8 articles
How does a cloud server know your SSH key before you log in? Master 'Cloud-Init', the multi-distribution package that handles early initialization. Learn to automate user creation, package installation, and script execution at the very first boot.
Configure 1,000 servers simultaneously. Master 'Ansible', the agentless configuration management tool. Learn to write 'Playbooks' (YAML) to install software, manage users, and deploy configurations. Understand why 'Idempotency' is your new best friend.
Stop typing long commands. Discover Docker Compose, the tool that allows you to define and run entire multi-container applications with a single YAML file.
Hands-on with YAML. Learn the structure of a Compose file and build a working stack with a web server and a database in minutes.
Dry out your YAML. Learn how to use anchors, aliases, and extension fields to avoid repeating the same configuration across multiple services.
From theory to YAML. Construct the core logic of the GlobalHealth Connect pipeline, focusing on image building, caching, and cross-stage artifacts.
Master the syntax of automation. Learn the basic anatomy of a GitLab CI configuration file, including global settings, job definitions, and hidden keys.
Master the nuances of YAML. Explore anchors, aliases, and multi-line strings to create cleaner, more maintainable pipeline configurations.