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+# Install standardized extensions into the official mediawiki container.
+# Ensure my modified language-data, UniveralLanguageSelector, and jquery.uls
+# code is installed, such that the shavian script is included. 
+
+FROM mediawiki:1.42
+
+# Extensions are placed in subdirectories under the /var/www/html/extensions
+# directory in the container. This can be overridden if some other container
+# is used as the base. 
+ARG EXT_BASE=/var/www/html/extensions
+ARG COMPOSER=composer.local.json
+
+
+####
+# Install composer
+# ================
+# Note that we need to just get the composer script directly rather than use
+# Debian packages. The base image is Docker's php-apache library image, which
+# builds PHP from source rather than install from Packages. Hence many 
+# required packages are missing (and should stay missing.) 
+####
+RUN curl https://getcomposer.org/composer.phar -o /usr/bin/composer &&  \
+    chmod a+x /usr/bin/composer
+
+
+#####
+# Mediawiki Language Extension Bundle
+# ===================================
+# - Babel
+# - CLDR
+# - CleanChanges
+# - Translate
+# - UniversalLanguageSelector
+#####
+
+RUN composer require --no-update mediawiki/babel:2024.07  && \
+    composer require --no-update mediawiki/cldr:2024.07 && \
+    composer require --no-update mediawiki/translate:2024.07 && \
+    cd extensions && \ 
+    git clone --depth=1 --branch=REL1_42 https://github.com/wikimedia/mediawiki-extensions-CleanChanges.git CleanChanges && \
+    git clone --depth=1 --branch=shavian https://git.nordgren.vip/bryce/mediawiki-extensions-UniversalLanguageSelector.git UniversalLanguageSelector
+