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@@ -24,5 +24,6 @@ ENV MKL_NUM_THREADS=4
 ENV OPENBLAS_NUM_THREADS=4
 ENV NUMEXPR_NUM_THREADS=4
 
-# Start both the API and shutdown script (1 worker so thread env vars apply to the single process)
-CMD ["/bin/bash", "-c", "/app/shutdown.sh & uvicorn main:app --host 0.0.0.0 --port 7860 --workers 2"]
+# Start both the API and shutdown script.
+# Keep a single worker because fit/forecast state is in-memory per process.
+CMD ["/bin/bash", "-c", "/app/shutdown.sh & uvicorn main:app --host 0.0.0.0 --port 7860 --workers 1"]