dev container settings (#17233)

.devcontainer/Dockerfile

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+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.208.0/containers/dotnet/.devcontainer/base.Dockerfile
+
+# [Choice] .NET version: 6.0, 5.0, 3.1, 6.0-bullseye, 5.0-bullseye, 3.1-bullseye, 6.0-focal, 5.0-focal, 3.1-focal
+ARG VARIANT="6.0-bullseye-slim"
+FROM mcr.microsoft.com/vscode/devcontainers/dotnet:0-${VARIANT}
+
+# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="none"
+RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+# [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>
+
+# [Optional] Uncomment this line to install global node packages.
+RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g autorest" 2>&1

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.208.0/containers/dotnet
+{
+	"name": "Azure PowerShell (C#, .NET, TypeScript)",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": { 
+			// Update 'VARIANT' to pick a .NET Core version: 3.1, 5.0, 6.0
+			// Append -bullseye or -focal to pin to an OS version.
+			"VARIANT": "6.0",
+			// Options
+			"NODE_VERSION": "lts/*"
+		}
+	},
+
+	// 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-dotnettools.csharp"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [5000, 5001],
+
+	// [Optional] To reuse of your local HTTPS dev cert:
+	//
+	// 1. Export it locally using this command:
+	//    * Windows PowerShell:
+	//        dotnet dev-certs https --trust; dotnet dev-certs https -ep "$env:USERPROFILE/.aspnet/https/aspnetapp.pfx" -p "SecurePwdGoesHere"
+	//    * macOS/Linux terminal:
+	//        dotnet dev-certs https --trust; dotnet dev-certs https -ep "${HOME}/.aspnet/https/aspnetapp.pfx" -p "SecurePwdGoesHere"
+	// 
+	// 2. Uncomment these 'remoteEnv' lines:
+	//    "remoteEnv": {
+	// 	      "ASPNETCORE_Kestrel__Certificates__Default__Password": "SecurePwdGoesHere",
+	//        "ASPNETCORE_Kestrel__Certificates__Default__Path": "/home/vscode/.aspnet/https/aspnetapp.pfx",
+	//    },
+	//
+	// 3. Do one of the following depending on your scenario:
+	//    * When using GitHub Codespaces and/or Remote - Containers:
+	//      1. Start the container
+	//      2. Drag ~/.aspnet/https/aspnetapp.pfx into the root of the file explorer
+	//      3. Open a terminal in VS Code and run "mkdir -p /home/vscode/.aspnet/https && mv aspnetapp.pfx /home/vscode/.aspnet/https"
+	//
+	//    * If only using Remote - Containers with a local container, uncomment this line instead:
+	//      "mounts": [ "source=${env:HOME}${env:USERPROFILE}/.aspnet/https,target=/home/vscode/.aspnet/https,type=bind" ],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "dotnet restore",
+
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"features": {
+		"git": "os-provided",
+		"powershell": "latest"
+	}
+}