Upgraded to python-slim 3.14 for container building

Containerfile

@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 WORKDIR /rmmanager
 
@@ -8,4 +8,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .
 
-ENTRYPOINT python initialize.py
+ENTRYPOINT python -u initialize.py