[golang] - debugging golang with delve

delve.md

How to Debug a Golang Application with Delve on Visual Studio Code

To debug your Golang application using Delve in Visual Studio Code, follow these steps:

1. Install Delve:

   go install github.com/go-delve/delve/cmd/dlv@latest

2. Ensure Go Path is Set in Your Shell: Add the following lines to your shell configuration file (e.g., .zshrc or .bashrc):

   . ~/.asdf/plugins/golang/set-env.zsh
   
   export GOPATH=$HOME/.asdf/installs/golang/1.22.10
   export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

   Then, reload your shell configuration:

   source ~/.zshrc  # Use ~/.bashrc for Bash

3. Add Delve Path to Visual Studio Code Settings: Open Visual Studio Code settings and update your settings.json file with the following configuration:

   {
     "go.alternateTools": {
       "dlv": "/home/martins/.asdf/installs/golang/1.22.10/bin/dlv"
     }
   }

4. Create Debug Configuration: Create or update the .vscode/launch.json file in your project directory with the following configuration:

   {
     "version": "0.2.0",
     "configurations": [
       {
         "name": "golang debug",
         "type": "go",
         "request": "launch",
         "mode": "auto",
         "program": "${workspaceFolder}/cmd/server", // Path to application entry point
         "env": {
           "APP_PORT": "#",
           "DB_HOST": "#",
           "DB_USER": "#",
           "DB_PASSWORD": "#",
           "DB_NAME": "#",
           "DB_PORT": "#",
           "JWT_SECRET": "#",
           "JWT_EXPIRES_IN": "#"
         },
         "args": [],
         "cwd": "${workspaceFolder}"
       }
     ]
   }

With these steps completed, you can press F5 in Visual Studio Code to start debugging your application.