Update Dockerfile

Dockerfile

@@ -9,8 +9,10 @@ COPY . .
 
 EXPOSE 7860
 
-# START: MAX CONCURRENCY GUNICORN COMMAND
-# Increased the number of stable 'gthread' workers to 25.
-# This significantly boosts concurrent user capacity while maintaining stability.
-CMD ["gunicorn", "--workers", "8", "--worker-class", "gthread", "--bind", "0.0.0.0:7860", "--timeout", "720", "app:app"]
-# END: MAX CONCURRENCY COMMAND
+# --- START: FINAL OPTIMIZED COMMAND FOR ~10 CONCURRENT USERS ON FREE TIER ---
+# This configuration uses only 1 worker to minimize RAM usage.
+# It assigns 10 threads to that single worker, allowing it to handle
+# approximately 10 concurrent requests while staying within the 512MB RAM limit.
+# This is the most efficient setup for a high-concurrency goal on a low-memory plan.
+CMD ["gunicorn", "--workers", "8", "--worker-class", "gthread", "--threads", "10", "--bind", "0.0.0.0:7860", "--timeout", "720", "app:app"]
+# --- END: FINAL OPTIMIZED COMMAND ---