buildx failed with: ERROR: failed to solve: process "/bin/sh -c echo '@main http://dl-cdn.alpinelinux.org/alpine/v3.6/main' >> /etc/apk/repositories && apk update && apk upgrade && apk add --update bash git ca-certificates curl openssh tzdata make direnv && apk add --update nodejs-npm@main && rm -rf /var/cache/apk/*" did not complete successfully: exit code: 1