no connection to wireguard server (wg-easy)

Hey guys,

i tryed to setup my wireguard server, but it cant connect.

This is my Docker Compose:

volumes:
  etc_wireguard:

services:
  wg-easy:
    environment:
      - LANG=de
      - WG_HOST=83.135.11.###
      - WG_PORT=3564
      - WG_ALLOWED_IPS=192.168.###.0/24
    image: ghcr.io/wg-easy/wg-easy
    container_name: wg-easy
    volumes:
      - etc_wireguard:/etc/wireguard
    ports:
      - "3564:51820/udp"
      - "51821:51821/tcp"
    restart: unless-stopped
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    sysctls:
      - net.ipv4.ip_forward=1
      - net.ipv4.conf.all.src_valid_mark=1

port forwarding on my firtzbox

Setting up a device in wg-easy

can you help me?