target/site /site
# Copy libraries to /lib64
COPY --from=builder /app/libs /lib64
COPY --from=builder /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
ENV LD_LIBRARY_PATH=/lib64
# Configure Leptos settings
ENV LEPTOS_SITE_ADDR=0.0.0.0:3000
ENV LEPTOS_SITE_ROOT=/site