fix(docker): restore accidental deletion in docker-run.sh (#2858)

Refs #2853

Author: char0n

docker-run.sh

@@ -33,9 +33,11 @@ fi
 
 ## Adding env var support for `queryConfigEnabled` core configuration parameter of SwaggerUI
 if [[ "${QUERY_CONFIG_ENABLED}" = "true" ]]; then
-  sed -i 's|queryConfigEnabled: false|queryConfigEnabled: true|' $INDEX_FILE
+  sed -i "s|queryConfigEnabled: false|queryConfigEnabled: true|" $INDEX_FILE
 fi
 
+exec nginx -g 'daemon off;'
+
 ## Gzip after replacements
 #find /usr/share/nginx/html/ -type f -regex ".*\.\(html\|js\|css\)" -exec sh -c "gzip < {} > {}.gz" \;
 #