Running zammad in docker behind caddy in docker

This is my env configs:

BACKUP_DIR=/var/tmp/zammad
BACKUP_TIME=03:00
HOLD_DAYS=10
MEMCACHE_SERVERS=zammad-memcached:11211
NGINX_SERVER_NAME=zammad.domain.space
NGINX_SERVER_SCHEME=https
POSTGRESQL_OPTIONS=?pool=50
POSTGRES_DB=zammad_production
POSTGRES_HOST=zammad-postgresql
POSTGRES_PASS=pass
POSTGRES_PORT=5432
POSTGRES_USER=zammad
RAILS_TRUSTED_PROXIES=["127.0.0.1", "::1", "192.168.16.2", "172.18.0.2"]
REDIS_URL=redis://zammad-redis:6379
VIRTUAL_HOST=zammad.domain.space
ZAMMAD_FQDN=zammad.domain.space
ZAMMAD_HTTP_TYPE=https

This is my caddy coolify config:

https://zammad.domain.space {
	reverse_proxy header_up x-forwarded-proto https
}

172.18.0.2 is the address of my caddy instance. They are running in the same docker network