# Use an official Rust image as the base
FROM rust:latest

# Install necessary packages 
RUN apt-get update && apt-get install -y \
    libudev-dev \
    iproute2 \
    iputils-ping \
    net-tools \
    bridge-utils \
    iptables \
    supervisor \
    traceroute \
    && rm -rf /var/lib/apt/lists/*

# Clone the xbnet repository
# The xbnet repository contains the source code needed to set up and manage the XBee network
RUN git clone https://github.com/jgoerzen/xbnet.git /usr/src/xbnet

# Build xbnet
# We build the xbnet project from source using Cargo, Rust's package manager and build system
WORKDIR /usr/src/xbnet
RUN cargo build --release

# Copy the built binary to /usr/local/bin
# The xbnet binary will be placed in /usr/local/bin to be accessible system-wide
RUN cp target/release/xbnet /usr/local/bin/xbnet

# Copy the entrypoint script
# The entrypoint script handles the setup and monitoring of the XBee network
COPY ./scripts/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

# Copy the supervisor config file
# Supervisor configuration ensures that the XBee network service is managed and stays running
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Copy the health check script
# The health check script will be used by Docker to monitor the health of the container
COPY ./scripts/health_check.sh /health_check.sh
RUN chmod +x /health_check.sh

# Start supervisord as the main command
# Supervisord will manage and monitor the services, including the XBee network
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

# Add healthcheck
# The health check command periodically checks the health of the container using a custom script
HEALTHCHECK CMD /health_check.sh || exit 1