fix

internal/app/integrations.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"net/http"
 	"net/url"
+	"path/filepath"
 	"strings"
 )
 
@@ -56,10 +57,15 @@ func (a *App) ensureCaddyRoute(ctx context.Context, p Project) error {
 	if !a.cfg.CaddyRouteEnabled {
 		return nil
 	}
+	projectDir, err := a.projectDirFor(p)
+	if err != nil {
+		return err
+	}
+	socketPath := filepath.Join(projectDir, "app.sock")
 	route := map[string]any{
 		"@id":    "project-route-" + p.UserID + "-" + p.Slug,
 		"match":  []any{map[string]any{"host": []string{p.RouteHost}}},
-		"handle": []any{map[string]any{"handler": "reverse_proxy", "upstreams": []any{map[string]any{"dial": fmt.Sprintf("127.0.0.1:%d", p.TargetPort)}}}},
+		"handle": []any{map[string]any{"handler": "reverse_proxy", "upstreams": []any{map[string]any{"dial": "unix/" + socketPath}}}},
 	}
 	body, _ := json.Marshal(route)
 	url := fmt.Sprintf("%s/config/apps/http/servers/%s/routes", a.cfg.CaddyAdminURL, a.cfg.CaddyServerID)