added support for environment file; removed user directive; removed quotes from environment variables; referenced .env vars

vaultwarden/docker-compose.yml

@@ -1,22 +1,19 @@
-version: "3"
 services:
   vaultwarden:
     #image: vaultwarden/server:1.29.2
     image: vaultwarden/server:latest
     container_name: vaultwarden
-    user: 1000:1000
     ports:
       - 7080:80
       - 5443:443
     volumes:
       - vaultwarden_data:/data
     environment:
-      - WEBSOCKET_ENABLED="true"  # Enable WebSocket notifications
-      - ADMIN_TOKEN="bbhRvE7M/cZJ2b2bO5pC24z0gbdjpF7svlTWAAkDEm3sQ8WrVOjKZXePQ0JPlYLs"
-      - DOMAIN="https://pw.peterwood.rocks"
-      - ROCKET_PORT="80"
-      - ROCKET_PROFILE="release"
-# need more environment variables here
+      - WEBSOCKET_ENABLED=true  # Enable WebSocket notifications
+      - ADMIN_TOKEN=${ADMIN_TOKEN}
+      - DOMAIN=${DOMAIN}
+      - ROCKET_PORT=80
+      - ROCKET_PROFILE=release
     restart: always
 
 volumes: