Create Dockerfile

Dockerfile

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+# Base image with Python 3.11
+FROM python:3.11-slim
+
+# Set workdir
+WORKDIR /app
+
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY app.py .
+COPY .env .
+COPY chroma_db/ ./chroma_db/
+
+# Expose default HF port
+EXPOSE 7860
+
+# Start FastAPI via Uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]