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Dockerizing Applications
- 2. Dockerizing Applications ● Building an Image ● Swarm Cluster ● Building a Stack ● Operations ○ Deployment ○ Monitoring ○ Scaling ○ Logs
- 3. Image ● Built from Dockerfile ● Application dependencies are bundled ● Can be “shipped” around and shared ● Enables portability
- 4. Swarm ● Group of machines running Docker in Swarm mode (cluster) ● Easy deployment (docker swarm init; docker swarm join) ● Enables multi-container, multi-node applications ● Production Features ○ Deployment Policies ○ Application Scale ○ Configs ○ Secrets ○ Etc. ● Simple Deployment of Stacks
- 5. Stack ● Group of related services ● Uses Docker Compose syntax (with some exceptions) ● Simple to create and understand ● Enables consistent deployments for local dev and production
- 6. Thank You! ● Dockerfiles: https://docs.docker.com/get-sta rted/part2/#define-a-container- with-dockerfile ● Dockerfile Best Practices: https://docs.docker.com/develo p/develop-images/dockerfile_b est-practices/ ● Swarm: https://docs.docker.com/get-sta rted/part4/ ● Stacks: https://docs.docker.com/get-sta rted/part5/