Test GitHub Actions expression reading for env.* context

Author: Mega-JC

.github/workflows/deploy-to-vps.yml

@@ -34,6 +34,9 @@ jobs:
             [ -f "compose.yml" ] && echo -n "-f compose.yml " || true; \
             [ -f "compose.override.yml" ] && echo -n "-f compose.override.yml " || true )
 
+            echo "COMPOSE: $COMPOSE" > test.txt
+            docker compose $COMPOSE config >> test.txt
+
             # Stop, remove, and build the Docker Compose stack
             docker compose $COMPOSE down -v --remove-orphans
             sleep 60