diff --git a/.gitignore b/.gitignore
index c3dec52..2436084 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 *.swp
 .env
 .envrc
+.vimrc
diff --git a/webcrawler b/webcrawler
index 698a588..a05e711 100755
--- a/webcrawler
+++ b/webcrawler
@@ -1,9 +1,18 @@
 #!/usr/bin/env racket
-#lang racket/base
+#lang racket
+; vim: ft=racket
 (require smol-http)
 
 (define req
   (make-http-req 'GET "/hello-world"))
 
-(module+ main
+(define (run-webcrawler username password)
+  (printf "the credentials are: ~s ~s\n" username password)
   (write-http-msg req))
+
+(module+ main
+  (command-line
+    #:program "webcrawler"
+    #:args
+    (username password)
+    (run-webcrawler username password)))