Update Dockerfile

Dockerfile

@@ -1,7 +1,9 @@
 FROM python:3.9
-COPY . .
-
-WORKDIR /
-
-RUN pip install --no-cache-dir --upgrade -r /requirements.txt
+WORKDIR /code
+COPY ./requirements.txt /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+RUN useradd -m -u 1000 user
+USER user
+WORKDIR $HOME/app
+COPY --chown=user . $HOME/app
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]