vmod-querystring-doc-2.0.3-r1.apk

STEP 1: Have you installed this repository?

If not, run this installation script command:

curl -s https://packagecloud.io/install/repositories/varnishplus/varnish-oss-bundle/script.alpine.sh | sudo sh
copy
curl -s https://packagecloud.io/install/repositories/varnishplus/varnish-oss-bundle/script.alpine.sh | sudo sh

STEP 2: Install the package
sudo apk add vmod-querystring-doc=2.0.3-r1

VMOD for manipulating Query String (documentation)