Start using Node.js v12.19.0, the most recent active LTS that is supported by Vercel: https://vercel.com/docs/runtimes#official-runtimes/node-js/node-js-version . The docs now require String.prototype.matchAll, that's part of ES2020 support, and is not available on Node.js 10.x.
Dockerhub is going to rate limit unauthenticated pulls. Use our HashiCorp internal mirror for builds run through CircleCI. Co-authored-by: Mahmood Ali <mahmood@hashicorp.com>