Create Dockerfile

Dockerfile

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+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+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", "25", "--worker-class", "gthread", "--bind", "0.0.0.0:7860", "--timeout", "720", "app:app"]
+# END: MAX CONCURRENCY COMMAND