Create Dockerfile

Dockerfile

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+# Hugging Face Space (Docker) — FastAPI + sentence-transformers
+FROM python:3.11-slim
+
+# System deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential git && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Python deps first (layer cache)
+COPY requirements.txt /app/
+ENV PIP_NO_CACHE_DIR=1
+RUN pip install --no-cache-dir -r requirements.txt
+
+# App
+COPY main.py /app/
+
+# Default envs (override in Space settings → Variables & Secrets)
+ENV TZ=America/New_York
+ENV MODEL_NAME=BAAI/bge-small-en-v1.5
+
+# HF Spaces exposes $PORT (usually 7860). Bind to it.
+ENV PORT=7860
+EXPOSE 7860
+
+# Run the API
+CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port ${PORT} --workers 1"]