Fix arm dev containers with did

See merge request !650

.devcontainer/Dockerfile

-# The devcontainer will be based on debian
 # The base container already has entrypoint, vscode user account, etc. out of the box
-FROM mcr.microsoft.com/vscode/devcontainers/base:bookworm
+FROM mcr.microsoft.com/vscode/devcontainers/base:ubuntu-22.04
 
 # Containerlab version will be set in devcontainer.json
 ARG _CLAB_VERSION
@@ -33,6 +32,9 @@ RUN apt-get update \
 # Install gnmic
 RUN bash -c "$(curl -sL https://get-gnmic.openconfig.net)"
 
+# Install preferred version of the containerlab
+RUN bash -c "$(curl -sL https://get.containerlab.dev)" -- -v ${_CLAB_VERSION}
+
 # Install oh-my-zsh for more terminal features and set it as primary shell
 ENV SHELL /bin/zsh
 RUN wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh || true
@@ -40,6 +42,3 @@ RUN wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -
 # Set editor
 RUN echo "export VISUAL='nano'" >> /home/vscode/.zshrc
 RUN echo "export EDITOR='nano'" >> /home/vscode/.zshrc
-
-# Install preferred version of the containerlab
-RUN bash -c "$(curl -sL https://get.containerlab.dev)" -- -v ${_CLAB_VERSION}

.devcontainer/devcontainer.json

@@ -11,8 +11,9 @@
         "features": {
             // Containerlab will run in a docker-in-docker container
             // It is also possible to use docker-outside-docker feature
-            "ghcr.io/devcontainers/features/docker-in-docker:2.7": {
-                "version": "latest"
+            "ghcr.io/devcontainers/features/docker-in-docker:2": {
+                "version": "latest",
+                "dockerDashComposeVersion": "v2"
             },
             "ghcr.io/devcontainers/features/go:1": {
                     "version": "1.21"

README.md

@@ -244,6 +244,9 @@ The volume also means, that caches for things like `golang-ci lint` are persiste
 
 Furthermore, the folder `/root/docker` is a persistent volume, so that `docker login` credentials for root (used by containerlab) are also persistent.
 
+For some changes to the dev container setup, mainly changes where the config lays in volumes later, the changes can only be applied if all volumes get deleted beforehand.
+So if some things do not work in your dev container, maybe you missed an update. In that case stop the dev container, delete all volumes of this project and *rebuild* (not restart!) the container.
+
 
 ### Dev container - remote