diff --git a/03/Dockerfile b/03/Dockerfile
index 36962dc..e25e0b1 100644
--- a/03/Dockerfile
+++ b/03/Dockerfile
@@ -6,4 +6,4 @@ COPY . /var/www/html/
 
 RUN chown -R www-data:www-data /var/www/html
 
-EXPOSE 80
\ No newline at end of file
+EXPOSE 3000
\ No newline at end of file