Dockerfile

# Use debian:bullseye-slim as the base image for both build and final stages
FROM debian:bullseye-slim as base

# Install Rust in the build stage
FROM base as builder

# Install necessary dependencies for building
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    protobuf-compiler

# Install Rust
RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"

# Set the working directory
WORKDIR /app

# Copy the project files
COPY . .

# Build the project
RUN cargo build --release

# Final stage: use the same base image as the build stage
FROM base

# Install protobuf-compiler in the final image as well
RUN apt-get update && apt-get install -y protobuf-compiler

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

# Copy the configuration file into the container (adjust the path if needed)
COPY config/danube_broker.yml /etc/danube_broker.yml

# Expose the ports your broker listens on
EXPOSE 6650 6651

# Define entrypoint and default command
ENTRYPOINT ["/usr/local/bin/danube-broker"]
CMD ["--config-file", "/etc/danube_broker.yml", "--broker-addr", "0.0.0.0:6650", "--advertised-addr", "0.0.0.0:6650"]