Fast Track to Docker for Developers
summary
A developer explains how Docker packages an app plus exact OS, libraries and versions into layered images built with Dockerfile and pushed to Docker Hub: ~100,000 images, enabling fast reproducible deployments that match prod. Company workflow does ~10 releases per week, uses Docker Machine (VirtualBox VM) on macOS today and Docker for Mac as the upcoming native option, and composes multi-container apps with Docker Compose orchestrates services. Containers are lightweight, start in milliseconds, are ephemeral (rebuild images rather than apt‑get inside), and use official images for better security.
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chapters (14)
- 0:00Start
- 1:21My goal is to inform
- 3:34is in the details
- 4:45DOCKER!
- 5:59Transport containers
- 11:07Why Docker?
- 17:062. Docker machine is how you run on Mac/Win
- 19:14Spinning up a Docker container
- 21:443. Uses a layered filesystem (Union FS)
- 24:35What really are container?
- 25:08Docker has "muscle memory"
- 27:37Simple build system
- 31:01Simple Orchestration
- 34:29Docker way
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