diff --git a/docker_init.sh b/docker_init.sh
index 7298613c..23d9cfa4 100755
--- a/docker_init.sh
+++ b/docker_init.sh
@@ -1,12 +1,13 @@
 #!/bin/sh
 case $1 in
 	master)
-		cd /opt/crawlab/frontend \
+		cd $WORK_DIR/frontend \
 			&& npm run build:prod \
 			&& service nginx start
 		python $WORK_DIR/crawlab/flower.py >> /opt/crawlab/flower.log 2>&1 &
 		python $WORK_DIR/crawlab/worker.py >> /opt/crawlab/worker.log 2>&1 &
-		python $WORK_DIR/crawlab/app.py
+		cd $WORK_DIR/crawlab \
+			&& gunicorn --log-level=DEBUG -b 0.0.0.0 -w 8 $WORK_DIR/crawlab/app:app
 			;;
 	worker)
 		python $WORK_DIR/crawlab/app.py >> /opt/crawlab/app.log 2>&1 &