Merge pull request OSGeo#3859 from jjimenezshaw/docker-ubuntu-22.04

Docker: update base image to ubuntu:22.04

Author: kbevers

Dockerfile

@@ -1,7 +1,7 @@
 ##
 # OSGeo/PROJ
 
-FROM ubuntu:20.04 as builder
+FROM ubuntu:22.04 as builder
 
 MAINTAINER Howard Butler <[email protected]>
 
@@ -27,7 +27,7 @@ RUN cd /PROJ \
 
 
 
-FROM ubuntu:20.04 as runner
+FROM ubuntu:22.04 as runner
 
 RUN date
 

docs/docbuild/Dockerfile

@@ -1,12 +1,12 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 RUN apt-get -y update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     python3-dev python3-pip g++ doxygen dvipng latexmk \
     cmake libjpeg8-dev zlib1g-dev texlive-latex-base \
     texlive-latex-extra git latex-cjk-all texlive-lang-all \
-    graphviz python3-matplotlib wget unzip enchant locales
+    graphviz python3-matplotlib wget unzip enchant-2 locales
 
-RUN python3 -m pip install Sphinx breathe \
+RUN python3 -m pip install "Sphinx<7" breathe \
     sphinx_bootstrap_theme awscli sphinxcontrib-bibtex \
     sphinx_rtd_theme recommonmark sphinx-markdown-tables \
     sphinxcontrib-spelling!=7.4.0