diff --git a/Dockerfile b/Dockerfile
index 36de1281a0aaa22ab3b9eef23cc9cd8938d07b3b..8f9c64e0e3e9acbe6b5f9bb71e09063372718ebb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,6 @@ FROM nginx:alpine
 ADD run.sh /run.sh
 ADD default.conf /etc/nginx/conf.d/default.conf
 
-CMD sh run.sh
+RUN chmod +x /run.sh
+
+CMD ["/run.sh"]
diff --git a/run.sh b/run.sh
index 38421fe4a8e74b5539fab1b49e7c8bc13222e05e..1f81126df4a8904b1bd85e54dac202224b99de57 100644
--- a/run.sh
+++ b/run.sh
@@ -25,4 +25,4 @@ sed -i "s|\${SERVER_REDIRECT_CODE}|${SERVER_REDIRECT_CODE}|" /etc/nginx/conf.d/d
 sed -i "s|\${SERVER_REDIRECT_PATH}|${SERVER_REDIRECT_PATH}|" /etc/nginx/conf.d/default.conf
 sed -i "s|\${SERVER_REDIRECT_SCHEME}|${SERVER_REDIRECT_SCHEME}|" /etc/nginx/conf.d/default.conf
 
-nginx -g 'daemon off;'
+exec nginx -g 'daemon off;'