What's the Difference Between Exposing and Publishing a Docker Port?

November 29, 2021

Exposed and Published container ports are two different but related concepts in Docker. Exposed ports are defined in your Dockerfile as simple metadata. You must publish them when your container starts if you want to enable outside access. Read More »

As of August 2021, Github has removed support for using your account password from the Git command line. You can still use HTTPS, but you will need to set up a Personal Access Token to use instead of your password. Read More »

Docker container registries like the Docker Hub are platforms for hosting and sharing Docker containers. While the default Docker Hub is focused on public containers, most cloud providers like AWS and GCP will run their own private container registries. Read More »

Containers running in Kubernetes Pods are meant to be self-contained compute units that you don’t need to manually interact with. Sometimes you might have to copy files to or from a Pod’s filesystem though, perhaps because you’re debugging a problem and want to archive logs, config files, or caches stored in a container. Read More »