change locale

Dockerfile

@@ -25,5 +25,5 @@ COPY logging.properties /opt/tomcat8/conf/
 RUN set -eux; \
     localedef -i ru_RU -c -f UTF-8 -A /usr/share/locale/locale.alias ru_RU.UTF-8
 USER tomcat
-RUN ENV LANG ru_RU.utf8
+ENV LANG ru_RU.utf8
 CMD ["catalina.sh", "run"]