Containerized Ruby Applications with Docker
summary
Claims that Docker lets Ruby apps boot in seconds instead of minutes by replacing VMs with lightweight containers, demonstrated by building a Ruby 2.1.2 image, running a Sinatra “hello world” container, and using volume mounts for live development; live demo succeeds. Uses boot2docker on macOS, the CLI/REST API, Docker Compose for templates and orchestration, and the GUI project Panamax (panamax.io) to package and deploy; notes 30+ Docker-related Ruby gems (now ~50) and warns never to bake credentials into images.
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chapters (12)
- 0:00Introduction
- 0:28What is Docker
- 2:15What are containers
- 4:42Containers are virtual
- 6:58Benefits of using containers
- 8:04Docker
- 10:39Installing Docker
- 12:42Docker CLI
- 18:15Docker Commands
- 21:41Envy Envy
- 35:16Application Architecture
- 41:38Application Template
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