support: add dvipng to doctest container

While the doctest container dropped the full TeX Live setup, some workflows need `dvipng` to be available; adding the package. Signed-off-by: James Knight <[email protected]>
sphinx-contrib · Apr 7, 2024 · c70b3fc · c70b3fc
1 parent d05075d
commit c70b3fc
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/support/docker/Dockerfile b/support/docker/Dockerfile
@@ -12,6 +12,8 @@ FROM ubuntu:latest
 ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update && apt-get install --assume-yes \
+    # Support PNG generation in LaTeX documents
+    dvipng \
     # Sphinx internationalization support
     gettext \
     # Graphviz support