merge it

.devcontainer/Dockerfile

@@ -0,0 +1,18 @@
+# [Choice] Go version: 1, 1.16, 1.15
+ARG VARIANT=1
+FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
+
+# [Option] Install Node.js
+ARG INSTALL_NODE="true"
+ARG NODE_VERSION="lts/*"
+RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment the next line to use go get to install anything else you need
+# RUN go get -x <your-dependency-or-tool>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/base.Dockerfile

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+# [Choice] Go version: 1, 1.16, 1.15
+ARG VARIANT=1
+FROM golang:${VARIANT}
+
+# [Option] Install zsh
+ARG INSTALL_ZSH="true"
+# [Option] Upgrade OS packages to their latest versions
+ARG UPGRADE_PACKAGES="true"
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+COPY library-scripts/common-debian.sh /tmp/library-scripts/
+RUN bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" "true" "true" \
+    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+# Install Go tools
+ENV GO111MODULE=auto
+COPY library-scripts/go-debian.sh /tmp/library-scripts/
+RUN bash /tmp/library-scripts/go-debian.sh "none" "/usr/local/go" "${GOPATH}" "${USERNAME}" "false" \
+    && apt-get clean -y && rm -rf /tmp/library-scripts
+
+# [Option] Install Node.js
+ARG INSTALL_NODE="true"
+ARG NODE_VERSION="none"
+ENV NVM_DIR=/usr/local/share/nvm
+ENV NVM_SYMLINK_CURRENT=true \
+    PATH=${NVM_DIR}/current/bin:${PATH}
+COPY library-scripts/node-debian.sh /tmp/library-scripts/
+RUN if [ "$INSTALL_NODE" = "true" ]; then bash /tmp/library-scripts/node-debian.sh "${NVM_DIR}" "${NODE_VERSION}" "${USERNAME}"; fi \
+    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+# [Optional] Uncomment the next line to use go get to install anything else you need
+# RUN go get -x <your-dependency-or-tool>
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

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+{
+	"name": "Go",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Update the VARIANT arg to pick a version of Go: 1, 1.16, 1.15
+			"VARIANT": "1.16",
+			// Options
+			"INSTALL_NODE": "false",
+			"NODE_VERSION": "lts/*"
+		}
+	},
+	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"terminal.integrated.shell.linux": "/bin/bash",
+		"go.toolsManagement.checkForUpdates": "local",
+		"go.useLanguageServer": true,
+		"go.gopath": "/go",
+		"go.goroot": "/usr/local/go"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"golang.Go"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "go version",
+
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}

.devcontainer/library-scripts/README.md

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+# Warning: Folder contents may be replaced
+
+The contents of this folder will be automatically replaced with a file of the same name in the [vscode-dev-containers](https://github.com/microsoft/vscode-dev-containers) repository's [script-library folder](https://github.com/microsoft/vscode-dev-containers/tree/master/script-library) whenever the repository is packaged.
+
+To retain your edits, move the file to a different location. You may also delete the files if they are not needed.