set user write permission

Dockerfile

@@ -10,7 +10,16 @@ COPY ./requirements.txt /code/requirements.txt
 RUN apt update && apt install -y ffmpeg
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-COPY . .
+RUN useradd -m -u 1000 user
+
+USER user
+
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
+
+WORKDIR $HOME/app
+
+COPY --chown=user . $HOME/app
 
 ENV H2O_WAVE_LISTEN=":7860"
 ENV H2O_WAVE_ADDRESS='http://127.0.0.1:7860'