Labels allow you to do pretty interesting things with your Docker images. Here's a few basic use cases.
Image labels let you attach text based data to your Docker images. You can then filter your images based on these labels or look up this data in any custom scripts or tools you use.
Docker 1.13+ introduced grouped commands to help organize a bunch of Docker commands. Both commands do the same thing.
Docker Compose and Docker Stack can both be controlled by a docker-compose.yml file. Learn the differences between them.
Learn the differences between Docker 1.13 and the current version's format along with CE / EE and the stable vs edge channels.
Prior to March 2017, the latest version of Docker was Docker 1.13, and at the time of writing this article, the latest version of Docker is 17.07.
Once in a while, you may want to check the exact exit code of a stopped container. Here's how to do it.
Docker has a built in command to let you see how much CPU, memory, network I/O and block I/O your containers are using.
Read the full article at: nickjanetakis.com
Being able to access the Docker daemon as a non-root user is a quality of life enhancement. Here's how to do it on Linux.
Read the full article at: nickjanetakis.com
Pinning your versions only takes a few extra seconds but I promise you, it's going to save you a ton of time in the future. Here's why.
Pinning a version just means that you set a specific version and there’s varying degrees of how precise you can pin your versions.
Did you know Docker acts as a firewall for your Dockerized services? You can enable or disable your services from listening on a port too.
