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+FROM python:3.11-slim
+
+# Install system deps + create non-root user
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg libgl1-mesa-glx && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy only requirements first (cache-friendly)
+COPY requirements.txt .
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy app code AFTER deps (this layer won't invalidate pip)
+COPY . .
+
+# Gradio setup
+RUN mkdir -p /home/user/app && ln -s /app /home/user/app
+EXPOSE 7860
+
+CMD ["python", "app.py"]