Show Overview: Brian and Tyler discuss the basics of how an application gets into a container, how to layer OS + applications + dependencies, how a container interacts with a container registry, and how container files different from Kubernetes manifests.

Show Notes:

• [TRANSCRIPTION] PodCTL Basics - How to Containerize an Application
• Setting up a Dockerfile
• Building an OCI-compliant container with "Buildah"
• Deploying with Kubernetes Manifests

Topic 1 - How does a Container know what application to run?

• Metadata
• Image Layers

Topic 2 - Can any Application run in a Container? Does it have to be modified?

• User namespace vs. Root
• Resource requirements

Topic 3 - How does a Container interact with a Container Registry?

Topic 4 - How does a Container tell Kubernetes about it’s Application needs (HA, Static IP, Storage, etc.)?

• Pods and Manifests

Topic 5 - Can a Containerized Application interact with other applications? How?

• Within a Cluster
• DNS Services / Networking
• Kubernetes Services
• Service Discovery frameworks

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