Hopefully final initial fixes.

build_ros/Dockerfile

@@ -4,8 +4,8 @@ RUN apt-get update && apt-get install -y ros-galactic-ros-ign-gazebo
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y xserver-xorg-video-all libgl1-mesa-glx libgl1-mesa-dri libglvnd0 libgl1 libglx0 libegl1 libxext6 libx11-6
 RUN apt-get update && apt-get install -y libvulkan1 mesa-vulkan-drivers vulkan-utils mesa-utils
 
-ARG GID=1000
+ARG G_ID=1000
-ARG UID=1000
+ARG U_ID=1000
 
-RUN groupadd -f -g $GID ros
+RUN groupadd -f -g ${G_ID} ros
-RUN useradd -u $UID -g $GID -m ros
+RUN useradd -u ${U_ID} -g ${G_ID} -m ros

docker-compose.yaml

@@ -7,8 +7,6 @@ services:
       context: ./build_ros
       args:
         ROS: galactic           #Desired ROS version
-        UID: ${U_ID}
-        GID: ${G_ID}
     volumes:
       - /tmp/.X11-unix:/tmp/.X11-unix:rw
       - ./home:/home/ros
@@ -17,8 +15,6 @@ services:
     environment:
       - DISPLAY=$DISPLAY
       - XAUTHORITY=$XAUTHORITY
-      - U_ID=${U_ID}
-      - G_ID=${G_ID}
     user: ${U_ID}:${G_ID}
     stdin_open: true
     tty: true

start.sh

@@ -3,6 +3,10 @@
 mkdir $(dirname "$0")/home
 
 sudo docker-compose down
+
+echo U_ID="$(id -u)" > $(dirname "$0")/.env
+echo G_ID="$(id -g)" >> $(dirname "$0")/.env
+
 sudo U_ID="$(id -u)" G_ID="$(id -g)" docker-compose build
 sudo U_ID="$(id -u)" G_ID="$(id -g)" docker-compose up -d