added an example of installing python modules

Author: evshvarov

Dockerfile

@@ -19,6 +19,7 @@ ENV PATH "/usr/irissys/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sb
 
 
 RUN --mount=type=bind,src=.,dst=. \
+    pip3 install -r requirements.txt && \
     iris start IRIS && \
 	iris session IRIS < iris.script && \
     ([ $TESTS -eq 0 ] || iris session iris -U $NAMESPACE "##class(%ZPM.PackageManager).Shell(\"test $MODULE -v -only\",1,1)") && \

requirements.txt

@@ -0,0 +1,2 @@
+numpy==1.23.4
+pandas==1.5.0