Use dind devcontainer with correct dotnet sdk

.devcontainer/Dockerfile

@@ -1,8 +1,42 @@
-FROM mcr.microsoft.com/vscode/devcontainers/universal
+FROM mcr.microsoft.com/vscode/devcontainers/base:0-buster
 
-RUN cd /tmp && wget https://download.visualstudio.microsoft.com/download/pr/dc930bff-ef3d-4f6f-8799-6eb60390f5b4/1efee2a8ea0180c94aff8f15eb3af981/dotnet-sdk-6.0.300-linux-x64.tar.gz
-RUN mkdir -p $HOME/dotnet && tar zxf /tmp/dotnet-sdk-6.0.300-linux-x64.tar.gz -C $HOME/dotnet 
-RUN rm /tmp/dotnet-sdk-6.0.300-linux-x64.tar.gz
+# [Option] Install zsh
+ARG INSTALL_ZSH="false"
+# [Option] Upgrade OS packages to their latest versions
+ARG UPGRADE_PACKAGES="false"
+# [Option] Enable non-root Docker access in container
+ARG ENABLE_NONROOT_DOCKER="false"
+# [Option] Use the OSS Moby Engine instead of the licensed Docker Engine
+ARG USE_MOBY="true"
+# [Option] Engine/CLI Version
+ARG DOCKER_VERSION="latest"
 
-ENV DOTNET_ROOT="$HOME/dotnet"
-ENV PATH="$PATH:$HOME/dotnet"
+# Enable new "BUILDKIT" mode for Docker CLI
+ENV DOCKER_BUILDKIT=1
+
+ARG USERNAME=automatic
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+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}" "${UPGRADE_PACKAGES}" "true" "true" \
+    # Use Docker script from script library to set things up
+    && /bin/bash /tmp/library-scripts/docker-in-docker-debian.sh "${ENABLE_NONROOT_DOCKER}" "${USERNAME}" "${USE_MOBY}" "${DOCKER_VERSION}" \
+    # Clean up
+    && 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" ]
+
+RUN apt update && apt-get install -y --allow-downgrades dotnet-sdk-6.0=6.0.300-1
+
+COPY init.sh /var/init.sh
+
+# [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>

.devcontainer/devcontainer.json

@@ -1,54 +1,18 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
 {
-	"name": "Runner Codespaces",
-	"build": {
-		"dockerfile": "Dockerfile"
-	},
+	"name": "Acrtions Runner Codespaces",
+	"dockerFile": "Dockerfile",
+	"runArgs": ["--init", "--privileged"],
+	"mounts": ["source=dind-var-lib-docker,target=/var/lib/docker,type=volume"],
+	"overrideCommand": false,
 	"customizations": {
 		"vscode": {
-			"settings": {
-				"go.toolsManagement.checkForUpdates": "local",
-				"go.useLanguageServer": true,
-				"go.gopath": "/go",
-				"python.defaultInterpreterPath": "/opt/python/latest/bin/python",
-				"python.linting.enabled": true,
-				"python.linting.pylintEnabled": true,
-				"python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
-				"python.formatting.blackPath": "/usr/local/py-utils/bin/black",
-				"python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
-				"python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
-				"python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
-				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
-				"python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
-				"python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
-				"python.linting.pylintPath": "/usr/local/py-utils/bin/pylint",
-				"lldb.executable": "/usr/bin/lldb",
-				"files.watcherExclude": {
-					"**/_layout/**": true
-				}
-			},
-			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"GitHub.vscode-pull-request-github"
+				"ms-azuretools.vscode-docker",
+				"ms-dotnettools.csharp"
 			]
 		}
 	},
-	"remoteUser": "root",
-	"overrideCommand": false,
-	"mounts": [
-		"source=codespaces-linux-var-lib-docker,target=/var/lib/docker,type=volume"
-	],
-	"runArgs": [
-		"--cap-add=SYS_PTRACE",
-		"--security-opt",
-		"seccomp=unconfined",
-		"--privileged",
-		"--init"
-	],
-	// "extensions": [
-	// 	"GitHub.vscode-pull-request-github",
-	// 	"ms-dotnettools.csharp",
-	// 	"eamodio.gitlens"
-	// ],
-	// "postCreateCommand": "bash .devcontainer/init.sh"
-}
+	"postCreateCommand": "/bin/bash /var/init.sh",
+	"remoteUser": "root"
+}

.devcontainer/init.sh

@@ -1,9 +1,13 @@
+#!/bin/bash
+
 echo 'Creating symlink for embedded sdk...'
 
 # pwd is the source root folder
-ln -s /home/root/.dotnet/sdk/ _dotnetsdk 
+ln -s /usr/share/dotnet/sdk _dotnetsdk 
 echo .6.0.300 >> _dotnetsdk/6.0.300/.6.0.300
-ln -s /home/root/.dotnet/dotnet _dotnetsdk/6.0.300/dotnet
+# ln -s /home/root/.dotnet/dotnet _dotnetsdk/6.0.300/dotnet
+
+exit 0
 
 cd src
 ./dev.sh