message: don't define `KEYCLOAK_URL` as it is done in docker-compose.yml
diff: @@ -5,7 +5,6 @@ ENV NODE_OPTIONS="--max-old-space-size=2048" \
  LOGSDB_KIBANASERVER_PASSWORD=kibanaserver \
  LOGSDB_ADMIN_PASSWORD=admin \
  ELASTICSEARCH_URL=http://logs-db:9200 \
  - KEYCLOAK_URL=http://docker.for.mac.localhost:8088 \
  SEARCHGUARD_OPENID_CLIENT_SECRET=xxxx
  RUN echo $'xpack.security.enabled: false\n\
  