Update Dockerfile

Dockerfile

@@ -7,10 +7,8 @@ WORKDIR /app
 RUN useradd -m -u 1000 user
 USER user
 
-RUN chown -R user:user /app
-
 # Copy the requirements to working directory
-COPY ./requirements.txt /app/requirements.txt
+COPY --chown=user:user ./requirements.txt /app/requirements.txt
 
 # Install all packages in requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt