update dockerfile

Dockerfile

@@ -1,15 +1,13 @@
 FROM python:3.10-slim
 
-#Install git
-RUN apt-get update
-RUN apt-get -y install git
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
 
-# prepare home
-RUN mkdir -p /app
-RUN chmod 777 /app
-WORKDIR /app/
-COPY ./ /app/
-RUN pip install --no-cache-dir -r /app/requirements.txt
+WORKDIR $HOME/app
+COPY --chown=user . $HOME/app
+RUN pip install --no-cache-dir -r $HOME/app/requirements.txt
 
 # start service
 EXPOSE 7860