--without-snapshot for alpine builds as a temporary workaround

lib/build.js

@@ -61,6 +61,8 @@ async function compileOnUnix (nodeVersion, targetArch) {
   // against packaged apps, hence v8_inspector is useless
   const major = nodeVersion.match(/^v?(\d+)/)[1] | 0;
   if (major >= 6) args.push('--without-inspector');
+  // https://github.com/mhart/alpine-node/blob/master/Dockerfile#L33
+  if (hostPlatform === 'alpine') args.push('--without-snapshot');
   // TODO same for windows?
   await spawn('./configure', args, { cwd: nodePath });
   const make = hostPlatform === 'freebsd' ? 'gmake' : 'make';