Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PIP_NO_CACHE_DIR=1
+
+WORKDIR /app
+
+# System deps (FAISS / torch runtime deps)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    libgomp1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python deps
+COPY requirements.txt .
+RUN pip install --upgrade pip && pip install -r requirements.txt
+
+# Copy app code + assets (faiss.index + metadata)
+COPY . .
+
+# Hugging Face Spaces uses PORT env var sometimes; default to 7860
+ENV PORT=7860
+EXPOSE 7860
+
+# Start FastAPI
+CMD ["bash", "-lc", "uvicorn app:app --host 0.0.0.0 --port ${PORT}"]