diff --git a/.docker/entrypoint.sh b/.docker/entrypoint.sh
index 25beaf9..8f9634d 100644
--- a/.docker/entrypoint.sh
+++ b/.docker/entrypoint.sh
@@ -4,4 +4,8 @@
 usermod --non-unique --uid "${HOST_UID}" www-data
 groupmod --non-unique --gid "${HOST_GID}" www-data
 
+if [ ! -d "vendor" ] then
+  composer install
+fi
+
 php /var/www/html/vendor/bin/jigsaw serve --host=0.0.0.0