message: fix missing keycloak admin password
diff: @@ -6,7 +6,8 @@ ENV NODE_OPTIONS="--max-old-space-size=2048" \
  LOGSDB_ADMIN_PASSWORD=admin \
  ELASTICSEARCH_URL=http://logs-db:9200 \
  SEARCHGUARD_OPENID_CLIENT_SECRET=xxxx \
  - KEYCLOAK_ADMIN_USER=admin
  + KEYCLOAK_ADMIN_USER=admin \
  + KEYCLOAK_ADMIN_PASSWORD=admin
  RUN echo $'xpack.security.enabled: false\n\
  xpack.monitoring.enabled: false\n\
  