user already existed

Dockerfile

@@ -16,7 +16,7 @@ COPY ./requirements.txt /app/requirements.txt
 # Install Python deps
 RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
 
-RUN useradd -m -u 1000 user
+RUN getent passwd user || useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:${PATH}"
 COPY --chown=user . /app