.env variables not works in docker compose file

[ta1kun]

hi,
i try to use environment variables in docker compose file but not works. pls let me know how to solve it. thx

---

version: "3"
services:
briefing:
image: holtwick/briefing:latest
restart: always
container_name: briefing
user: 1000:1000
ports:
- 8080:8080
volumes:
- ./docker/app/data:/app/data
environment:
- BRIEFING_SHOW_INVITATION_HINT=0
- BRIEFING_SHOW_INVITATION=0
- BRIEFING_ROOM_PATH=/room/