To install to gpt disks you will need to choose a (b)oot disk layout in setup-partitions for the boot drive to be confgured correctly.
Boot an Alpine Linux iso &:
setup-interfaces # <enter> x 3 ifup eth0 setup-apkrepos # choose one near you apk add wget ca-certificates wget http://it-offshore.co.uk/alpine/setup-disk #redirects to raw github script wget http://it-offshore.co.uk/alpine/setup-partitions #redirects to raw github script chmod +x set* ./setup-partitions ./setup-disk -m sys -E # hard disk encrypted installation

