Devops And Docker Talk

A viewer asks about how their local docker container IP's, if behind NAT, can have issues with outside subnets at their company. I explain some of the ways even NAT won't solve IP routing for containers and how you can change your settings to different private subnets.

Someone asks about image pruning while a Swarm service is in the middle of deployment, and how they've experienced failed containers. I reply with the details of what's going on in specific steps of a Service creation and deployment, and how the prune command could interfere.

I answer questions about updating your app secrets and configs in Docker Swarm without downtime

I answer questions about designing Apache web servers for multiple Websites in containers

I answer a question about using sudo in containers and file permissions when using non-root users.

Alpine Linux container images are often regarded as the "best for production, security, and image size", but I debate this based on several trends and current limitations.