Create Dockerfile

Dockerfile

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+# Use official Python image
+FROM python:3.10-slim
+
+# Set environment vars
+ENV PYTHONUNBUFFERED=1
+ENV PORT=7860
+
+# Set working directory
+WORKDIR /app
+
+# Copy dependencies first (for caching)
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY . .
+
+# Run the app
+CMD ["python", "main.py"]