MT#55391 Add NODE_PATH variable to Dockerfile

It's needed after upgrade of nodejs to v18.

Add python3 as otherwise the built-in
'multiprocessing' module is not there (required by gyp build).
Add missing 'make' and 'g++'.

Change-Id: I2afab2e5b150919542ecd597202dc5324c2a40f1

t/Dockerfile

@@ -5,7 +5,9 @@ FROM docker.mgm.sipwise.com/sipwise-bullseye:latest
 # is updated with the current date. It will force refresh of all
 # of the base images and things like `apt-get update` won't be using
 # old cached versions when the Dockerfile is built.
-ENV REFRESHED_AT 2021-09-27
+ENV REFRESHED_AT 2022-10-04
+
+ENV NODE_PATH=/usr/lib/nodejs:/usr/share/nodejs
 ENV DEBIAN_FRONTEND noninteractive
 ENV DISPLAY=:0
 
@@ -14,7 +16,10 @@ COPY t/sources.list.d/builddeps.list /etc/apt/sources.list.d/
 COPY t/sources.list.d/preferences /etc/apt/preferences.d/
 
 RUN apt-get update && apt-get install --assume-yes --no-install-recommends \
+    g++ \
+    make \
     nodejs \
+    python3 \
     yarnpkg
 
 RUN echo "cd /code && ./t/testrunner" >/root/.bash_history