Containers/Docker - what, why and how
summary
Explains Docker end-to-end with hands-on steps: writes a multi-stage Dockerfile for .NET, runs docker build and docker run, uses docker exec to inspect containers, and shows that containers start in seconds. Demonstrates VS Code Remote - Containers to develop inside a container and runs a Windows container whose base image is about 5.4 GB. Deploys to Azure Container Instances and a 3-node Kubernetes cluster, scales a deployment to 3 replicas and confirms automatic failover.
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chapters (25)
- 0:00Intro
- 1:50Assumptions
- 3:27Docker was born
- 6:20Why containers?
- 7:54Developer workflow benefits
- 9:14Docker vs other container technologies
- 10:04Container vs Image
- 10:33Images are layered
- 11:10Image layers
- 14:08Getting started
- 14:33Docker file basics
- 18:48Building docker images Docker build -t stag docker file
- 19:26Tags
- 21:37Running docker images
- 22:22Pushing images to a registry
- 23:03Container registries
- 33:59Windows containers OS options
- 34:52Windows server guest OS decisions
- 35:40Hyper-v containers
- 38:08VS Code Remote - Containers
- 39:29Running containers in the cloud
- 40:12Serverless container platform
- 48:40Docker Compose
- 49:36Docker Swarm
- 54:53Summary
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