Fix CHANGE_SOURCE argument always false for nginx's Dockerfile (#1786)

docker-compose.yml

@@ -193,6 +193,7 @@ services:
         args:
           - PHP_UPSTREAM_CONTAINER=${NGINX_PHP_UPSTREAM_CONTAINER}
           - PHP_UPSTREAM_PORT=${NGINX_PHP_UPSTREAM_PORT}
+          - CHANGE_SOURCE=${CHANGE_SOURCE}
       volumes:
         - ${APP_CODE_PATH_HOST}:${APP_CODE_PATH_CONTAINER}
         - ${NGINX_HOST_LOG_PATH}:/var/log/nginx