fix docker compose default env var

PrinsINT · PrinsINT · commit 98be010a6584 · 2025-04-07T16:46:03.000+02:00
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -1,8 +1,8 @@
 x-defaults: &defaults
     restart: unless-stopped
     environment:
-        - NUM_WORKERS=${NUM_WORKERS:=1}
-        - CALLBACK_SERVER=${CALLBACK_SERVER:=""}
+        - NUM_WORKERS=${NUM_WORKERS:-1}
+        - CALLBACK_SERVER=${CALLBACK_SERVER:-""}
     deploy:
         resources:
             limits:
