Dockerfile

FROM rust:latest as builder

WORKDIR /usr/src/app
COPY . .

# Will build and cache the binary and dependent crates in release mode
RUN --mount=type=cache,target=/usr/local/cargo,from=rust:latest,source=/usr/local/cargo \
    --mount=type=cache,target=target \
    cargo build --release && mv ./target/release/rx_github ./rx_github

# Runtime image
FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y --no-install-recommends expat \
    libxml2-dev \
    pkg-config libasound2-dev libssl-dev cmake libfreetype6-dev libexpat1-dev libxcb-composite0-dev libharfbuzz-dev libfontconfig-dev \
    curl openssl ca-certificates && rm -rf /var/lib/apt/lists/*

# Run as "app" user
RUN useradd -ms /bin/bash app

USER app
WORKDIR /app

# Get compiled binaries from builder's cargo install directory
COPY --from=builder /usr/src/app/rx_github /app/rx_github

# Run the app
CMD ./rx_github