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+# Use lightweight Python image
+FROM python:3.10-slim
+
+# Prevent Python from buffering logs
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Install system dependencies (needed for OpenCV + PIL)
+RUN apt-get update && apt-get install -y \
+    git \
+    curl \
+    libglib2.0-0 \
+    libgl1 \
+    libsm6 \
+    libxext6 \
+    libxrender1 \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first (better caching)
+COPY requirements.txt .
+
+# Upgrade pip + install dependencies
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy app files
+COPY . .
+
+# Expose port (HF uses 7860)
+EXPOSE 7860
+
+# Start FastAPI server
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]