A Docker image is a directory hierarchy containing the initial contents of a running container. It is represented by a manifest file which lists its layers, and each layer is a gzipped tarfile (.tgz files). Layers are stored as blobs named by digests of their contents.

As a sanity check…

This year (2021) I’ve been building and experimenting with Kubernetes on a cluster of Raspberry Pis. This is an index to a series of posts about things that I’ve done and learned in the process.

My cluster on March 6. It hasn’t taken over the house — yet!

Future topics include a few things that I’ve done and more that I hope to do:

  • Building a gRPC service
  • Building a “real” app: a gRPC service backed by a PostgreSQL database with a Flutter frontend
  • PostgreSQL on Kubernetes
  • Running repeated tasks on Kubernetes with CronJobs
By Pablo RM from Madrid, Spain [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

A year ago, I found a job in one of the world’s biggest API companies. You probably know us for Search, Mail, Maps, or any of the dozens of apps that we have in the Android and iOS app stores. Those apps range all the way from delivering YouTube, one…

Tim Burks

Software developer in the SF Bay area. Electronic Design Automation, iOS apps, and now API tools for the world’s largest computer.

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