Add support for giving devcontainer access to parent docker socket to allow nested Docker containers (for tests etc)

Author: twright

.dockerignore

@@ -2,6 +2,7 @@
 .github/*
 .idea/*
 .vscode/*
-docker/*
 .git/*
-target/*
+target/*
+docker/Dockerfile
+docker/docker-compose.yaml

docker/Dockerfile

@@ -39,7 +39,7 @@ RUN groupadd --gid $GID $USERNAME \
 # Set the ownership of the overlay workspace to the new user
 RUN chown -R ${UID}:${GID} /ws
 
-RUN groupadd fuse \
+RUN groupadd fuse\
     && usermod -aG fuse,video ${USERNAME}
 
 # Set the user and source entrypoint in the user's .bashrc file

docker/docker-compose.yaml

@@ -12,6 +12,7 @@ services:
       - /tmp/.X11-unix:/tmp/.X11-unix:rw
       - ${XAUTHORITY:-$HOME/.Xauthority}:/root/.Xauthority
       - /dev/shm:/dev/shm
+      - /var/run/docker.sock:/var/run/docker.sock
     environment:
       - DISPLAY=${DISPLAY}
     network_mode: host

docker/entrypoint.sh

@@ -12,6 +12,9 @@ then
   # echo "Sourced TurtleBot4 base workspace"
 fi
 
+sudo groupadd -g $(stat -c "%g" /var/run/docker.sock) docker &> /dev/null
+sudo usermod -aG docker $(id -nu)
+
 # if [ "$EUID" -gt 0 ]; then
 #   sudo chown -R ${UID}:${UID} ~/.ros
 #   sudo chown -R ${UID}:${UID} ~/.ignition