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SeriesAll postsDockerAIAPFAPIAPI GatewayARPAWSAdmissionAffinityAggregationAnsibleAppArmorArchitectureAuthenticationAuthorization
Swarm: Overlay Network and Routing Mesh
DevOpsDocker

Swarm: Overlay Network and Routing Mesh

How do containers on different nodes talk to each other, and why does publishing one port make it reachable from any node? This article explains the overlay network (VXLAN), service discovery via VIP, and the routing mesh.

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KaiMay 23, 2026· 35 views
Swarm: Stack and Secrets — A Complete De...
DevOpsDocker

Swarm: Stack and Secrets — A Complete Deployment

The final article: deploy a whole multi-service app onto the cluster with docker stack deploy from a compose file, manage passwords safely with secrets, then clean everything up and leave the swarm. With a series wrap-up.

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KaiMay 23, 2026· 22 views
Dockerizing an Application and Pushing t...
DevOpsAWS

Dockerizing an Application and Pushing the Image to ECR

Package a Node.js application into a Docker image, create an ECR repository, and push the image to it. This is the foundation for the CI/CD article that follows.

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KaiMay 23, 2026· 26 views