diff --git a/apps/canvas/server/main.go b/apps/canvas/server/main.go
index 7608049..82db481 100644
--- a/apps/canvas/server/main.go
+++ b/apps/canvas/server/main.go
@@ -108,11 +108,19 @@
 	json.NewEncoder(w).Encode(resp)
 }
 
+func getPort() string {
+	if p, ok := os.LookupEnv("DODO_PORT_WEB"); ok {
+		return p
+	}
+	panic("port missing")
+}
+
 func main() {
+	port := getPort()
 	http.HandleFunc("GET /saved", handleSavedGet)
 	http.HandleFunc("POST /saved", handleSave)
 	http.HandleFunc("GET /env", handleEnv)
 	http.HandleFunc("POST /deploy", handleDeploy)
-	http.Handle("/", http.FileServer(http.Dir("/home/gio/code/dist")))
-	log.Fatal(http.ListenAndServe(":3000", nil))
+	http.Handle("/", http.FileServer(http.Dir("./front")))
+	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%s", port), nil))
 }