A Deep Dive into Docker
summary
Demo-heavy walkthrough of Docker with SQL Server containers showing actual commands and results: Docker creates cgroups and namespaces to enforce isolation, user namespaces are off by default so images must avoid running as root, and SQL boots in ~9s. Demonstrates persistence using named volumes persist data across container recreation, building a custom image with permissions fixed that works, Docker Compose for declarative deploys, and Docker Swarm vs Kubernetes. Measured wins include cutting a 45–60 minute VM deploy to ~2 minutes and image sizes around 1.5GB (Windows was 10–15GB).
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chapters (14)
- 0:00Introduction
- 1:50Docker deep dive overview
- 3:14Container isolation
- 6:21Live demo: isolation
- 14:29Docker networking
- 16:55Demo: bridge networks
- 20:32Persisting data in Docker
- 24:46Demo: named volumes
- 27:36Custom Docker images
- 29:25Live demo: image creation
- 35:06Docker Compose
- 36:35Demo: Compose for SQL
- 38:22High availability with Swarm/K8s
- 41:32Q&A
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