Update Authelia configuration to use environment variables for domains and secrets

docker-compose.yml

@@ -118,6 +118,10 @@ services:
       - ./authelia:/config
     environment:
       TZ: "${TZ}"
+      AUTHELIA_JWT_SECRET: "${AUTHELIA_JWT_SECRET}"
+      AUTHELIA_SESSION_SECRET: "${AUTHELIA_SESSION_SECRET}"
+      AUTHELIA_STORAGE_ENCRYPTION_KEY: "${AUTHELIA_STORAGE_ENCRYPTION_KEY}"
+      DOMAIN: "${DOMAIN}"
     labels:
       - traefik.enable=true
       - traefik.http.routers.authelia.rule=Host(`auth.gate.${DOMAIN}`)