Updates for 1.41

.devcontainer/Dockerfile

@@ -8,7 +8,10 @@ FROM golang:1
 # Avoid warnings by switching to noninteractive
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Or your actual UID, GID on Linux if not the default 1000
+# This Dockerfile adds 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=vscode
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID
@@ -18,25 +21,10 @@ RUN apt-get update \
     && apt-get -y install --no-install-recommends apt-utils dialog 2>&1 \
     #
     # Verify git, process tools, lsb-release (common in install instructions for CLIs) installed
-    && apt-get -y install git procps lsb-release \
+    && apt-get -y install git iproute2 procps lsb-release \
     #
-    # Create a non-root user to use if preferred - see https://aka.ms/vscode-remote/containers/non-root-user.
+    # Install gocode-gomod
-    && groupadd --gid $USER_GID $USERNAME \
+    && go get -x -d github.com/stamblerre/gocode 2>&1 \
-    && useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME \
-    # [Optional] Add sudo support
-    && apt-get install -y sudo \
-    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
-    && chmod 0440 /etc/sudoers.d/$USERNAME \
-    #
-    # Clean up
-    && apt-get autoremove -y \
-    && apt-get clean -y \
-    && rm -rf /var/lib/apt/lists/*
-
-USER $USERNAME
-
-# Install gocode-gomod
-RUN go get -x -d github.com/stamblerre/gocode 2>&1 \
     && go build -o gocode-gomod github.com/stamblerre/gocode \
     && mv gocode-gomod $GOPATH/bin/ \
     #
@@ -66,8 +54,18 @@ RUN go get -x -d github.com/stamblerre/gocode 2>&1 \
         github.com/mgechev/revive \
         github.com/derekparker/delve/cmd/dlv 2>&1 \
     #
+    # Create a non-root user to use if preferred - see https://aka.ms/vscode-remote/containers/non-root-user.
+    && groupadd --gid $USER_GID $USERNAME \
+    && useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME \
+    # [Optional] Add sudo support
+    && apt-get install -y sudo \
+    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME \
+    #
     # Clean up
-    && rm -rf /go/src
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/* /go/src
 
-# Uncomment the line below if you are using go modules
+# Switch back to dialog for any ad-hoc use of apt-get
-# ENV GO111MODULE=on
+ENV DEBIAN_FRONTEND=dialog

.devcontainer/devcontainer.json

@@ -1,19 +1,12 @@
 {
-	"name": "Go",
+	"name": "Go Sample",
 	"dockerFile": "Dockerfile",
+	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
 
-	// Specifies a list of ports the container should publish
+	// 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": [9000],
 
-	"runArgs": [
-		// Uncomment the next line to run as root instead. Linux users, 
-		// update Dockerfile with your user's UID/GID if not 1000 when
-		// using the default "vscode" user.
-		// "-u", "root",
-
-		"--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"
-	],
-
 	// 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.
 	"settings": { 
@@ -26,6 +19,10 @@
 	// Uncomment the next line to run commands after the container is created.
 	// "postCreateCommand": "go version",
 
+	// Comment out the next line to run as root
+	"remoteUser": "vscode",
+
+	// Add the IDs of extensions you want installed when the container is created in the array below.
 	"extensions": [
 		"ms-vscode.go"
 	]

.gitignore

@@ -332,4 +332,5 @@ ASALocalRun/
 *.DS_Store
 
 out
+pkg
 debug

README.md

@@ -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` 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 to your local filesystem.
-   - Clone this repository.
    - 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. Uncomment `"-u", "root"` 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: