Added development with remote containers

.devcontainer/Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.12.9-buster
+ENV DEBIAN_FRONTEND=noninteractive
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=1000
+RUN apt-get update && \
+    apt-get -y install --no-install-recommends apt-utils 2>&1 && \
+    apt-get -y install git && \
+    go get -u -v \
+    github.com/ramya-rao-a/go-outline \
+    golang.org/x/tools/cmd/gopls 2>&1 && \
+    groupadd --gid $USER_GID $USERNAME && \
+    useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME && \
+    apt-get install -y sudo && \
+    echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME && \
+    chmod 0440 /etc/sudoers.d/$USERNAME && \
+    apt-get autoremove -y && \
+    apt-get clean -y && \
+    rm -rf /var/lib/apt/lists/*