don't ignore the builder exit code, we need to fail here!
don't ignore the builder exit code, we need to fail here!

NeowayLabs/docker-alpine,muhmuhten/docker-alpine,frewsxcv/docker-alpine,neeravkumar/docker-alpine,troyfontaine/armhf-alpinelinux,toli/docker-alpine,gliderlabs/docker-alpine