FROM ros:humble-ros-base

WORKDIR /ros_bridge

RUN apt-get update \
 && apt-get install -y --no-install-recommends \
    python3-pip \
    ros-humble-nav2-msgs \
 && rm -rf /var/lib/apt/lists/*

COPY requirements.txt /ros_bridge/requirements.txt
RUN pip3 install --no-cache-dir -r /ros_bridge/requirements.txt

COPY bridge.py /ros_bridge/bridge.py

CMD bash -c "source /opt/ros/humble/setup.bash && python3 /ros_bridge/bridge.py"