improve the debugging experience (#101779)

improve debugging experience

.vscode/launch.json

@@ -11,6 +11,11 @@
       "cwd": "${workspaceFolder}",
       "args": ["server", "--homepath", "${workspaceFolder}", "--packaging", "dev", "cfg:app_mode=development"]
     },
+    {
+      "name": "Attach to Go Process",
+      "type": "go",
+      "request": "attach"
+    },
     {
       "name": "Attach to Test Process",
       "type": "go",

pkg/build/cmd.go

@@ -185,6 +185,11 @@ func doBuild(binaryName, pkg string, opts BuildOpts) error {
 
 	args := []string{"build", "-ldflags", lf}
 
+	if opts.isDev {
+		// disable optimizations, so debugger will work
+		args = append(args, "-gcflags", "all=-N -l")
+	}
+
 	if opts.goos == GoOSWindows {
 		// Work around a linking error on Windows: "export ordinal too large"
 		args = append(args, "-buildmode=exe")