debugging golang using visual studio code (vscode)

To debug golang using vscode is quite easy. There are just 2 steps to do it.

1. download delve (go debugger) from https://github.com/derekparker/delve and follow the step to install it, e.g., for Mac OSX user, just run

go get -u github.com/derekparker/delve/cmd/dlv


2. setup launch.json in vscode like this

{

// Use IntelliSense to learn about possible attributes.

// Hover to view descriptions of existing attributes.

// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387

"version": "0.2.0",

"configurations": [

{

"name": "Go debug",

"type": "go",

"request": "launch",

"mode": "debug",

"remotePath": "",

"port": 2345,

"host": "127.0.0.1",

"program": "${workspaceRoot}",

"env": {},

"args": [],

"cwd": "${workspaceRoot}",

"showLog": true

}

]

}

3. create main.go, and try to debug it

If you see error "econnrefused 127.0.0.1:2345", try remove host and port

{

// Use IntelliSense to learn about possible attributes.

// Hover to view descriptions of existing attributes.

// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387

"version": "0.2.0",

"configurations": [

{

"name": "Go debug",

"type": "go",

"request": "launch",

"mode": "debug",

"remotePath": "",

"program": "${workspaceRoot}",

"env": {},

"args": [],

"cwd": "${workspaceRoot}",

"showLog": true

}

]

}