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.
-    && 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
-    && 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 \
+    # Install gocode-gomod
+    && 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
-# ENV GO111MODULE=on
+# Switch back to dialog for any ad-hoc use of apt-get
+ENV DEBIAN_FRONTEND=dialog