fix cs3 users example

deployments/examples/cs3_users_ocis/docker-compose.yml

@@ -75,8 +75,6 @@ services:
       STORAGE_LDAP_GROUPFILTER: '(&(objectclass=groupOfUniqueNames)(objectclass=owncloud)(ownclouduuid={{.OpaqueId}}*))'
       # web ui
       WEB_UI_CONFIG: "/var/tmp/ocis/.config/web-config.json"
-      # proxy
-      PROXY_CONFIG_FILE: "/var/tmp/ocis/.config/proxy-config.json"
       # General oCIS config
       OCIS_URL: https://${OCIS_DOMAIN:-ocis.owncloud.test}
       OCIS_DOMAIN: ${OCIS_DOMAIN:-ocis.owncloud.test}
@@ -90,7 +88,7 @@ services:
     volumes:
       - ./config/ocis/entrypoint-override.sh:/entrypoint-override.sh
       - ./config/ocis/web-config.dist.json:/config/web-config.dist.json
-      - ./config/ocis/proxy-config.json:/config/proxy-config.json
+      - ./config/ocis/proxy.json:/etc/ocis/proxy.json
       - ocis-data:/var/lib/ocis
     labels:
       - "traefik.enable=true"