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.
Running Docker inside Docker lets you build images and start containers within an already containerized environment. There are two possible approaches to achieve this depending on whether you want to start child or sibling containers.
DevSpace is an open-source tool that helps developers quickly deploy cloud-native applications to Kubernetes clusters. It abstracts away much of the traditional Kubernetes complexity so you can get back to writing code.
Docker storage drivers control how images and containers are stored on your filesystem. They’re the mechanism that lets you create images, start containers, and modify writable layers. Here are the differences between each driver and the situations where they should be used.
Anchore Engine is an open-source scanning tool that assesses the security of your Docker images. An Anchore report gives you insights into outdated package versions and lurking vulnerabilities in dependencies.