Add k3d dev container

containers/kubernetes-helm-k3d/.devcontainer/Dockerfile

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+# Note: You can use any Debian/Ubuntu based image you want. 
+FROM mcr.microsoft.com/vscode/devcontainers/base:0-bullseye
+
+# Enable new "BUILDKIT" mode for Docker CLI
+ENV DOCKER_BUILDKIT=1
+
+# Options
+ARG INSTALL_ZSH="true"
+ARG UPGRADE_PACKAGES="false"
+ARG USE_MOBY="true"
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+COPY library-scripts/*.sh /tmp/library-scripts/
+RUN apt-get update && /bin/bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" "true" "true" \
+    && /bin/bash /tmp/library-scripts/docker-in-docker-debian.sh "true" "${USERNAME}" "${USE_MOBY}" \ 
+    && /bin/bash /tmp/library-scripts/kubectl-helm-debian.sh "latest" "latest" "latest" \
+    && mkdir -p $HOME/.k3d \
+    && chown ${USERNAME} $HOME/.k3d \
+    && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts/
+
+VOLUME [ "/var/lib/docker" ]
+
+# Setting the ENTRYPOINT to docker-init.sh will start up the Docker Engine 
+# inside the container "overrideCommand": false is set in devcontainer.json. 
+# The script will also execute CMD if you need to alter startup behaviors.
+ENTRYPOINT [ "/usr/local/share/docker-init.sh" ]
+CMD [ "sleep", "infinity" ]
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>

containers/kubernetes-helm-k3d/.devcontainer/devcontainer.json

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+{
+	"name": "Kubernetes - k3d-in-Docker",
+	"dockerFile": "Dockerfile",
+	"runArgs": ["--privileged"],
+	"mounts": [
+		"source=k3d-var-lib-docker,target=/var/lib/docker,type=volume",
+		"source=k3d-config,target=/home/${remoteUser}/.k3d,type=volume"
+	],
+	"overrideCommand": false,
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"ms-azuretools.vscode-docker",
+		"ms-kubernetes-tools.vscode-kubernetes-tools"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "kubectl version --client=true --output=yaml",
+
+	// Use 'postStartCommand' to run commands after the container is created like starting k3d.
+	// "postStartCommand": "k3d cluster create > k3d.log 2>&1",
+
+	// k3d does not like running as root, so use a non-root user.
+	"remoteUser": "vscode"
+}

containers/kubernetes-helm-k3d/.devcontainer/library-scripts/README.md

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+# Warning: Folder contents may be replaced
+
+The contents of this folder will be automatically replaced with a file of the same name in the repository's [script-library folder](https://github.com/microsoft/vscode-dev-containers/tree/main/script-library) whenever the repository is packaged.
+
+To retain your edits, move the file to a different location. You may also delete the files if they are not needed.