Everyday Hacks for Docker

The text provides a collection of practical tips and commands for optimizing the use of Docker, a popular containerization technology, without following any specific order of importance. It highlights the usefulness of the `prune` command for cleaning up development clutter such as unused volumes and containers, and discusses alternatives for older Docker versions. The author explains how to efficiently manage Docker images and containers, including using the `--rm` option for automatically removing interactive containers upon exit, and employing `jq` for processing JSON outputs from commands like `docker info` and `docker inspect`. Additional recommendations include using `watch` with `docker ps` to monitor container activity, employing `nsenter` for entering host or container namespaces, and leveraging Docker's rich CLI syntax with command completion for streamlined operations. The text also emphasizes the advantage of using Docker's network options for debugging and auditing purposes, outlines methods for restarting containers using specific policies, and mentions the creation of attachable networks in swarm mode. Finally, it suggests using Codefresh for Docker-native CI/CD, emphasizing its design for managing the entire container-driven lifecycle.

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