FROM rust:1.80-slim AS builder

# Dummy app
RUN USER=root cargo new --bin app
WORKDIR /app

# Cargo build and src cleaup
COPY ./Cargo.toml ./Cargo.toml
COPY ./Cargo.lock ./Cargo.lock
RUN cargo build --release
RUN rm src/*.rs

# Copy src files
COPY ./src ./src
RUN rm ./target/release/deps/app*
RUN cargo build --release


FROM debian:bookworm-slim

# Install necessary runtime libraries
RUN apt-get update && apt-get install -y libssl-dev ca-certificates && rm -rf /var/lib/apt/lists/*

# Copy the binary from the builder stage
COPY --from=builder /app/target/release/app /usr/local/bin/app

# Set execution permissions and run
CMD ["app"]