Update devcontainer config

* updated to .net 6.0

.devcontainer/Dockerfile

@@ -1,19 +1,12 @@
-# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.145.0/containers/dotnetcore/.devcontainer/base.Dockerfile
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/dotnet/.devcontainer/base.Dockerfile
 
-# [Choice] .NET Core version: 3.1, 2.1
-ARG VARIANT="3.1"
-FROM mcr.microsoft.com/vscode/devcontainers/dotnetcore:0-${VARIANT}
+# [Choice] .NET version: 6.0, 5.0, 3.1, 6.0-bullseye, 5.0-bullseye, 3.1-bullseye, 6.0-focal, 5.0-focal, 3.1-focal
+ARG VARIANT="6.0-bullseye-slim"
+FROM mcr.microsoft.com/vscode/devcontainers/dotnet:0-${VARIANT}
 
-# [Option] Install Node.js
-ARG INSTALL_NODE="true"
-ARG NODE_VERSION="lts/*"
-RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "source /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
-
-# [Option] Install Azure CLI
-ARG INSTALL_AZURE_CLI="false"
-COPY library-scripts/azcli-debian.sh /tmp/library-scripts/
-RUN if [ "$INSTALL_AZURE_CLI" = "true" ]; then bash /tmp/library-scripts/azcli-debian.sh; fi \
-    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+# [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 \

.devcontainer/devcontainer.json

@@ -1,27 +1,24 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/dotnet
 {
-	"name": "C# (.NET Core)",
+	"name": "C# (.NET)",
 	"build": {
 		"dockerfile": "Dockerfile",
 		"args": { 
-			// Update 'VARIANT' to pick a .NET Core version: 2.1, 3.1
-			"VARIANT": "5.0",
+			// 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
-			"INSTALL_NODE": "false",
-			"NODE_VERSION": "lts/*",
-			"INSTALL_AZURE_CLI": "false"
+			"NODE_VERSION": "none"
 		}
 	},
 
 	// Set *default* container specific settings.json values on container create.
-	"settings": {
-		"terminal.integrated.shell.linux": "/bin/bash"
-	},
+	"settings": {},
 
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
-		"ms-dotnettools.csharp",
-        "editorconfig.editorconfig",
-        "eamodio.gitlens"
+		"ms-dotnettools.csharp"
 	],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
@@ -51,8 +48,8 @@
 	//      "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 sources/SloCovidServer/SloCovidServer.sln",
+	// "postCreateCommand": "dotnet restore",
 
-	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"
 }