Docker

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[source: https://containerd.io]

1. Install Docker Engine - Community (Version: 19.03.12) (Ubuntu)
2. Docker Images:
   1. Dockerfile
   2. Build Docker images (docker build)
   3. Run Docker images (docker run)
   4. Image Filesystem
3. Docker Containers:
   1. List containers ('docker ps', 'docker container ls')
   2. Container Filesystem
4. Registries:
   1. Set up a private Docker registry (Ubuntu)
5. Monitoring Tools:
   1. cAdvisor (Container Advisor)
   2. Prometheus
6. HowTos:
   1. Manage Docker as a non-root user (Ubuntu)
   2. Change the default location where Docker store volumes (/var/lib/docker) (Ubuntu)
   3. Clear Docker unused objects (images cache, stopped containers, unused networks, and unused local volumes)