Create Dockerfile

Dockerfile

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+# Base Python image
+FROM python:3.10-slim
+
+# Environment settings to avoid Python cache & force unbuffered output
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies (for building some Python packages)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    gcc \
+    g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first (better Docker caching)
+COPY requirements.txt requirements.txt
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt gunicorn
+
+# Copy the entire project (including subfolders)
+COPY . .
+
+# Hugging Face Spaces default exposed port
+EXPOSE 7860
+
+# Run Flask with Gunicorn for parallel processing
+# app:app means 'app.py' file and 'app' Flask instance inside it
+CMD ["gunicorn", "--workers", "4", "--threads", "12", "--bind", "0.0.0.0:7860", "app:app"]