# Multi-stage build for minimal final image
FROM rust:1.75-slim as builder
WORKDIR /usr/src/speedtest
# Install dependencies
RUN apt-get update && \
apt-get install -y pkg-config libssl-dev && \
rm -rf /var/lib/apt/lists/*
# Copy manifests
COPY Cargo.toml Cargo.lock ./
# Create dummy main to cache dependencies
RUN mkdir src && \
echo "fn main() {}" > src/main.rs && \
cargo build --release && \
rm -rf src
# Copy actual source code
COPY src ./src
# Build for release
RUN touch src/main.rs && \
cargo build --release
# Runtime stage
FROM debian:bookworm-slim
RUN apt-get update && \
apt-get install -y ca-certificates && \
rm -rf /var/lib/apt/lists/*
COPY --from=builder /usr/src/speedtest/target/release/speedtest /usr/local/bin/speedtest
# Create non-root user
RUN useradd -m -u 1000 speedtest
USER speedtest
ENTRYPOINT ["speedtest"]
CMD ["--help"]