Create Dockerfile

Dockerfile

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+# Start from a stable, slim Python base image
+FROM python:3.9-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the requirements file first for layer caching
+COPY requirements.txt .
+
+# Install Python dependencies
+# --no-cache-dir reduces image size
+# --prefer-binary to speed up install if possible
+RUN pip install --no-cache-dir --prefer-binary -r requirements.txt
+
+# Copy the rest of the application code
+# This includes app.py and classifier.pkl (which you must upload)
+COPY . .
+
+# Hugging Face Spaces requires the app to listen on port 7860
+EXPOSE 7860
+
+# Command to run the FastAPI server using uvicorn
+# --host 0.0.0.0 makes it accessible from outside the container
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]