Fix build by docker compose

Dockerfile

@@ -1,19 +1,19 @@
 ARG BASE_IMAGE
+ARG ROS_DISTRO
+FROM osrf/ros:${ROS_DISTRO}-desktop-full AS ros_distro
 
 FROM ${BASE_IMAGE}
+ARG ROS_DISTRO
 
 # For this build, we pull the entire ros image, and then merge the filesystem
 # with the nvidia/opengl image, so that displaying to the screen on GPU
 # (or without GPU) works through docker.
-# I was unable to use the ROS_DISTRO variable here due to this issue:
-# https://github.com/docker/for-mac/issues/2155
-COPY --from=osrf/ros:melodic-desktop-full / /
+COPY --from=ros_distro / /
 
 # Add ROS env vars to the bashrc
 ENV BASH_ENV="/root/launch.sh"
 SHELL ["/bin/bash", "-c"]
 ENTRYPOINT ["/bin/bash", "-c"]
-ARG ROS_DISTRO
 RUN echo "source /opt/ros/${ROS_DISTRO}/setup.bash" >> $BASH_ENV
 
 # Copy myCobot ROS package
@@ -21,8 +21,8 @@ WORKDIR /catkin_ws/src
 COPY . mycobot_ros
 
 # Install build dependencies
+RUN apt-get update && apt-get install -y curl
 RUN curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | apt-key add - && \
-    apt-get update && \
     apt-get install -y \
         # ROS Build dependencies
         python-rosinstall \

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.4'
 
 x-app: &common
-  command: [ "roslaunch mycobot_320 mycobot_320_slider.launch" ]
+  command: [ "roslaunch mycobot_280 slider_control.launch" ]
   privileged: true
   environment:
     PYTHONUNBUFFERED: 1
@@ -9,6 +9,7 @@ x-app: &common
     DISPLAY: $DISPLAY
   volumes:
     - "/tmp/.X11-unix:/tmp/.X11-unix:rw"
+    - ".:/catkin_ws/src/mycobot_ros"
   build:
     context: .
     args: &common-args