Include comment parsing from the Dockerfile

lib/index.js

@@ -80,7 +80,7 @@ export default class Now extends EventEmitter {
       let docker;
       try {
         const dockerfile = await readFile(resolvePath(path, 'Dockerfile'), 'utf8');
-        docker = parseDockerfile(dockerfile);
+        docker = parseDockerfile(dockerfile, { includeComments: true });
       } catch (err) {
         const e = Error(`Failed to parse "${path}/Dockerfile"`);
         e.userError = true;