Docker

Learn best practices for writing Dockerfiles by using VOLUME for all mutable, temporary file locations to enhance performance and maintain cleaner images.

Learn best practices for writing Dockerfiles by using .dockerignore to optimize build times and exclude unnecessary files from the build context.

Learn best practices for writing Dockerfiles to create efficient, secure, and maintainable Docker images, based on real-world experience and insights.

Announcing my return to the big stage with a talk on managing Docker base images at scale, presented at the Devoxx 2022 conference in Kraków.

Discover the availability of the official CentOS 8 Stream Docker image on quay.io, and learn about the transition from Docker Hub and its implications.

Learn how to run JMX monitoring in a Docker image, including the necessary Java parameters and configuration for connecting to JMX consoles like VisualVM or Jconsole.

Learn about the creation and optimization of a CentOS 8 Stream Docker image, including steps to squash the image and ensure it is suitable for production workloads.

Discover the age and update frequency of various official Docker images, and learn why it’s important to keep your base images up to date for security and performance.

I’m playing a lot with Docker lately. Building images, and then rebuilding, and then building again… It’s pretty boring. To automate this task a little I used inotify to build automatically after I changed any file. This trick could be used in many different situations. On Linux You will need inotify-tools package: sudo apt-get install -y inotify-tools Then run something like this: while inotifywait -e modify -r .; do docker-compose build; done On MacOS You will need fswatch tool: ...

When I started playing with Docker I was running a lot of commands to build image, delete containers running on old image, run containers based on new image, etc… A lot of log commands with links, volumes, etc… Then I started searching for something to automate this task and here I get to docker-compse command, this is how you may install it: pip install docker-compose And install additional bash completions (run as root): ...