DevOps

Why even consider templating Dockerfiles? Dockerfiles revolutionized the industry with their simplicity. Each instruction creates a new layer in the image, which is automatically cached. This process integrates well with SCM, where you “commit” the results of one stage and move forward with other changes. The process can be easily parameterized with ARG instructions, similar to ENV but provided during the build. This allows for creating highly flexible builds. For most users, this is more than sufficient. However, there’s a notable exception: Docker base images. ...

A Guide to using git pull --rebase effectively Using git pull --rebase as your default merge strategy offers several benefits, particularly in maintaining a clean and linear commit history, which can simplify collaboration and code review. However, you may occasionally encounter the error “Cannot rebase onto multiple branches”. This article explains why this happens and provides a solution to make git pull --rebase work seamlessly. Benefits of git pull --rebase Linear History: Rebasing applies your local commits on top of the upstream changes, creating a straight line of commits without unnecessary merge commits. This makes the project history easier to read and understand. ...

Learn how to automate Docker image updates using Renovate Bot, a versatile tool that supports various package managers and custom dependency links.

Learn how to use Makefiles to streamline your Terraform and Hugo projects, making environment management and static site generation more efficient.

Learn the best practices for patching and deprecating Docker images to maintain security and stability in your DevOps workflows.

Learn the best way to get NVM (Node Version Manager) working in CI/CD systems, ensuring seamless Node.js version management in your DevOps workflows.

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.

Projekt JednorożecPowieść o szansie w epoce przewrotów cyfrowych Author: Gene Kim amazon.plhelion.pl

Projekt FeniksPowieść o IT, modelu DevOps i o tym, jak pomóc firmie w odniesieniu sukcesu Authors: Gene Kim, Kevin Behr, George Spafford helion.pl

In recent Ansible update to 1.5 version there is really nice feature ssh pipelining. This option is serious alternative to accelerated mode. Just add to you config file (ex. ~/.ansible.cfg): [ssh_connection] pipelining=True Now run any playbook - you will see the difference 😄 Source (and extended info about): http://blog.ansibleworks.com/2014/01/15/ssh-connection-upgrades-coming-in-ansible-1-5/  external link