fix(certbot): fix variable check

nginx/run.sh

@@ -21,7 +21,7 @@ fi
 
 echo "generated nginx-config"
 
-if [ $RUN_CERTBOT == "\"true\"" ]; then
+if [ $RUN_CERTBOT == "true" ]; then
   # check for undefined variables
   set -u 
   # Run certbot which should get certificates and modify your nginx config