sed -i -e 's/#\(.*[0-9]\/com\)/\1/g' /etc/apk/repositories
apk update
apk add openjdk11 postgresql postgresql-contrib
service postgresql start

#Noodle
cd /opt
tar -xf Noodle.tar.gz
cd Noodle
su postgres -c 'cd;psql --file /opt/Noodle/init.sql'
mv noodle.openrc /etc/init.d/noodle
service noodle start

Other Linux Installation examples available.