use_uid

Dockerfile

@@ -1,7 +1,12 @@
 FROM python:3.11-slim
 
-# Create a non-root user for security
-RUN groupadd -g 1000 flaskuser && useradd -u 1000 -g flaskuser flaskuser
+
+ARG USER_UID=1000
+ARG USER_GID=1000
+
+# --build-arg USER_GID= USER_UID=
+RUN groupadd -g "${USER_GID}" flaskuser \
+ && useradd -u "${USER_UID}" -g "${USER_GID}" flaskuser
 
 WORKDIR /app