docker setup

backend/Dockerfile

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+# Backend Dockerfile
+FROM python:3.11-slim
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    ffmpeg \
+    gcc \
+    g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first (for caching)
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create uploads directory
+RUN mkdir -p /app/uploads
+
+# Expose port
+EXPOSE 5000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+  CMD curl -f http://localhost:5000/api/health || exit 1
+
+# Run application
+CMD ["python", "main.py"]