Move to arch based images

latex/README.md

@@ -14,3 +14,7 @@ docker run --name container-name -v /path/to/latex/build/dir/on/host:/root/data
 The arguments that can be passed to the container are the following (in order):
 1. Extra arguments for `latexmk` (you can also use this to provide the entry file)
 2. Extra packages (alpine linux) to install in the container
+
+To build all (i.e. both the full and default image) you can use the provided `build-all.sh` script.
+
+The default image is just a base image that may or may not work with your latex setup, where the full image also allows building with `pygments` for e.g. minted.