This week in review: slacking off!! I did not keep up with writing updates this week. I wasn’t really busy, I was just lazy. In other news, I started using Borg backup system.

Happy Thanksgiving!! I am in a food coma!

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Docker jargon

• Image contains all the additional file changes required to run your application. This is likely a union of your os files + your application files.
• Container
• Docker Daemon
• Docker Client
• Docker Hub
• DockerFile

Docker uses Copy on Write and union file system to optimize resource usage. It uses Overlayfs filesystem architecture as one of the storage driver to manage file changes¹.

Docker Compose is a tool with which you can define multiple containers that your application needs and launch all of them with one command. For example, if your application has a HTTP Server, SQL Database, and a logging framework, you can define all of them in separate containers and launch them using Docker Compose.

This week in review: testing and debugging across the stack, early and late binding, GNU Parallel!

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This week in review: Life lessons, Geography lessons, and Hypervisors

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