fixing pdf building

Author: germa89

doc/Makefile

@@ -38,7 +38,7 @@ pdf:
 	@$(SPHINXBUILD) -M latex "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 	python validate_png.py  # clean-up GIFs mislabeled as PNG
 	cd $(BUILDDIR)/latex && latexmk -r latexmkrc -pdf *.tex -interaction=nonstopmode || true
-	(test -f $(BUILDDIR)/latex/*.pdf && echo pdf exists) || exit 1
+	(test -f $(BUILDDIR)/latex/pymapdl-Documentation-*.pdf && echo pdf exists) || exit 1
 
 checklinks:
 	$(SPHINXBUILD) -b linkcheck $(SPHINXOPTS) $(LINKCHECKDIR)

doc/source/getting_started/docker.rst

@@ -55,6 +55,22 @@ directly from the command line.
 You can then use your host Python environment to connect to that MAPDL
 instance.
 
+.. graphviz::
+
+    digraph {
+      node [];
+      subgraph cluster_frontend {
+        label="*HOST*";
+        Python;
+      subgraph cluster_backend {
+        MAPDL;
+        label="*DOCKER*";
+        }
+      }
+      Python -> MAPDL
+      MAPDL -> Python
+    }
+
 Because this image does not contain a license server, you must enter your
 license server IP address in the ``ANSYSLMD_LICENSE_FILE`` environment variable.