go/.devcontainer/devcontainer.json

{
	"name": "Go",
	"build": {
		"dockerfile": "Dockerfile",
		// Update the VARIANT arg to pick a version of Go
		"args": { "VARIANT": "1" }
	},
	"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.gopath": "/go",
		"go.inferGopath": true,
		"go.useLanguageServer": true
	},
	
	// 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": [9000],

	// Use 'postCreateCommand' to run commands after the container is created.
	// "postCreateCommand": "go version",

	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
	"remoteUser": "vscode"
}