Docker build time in CI

.github/workflows/release.yml

@@ -37,6 +37,12 @@ jobs:
             type=pep440,pattern={{major}}.{{minor}}
             type=raw,value=latest,enable=${{ !contains(env.RELEASE_VERSION, '-') }}
 
+      # https://github.com/dtolnay/rust-toolchain
+      - name: Setup rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          target: x86_64-unknown-linux-gnu,aarch64-unknown-linux-gnu
+
       # https://github.com/WarpBuilds/rust-cache
       - name: Run WarpBuilds/rust-cache
         uses: WarpBuilds/rust-cache@v2
@@ -79,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Create release
         id: create_release

Dockerfile

@@ -1,27 +1,64 @@
-FROM lukemathwalker/cargo-chef:latest AS chef
+#
+# Base container (with sccache and cargo-chef)
+#
+# - https://github.com/mozilla/sccache
+# - https://github.com/LukeMathWalker/cargo-chef
+#
+# Based on https://depot.dev/blog/rust-dockerfile-best-practices
+#
+FROM rust:1.82 as base
+
+ARG FEATURES
+
+RUN cargo install sccache --version ^0.8
+RUN cargo install cargo-chef --version ^0.1
+
+RUN apt-get update \
+    && apt-get install -y clang libclang-dev
+
+ENV CARGO_HOME=/usr/local/cargo
+ENV RUSTC_WRAPPER=sccache
+ENV SCCACHE_DIR=/sccache
+
+#
+# Planner container (running "cargo chef prepare")
+#
+FROM base AS planner
 WORKDIR /app
 
-# Prepare build plan
-FROM chef AS planner
-COPY ./Cargo.toml ./Cargo.lock ./
-COPY ./src ./src
-RUN cargo chef prepare
+COPY . .
 
-# Build application
-FROM chef AS builder
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/usr/local/cargo/git \
+    --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
+    cargo chef prepare --recipe-path recipe.json
 
-# Install system dependencies
-RUN apt-get update && \
-    apt-get install -y openssl libclang-dev libssl3 && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
+#
+# Builder container (running "cargo chef cook" and "cargo build --release")
+#
+FROM base as builder
+WORKDIR /app
+# Default binary filename
+ARG ROLLUP_BOOST_BIN="rollup-boost"
+COPY --from=planner /app/recipe.json recipe.json
+
+RUN --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
+    cargo chef cook --release --recipe-path recipe.json
 
-COPY --from=planner /app/recipe.json .
-RUN cargo chef cook --release
 COPY . .
-RUN cargo build --release
 
-FROM debian:bullseye-slim AS final
-COPY --from=builder /app/target/release/rollup-boost /usr/local/bin/
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/usr/local/cargo/git \
+    --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
+    cargo build --release --features="$FEATURES" --package=${ROLLUP_BOOST_BIN}
+
+#
+# Runtime container
+#
+FROM gcr.io/distroless/cc-debian12
+WORKDIR /app
+
+ARG ROLLUP_BOOST_BIN="rollup-boost"
+COPY --from=builder /app/target/release/${ROLLUP_BOOST_BIN} /usr/local/bin/
 
 ENTRYPOINT ["/usr/local/bin/rollup-boost"]