Fix docker compose.

docker-compose.yml

@@ -41,6 +41,7 @@ services:
   slidgram:
     image: codeberg.org/slidge/slidgram:latest
     container_name: slidgram
+    user: "100:102"
     environment:
       SLIDGE_JID: telegram.guschin.info
       SLIDGE_SECRET: ${SLIDGRAM_COMPONENT_SECRET}