basic structure setup

rag-chat-backend/Dockerfile

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+FROM python:3.10-slim
+
+WORKDIR /app
+
+COPY ./requirements.txt /app
+
+RUN apt-get update && apt-get install -y build-essential
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+
+EXPOSE 8000
+
+COPY . /app
+
+CMD ["python", "src/app.py"]