Clarify requirements, fix for smoke tests

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:0-10
+FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:0-12
 
 ARG TARGET_DISPLAY=":1"
 

.devcontainer/README.md

@@ -6,9 +6,9 @@ This repository includes configuration for a development container for working w
 
 ## Quick start - local
 
-1. Install Docker Desktop or Docker on your local machine. (See [docs](https://aka.ms/vscode-remote/containers/getting-started) for additional details.)
+1. Install Docker Desktop or Docker for Linux on your local machine. (See [docs](https://aka.ms/vscode-remote/containers/getting-started) for additional details.)
 
-2. [Docker Desktop] If you are not using the new WSL2 Docker Desktop engine, increase the resources allocated to Docker Desktop to at least **4 Cores and 4 GB of RAM (8 GB recommended)**. Right-click on the Docker status bar item, go to **Preferences/Settings > Resources > Advanced** to do so.
+2. **Important**: Docker needs at least **4 Cores and 6 GB of RAM (8 GB recommended)** to run full build. If you on macOS, or using the old Hyper-V engine for Windows, update these values for Docker Desktop by right-clicking on the Docker status bar item, going to **Preferences/Settings > Resources > Advanced**.
 
     > **Note:** The [Resource Monitor](https://marketplace.visualstudio.com/items?itemName=mutantdino.resourcemonitor) extension is included in the container so you can keep an eye on CPU/Memory in the status bar.
 
@@ -44,7 +44,7 @@ Next: **[Try it out!](#try-it)**
 
 3. Press <kbd>Ctrl/Cmd</kbd> + <kbd>Shift</kbd> + <kbd>P</kbd> and select **Codespaces: Create New Codespace**.
 
-4. Use default settings, select a plan, and then enter the repository URL `https://github.com/microsoft/vscode` (or a branch or PR URL) in the input box when prompted.
+4. Use default settings (which should include **Standard** 4 core, 8 GB RAM Codespace), select a plan, and then enter the repository URL `https://github.com/microsoft/vscode` (or a branch or PR URL) in the input box when prompted.
 
 5. After the container is running, open a web browser and go to [http://localhost:6080](http://localhost:6080) or use a [VNC Viewer](https://www.realvnc.com/en/connect/download/viewer/) to connect to `localhost:5901` and enter `vscode` as the password.
 

.devcontainer/devcontainer.json

@@ -12,7 +12,11 @@
 		}
 	},
 	"overrideCommand": false,
-	"runArgs": ["--init"],
+	"runArgs": [
+		"--init",
+		// seccomp=unconfined is required for Chrome sandboxing
+		"--security-opt", "seccomp=unconfined"
+	],
 
 	"settings": {
 		// zsh is also available

README.md

@@ -56,7 +56,12 @@ VS Code includes a set of built-in extensions located in the [extensions](extens
 
 ## Development Container
 
-This repository includes a Visual Studio Code Remote - Containers / Codespaces development container. You can open it using the **Remote-Containers: Open Repository in Container...** from the [Remote - Containers](https://aka.ms/vscode-remote/download/containers) extension or by referencing the repository Git URL when creating a cloud-based environment using the [Visual Studio Codespaces](https://aka.ms/vscs-ext-vscode) extension. See the [development container README](.devcontainer/README.md) for more details on its use.
+This repository includes a Visual Studio Code Remote - Containers / Codespaces development container.
+
+- For [Remote - Containers](https://aka.ms/vscode-remote/download/containers), use the **Remote-Containers: Open Repository in Container...** command which creates a Docker volume for better disk I/O on macOS and Windows.
+- For Codespaces, install the [Visual Studio Codespaces](https://aka.ms/vscs-ext-vscode) extension in VS Code, and use the **Codespaces: Create New Codespace** command.
+
+Docker / the Codespace should have at least **4 Cores and 6 GB of RAM (8 GB recommended)** to run full build. See the [development container README](.devcontainer/README.md) for more information.
 
 ## Code of Conduct