Grafana Docker-Compose

this is my docker compose config `version: “3.9”

services:
grafana:
container_name: grafana
image: grafana/grafana-oss:9.0.5
volumes:
- ./data:/var/lib/grafana
- ./log:/var/log/grafana
- ./config/grafana.ini:/etc/grafana.ini
env_file:
- ./grafana.env
ports:
- 3000:3000
restart: always
environment:
GF_RENDERING_SERVER_URL: http://renderer:8081/render
GF_RENDERING_CALLBACK_URL: http://grafana:3000/
GF_LOG_FILTERS: rendering:debug
GF_UNIFIED_ALERTING_SCREENSHOTS: capture=true
restart: always
privileged: true
renderer:
image: grafana/grafana-image-renderer:latest
ports:
- ‘8081:8081’
restart: always`

I did not receive Graph screenshots when sending Alerts.
Please Help