Update Dockerfile to run proxy_cerebras.py (which now contains our app.py code)

Dockerfile

@@ -1,10 +1,13 @@
-FROM python:3.10
+FROM python:3.11-slim
+
+ENV PYTHONUNBUFFERED=1
+
+RUN pip install --no-cache-dir fastapi "uvicorn[standard]" httpx python-multipart
 
 WORKDIR /app
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+COPY proxy_cerebras.py /app/proxy_cerebras.py
 
-COPY . .
+EXPOSE 7860
 
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["python", "-m", "uvicorn", "proxy_cerebras:app", "--host", "0.0.0.0", "--port", "7860"]