update docker file

Dockerfile

@@ -8,7 +8,16 @@ WORKDIR /code
 COPY ./requirements.txt /code/requirements.txt
 
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+RUN apt update && apt install -y ffmpeg
 
-COPY . .
+# Set up a new user named "user" with user ID 1000
+RUN useradd -m -u 1000 user
+# Switch to the "user" user
+USER user
+# Set home to the user's home directory
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
+
+COPY --chown=user . $HOME/app
 
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]