Update Dockerfile

Dockerfile

@@ -1,13 +1,11 @@
-# Dockerfile
-FROM python:3.9-slim
+FROM python:3.9
 
-WORKDIR /app
+WORKDIR /code
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+COPY ./requirements.txt /code/requirements.txt
 
-COPY main.py .
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-EXPOSE 8000
+COPY . .
 
-CMD ["python", "main.py"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]