Add configuration for VSCode's Remote Container development

.devcontainer/devcontainer.json

@@ -0,0 +1,59 @@
+{
+	"name": "Go",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Update the VARIANT arg to pick a version of Go: 1, 1.15, 1.14
+			"VARIANT": "1.15",
+			// Options
+			"INSTALL_NODE": "true",
+			"NODE_VERSION": "v14"
+		}
+	},
+	"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.useGoProxyToCheckForToolUpdates": false,
+		"go.useLanguageServer": true,
+		"go.gopath": "/go",
+		"go.goroot": "/usr/local/go",
+		"go.toolsGopath": "/go/bin",
+		"go.formatTool": "goimports",
+		"go.lintOnSave": "package",
+		"go.lintTool": "golangci-lint",
+		"editor.formatOnSave": true,
+		"[javascript]": {
+			"editor.defaultFormatter": "esbenp.prettier-vscode"
+		},
+		"[json]": {
+			"editor.defaultFormatter": "esbenp.prettier-vscode"
+		},
+		"[jsonc]": {
+			"editor.defaultFormatter": "vscode.json-language-features"
+		}
+	},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"golang.Go",
+		"esbenp.prettier-vscode",
+		"tamasfe.even-better-toml"
+	],
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		4533,
+		4633
+	],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "make setup-dev",
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"remoteEnv": {
+		"ND_MUSICFOLDER": "./music",
+		"ND_DATAFOLDER": "./data"
+	}
+}