feat(devcontainer): add go specific devcontainer

.devcontainer/Dockerfile

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+ARG GOLANG_VERSION=1.18
+FROM golang:${GOLANG_VERSION}-bullseye
+
+# [Option] Install zsh
+ARG INSTALL_ZSH="false"
+# [Option] Install oh-my-bash or zsh
+ARG INSTALL_OH_MYS="false"
+# [Option] Upgrade OS packages to their latest versions
+ARG UPGRADE_PACKAGES="true"
+# [Option] Enable non-root Docker access in container
+ARG ENABLE_NONROOT_DOCKER="true"
+# [Option] Needed for adding manpages-posix and manpages-posix-dev which are non-free packages in Debian
+ARG ADD_NON_FREE_PACKAGES="true"
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+ARG SOURCE_SOCKET=/var/run/docker-host.sock
+ARG TARGET_SOCKET=/var/run/docker.sock
+
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+COPY library-scripts/*.sh /tmp/library-scripts/
+
+RUN apt-get update
+RUN export DEBIAN_FRONTEND=noninteractive \
+	&& bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" \
+	&& apt-get -y install --no-install-recommends lynx
+# Use Docker script from script library to set things up
+RUN export DEBIAN_FRONTEND=noninteractive \
+	&& /bin/bash /tmp/library-scripts/docker-debian.sh "${ENABLE_NONROOT_DOCKER}" "${SOURCE_SOCKET}" "${TARGET_SOCKET}" "${USERNAME}"
+
+# Install GoLang and related tools
+ARG GOPATH="/go"
+RUN export DEBIAN_FRONTEND=noninteractive && \
+	if [ "$GOLANG_VERSION" != "" ]; then /bin/bash /tmp/library-scripts/go-debian.sh \
+	"${GOLANG_VERSION}" \
+	"/usr/local/go" \
+	"${GOPATH}" \
+	"${USERNAME}"; \
+	fi
+
+# [Option] Install project specific customizations
+ARG INSTALL_CUSTOMIZATION="true"
+ARG INSTALL_STARSHIP="true"
+ARG INSTALL_PROTOC="false"
+ARG INSTALL_KTUNNEL="false"
+RUN export DEBIAN_FRONTEND=noninteractive && \
+	if [ "$INSTALL_CUSTOMIZATION" = "true" ]; then /bin/bash /tmp/library-scripts/customization-debian.sh \
+	"${INSTALL_STARSHIP}" \
+	"${USERNAME}" \
+	"${USER_UID}" \
+	"${USER_GID}"; \
+	fi
+
+# Clean up
+RUN apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts/ /tmp/config/
+
+# Setting the ENTRYPOINT to docker-init.sh will configure non-root access to
+# the Docker socket if "overrideCommand": false is set in devcontainer.json.
+# The script will also execute CMD if you need to alter startup behaviors.
+ENTRYPOINT [ "/usr/local/share/docker-init.sh" ]
+CMD [ "sleep", "infinity" ]

.devcontainer/devcontainer.json

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+{
+	"dockerFile": "./Dockerfile",
+	"extensions": [
+		"eamodio.gitlens",
+		"editorconfig.editorconfig",
+		"golang.go",
+	],
+	"mounts": [
+		"type=bind,src=${localWorkspaceFolder},dst=/app,consistency=cached",
+		"type=bind,src=${localEnv:HOME}${localEnv:USERPROFILE}/.ssh,dst=/home/vscode/.ssh,consistency=cached",
+		"type=volume,src=vscode-extensions,dst=/home/vscode/.vscode-server/extensions",
+		"type=volume,src=vscode-extensions-insiders,dst=/home/vscode/.vscode-server-insiders/extensions",
+		"type=volume,src=bashhistory,dst=/home/vscode/.bashhistory",
+	],
+	"name": "rea",
+	// Use this environment variable if you need to bind mount your local source code into a new container.
+	"remoteEnv": {
+		"LOCAL_WORKSPACE_FOLDER": "${localWorkspaceFolder}"
+	},
+	"remoteUser": "vscode",
+	"settings": {
+		"editor.formatOnSave": true,
+		"go.useLanguageServer": true,
+		"go.gopath": "/go",
+		"go.toolsGopath": "/go/bin",
+	},
+	"workspaceFolder": "/app",
+}