Updates for 1.41

.devcontainer/Dockerfile

@@ -5,22 +5,23 @@
 
 FROM node:10
 
-# Avoid warnings by switching to noninteractive
-ENV DEBIAN_FRONTEND=noninteractive
-
-# The node image comes with a base non-root 'node' user which this Dockerfile
-# gives sudo access. However, for Linux, this user's GID/UID must match your local
-# user UID/GID to avoid permission issues with bind mounts. Update USER_UID / USER_GID 
-# if yours is not 1000. See https://aka.ms/vscode-remote/containers/non-root-user.
+# The node image includes a non-root user with sudo access. Use the "remoteUser"
+# property in devcontainer.json to use it. On Linux, the container user's GID/UIDs
+# will be updated to match your local UID/GID (when using the dockerFile property).
+# See https://aka.ms/vscode-remote/containers/non-root-user for details.
+ARG USERNAME=node
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID
 
+# Avoid warnings by switching to noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
+
 # Configure apt and install packages
 RUN apt-get update \
     && apt-get -y install --no-install-recommends apt-utils dialog 2>&1 \ 
     #
     # Verify git and needed tools are installed
-    && apt-get install -y git procps \
+    && apt-get -y install git iproute2 procps \
     #
     # Remove outdated yarn from /opt and install via package 
     # so it can be easily updated via apt-get upgrade yarn
@@ -36,13 +37,16 @@ RUN apt-get update \
     # Install eslint globally
     && npm install -g eslint \
     #
-    # Create a non-root user to use if preferred - see https://aka.ms/vscode-remote/containers/non-root-user.
-    && if [ "$USER_GID" != "1000" ]; then groupmod node --gid $USER_GID; fi \
-    && if [ "$USER_UID" != "1000" ]; then usermod --uid $USER_UID node; fi \
-    # [Optional] Add sudo support for non-root users
+    # [Optional] Update a non-root user to UID/GID if needed.
+    && if [ "$USER_GID" != "1000" ] || [ "$USER_UID" != "1000" ]; then \
+        groupmod --gid $USER_GID $USERNAME \
+        && usermod --uid $USER_UID --gid $USER_GID $USERNAME \
+        && chown -R $USER_UID:$USER_GID /home/$USERNAME; \
+    fi \
+    # [Optional] Add add sudo support for non-root user
     && apt-get install -y sudo \
-    && echo node ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/node \
-    && chmod 0440 /etc/sudoers.d/node \
+    && echo node ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME \
     #
     # Clean up
     && apt-get autoremove -y \
@@ -50,4 +54,4 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/*
 
 # Switch back to dialog for any ad-hoc use of apt-get
-ENV DEBIAN_FRONTEND=
+ENV DEBIAN_FRONTEND=dialog

.devcontainer/devcontainer.json

@@ -2,12 +2,12 @@
     "name": "Node.js Sample",
     "dockerFile": "Dockerfile",
 
-    // Specifies a list of ports that should be published.
+    // Use 'appPort' to create a container with published ports. If the port isn't working, be sure
+    // your server accepts connections from all interfaces (0.0.0.0 or '*'), not just localhost.
     "appPort": [3000],
 
-    // Comment out the next line to run as root instead. Linux users, update
-    // Dockerfile with your user's UID/GID if not 1000.
-    "runArgs": [ "-u", "node" ],
+    // Comment out the next line to run as root instead.
+    "remoteUser": "node",
 
     // Use 'settings' to set *default* container specific settings.json values on container create. 
     // You can edit these settings after create using File > Preferences > Settings > Remote.
@@ -18,6 +18,7 @@
     // Specifies a command that should be run after the container has been created.
     "postCreateCommand": "yarn install",
 
+    // Add the IDs of extensions you want installed when the container is created in the array below.
     "extensions": [
         "dbaeumer.vscode-eslint"
     ]

README.md

@@ -2,7 +2,7 @@
 
 This is a sample project that lets you try out the **[VS Code Remote - Containers](https://aka.ms/vscode-remote/containers)** extension in a few easy steps.
 
-> **Note:** If you're following the quick start, you can jump to the [Things to try](#things-to-try) section. 
+> **Note:** If you're following the quick start, you can jump to the [Things to try](#things-to-try) section.
 
 ## Setting up the development container
 
@@ -10,18 +10,23 @@ Follow these steps to open this sample in a container:
 
 1. If this is your first time using a development container, please follow the [getting started steps](https://aka.ms/vscode-remote/containers/getting-started).
 
-2. **Linux users:** Update `USER_UID` and `USER_GID` in `.devcontainer/Dockerfile` and `"runArgs": [ "-u": "1000" ]` in `.devcontainer/devcontainer.json` with your user UID/GID if not 1000 to avoid creating files as root.
+2. To use this repository, you can either open a locally cloned copy of the code:
 
-3. If you're not yet in a development container:
-   - Clone this repository.
+   - Clone this repository to your local filesystem.
    - Press <kbd>F1</kbd> and select the **Remote-Containers: Open Folder in Container...** command.
    - Select the cloned copy of this folder, wait for the container to start, and try things out!
 
+   Or open the repository in an isolated Docker volume:
+
+    - Press <kbd>F1</kbd> and select the **Remote-Containers: Try a Sample...** command.
+    - Choose the "Node" sample, wait for the container to start and try things out!
+        > **Note:** Under the hood, this will use **Remote-Containers: Open Repository in Container...** command to clone the source code in a Docker volume instead of the local filesystem.
+
 ## Things to try
 
 Once you have this sample opened in a container, you'll be able to work with it like you would locally.
 
-> **Note:** This container runs as a non-root user with sudo access by default. Comment out `"runArgs":["-u", "1000"]` in `.devcontainer/devcontainer.json` if you'd prefer to run as root.
+> **Note:** This container runs as a non-root user with sudo access by default. Comment out `"remoteUser": "node"` in `.devcontainer/devcontainer.json` if you'd prefer to run as root.
 
 Some things to try: