better debug

Dockerfile

@@ -1,11 +1,12 @@
 FROM python:3.11.3-slim-bullseye
 ARG INSTALL_DEBUG
 ENV PYTHONUNBUFFERED 1
+ENV PATH=/root/.local/bin:$PATH
 
 # install debug tools for testing environment
 RUN if [ "$INSTALL_DEBUG" ] ; then \
         apt-get -y update && apt-get -y install --no-install-recommends \
-        vim htop bmon net-tools iputils-ping procps \
+        vim htop bmon net-tools iputils-ping procps curl \
         && pip install --user ipython \
     ; fi