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Technical insights and software architecture

Deep dives into PHP development, Horde Framework evolution, and practical software engineering. Focused on real-world solutions for complex technical challenges.

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PHP, Horde Framework, authentication systems, composer workflows, and modern development practices.

Long-form Analysis

Comprehensive technical articles exploring architectural decisions, migration strategies, and lessons learned from real projects.

Code & Community

Open source contributions, framework development, and sharing knowledge with the PHP developer community.

Month: October 2021

  • Developer Introduction to Maintaina Horde

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    Ralf
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    This introduction is targeted at developers with little or outdated prior Horde knowledge. Having worked with any Backend Development Framework in any language can help. While a lot of these facts can be found in Wikis or previous article, others are fairly new or only relevant to the developments in the version of horde delivered…

  • Custom iCalendar data in Kronolith & Nag

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    by

    Ralf
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    The iCalendar exchange format is everywhere in Horde’s calendar (kronolith) and tasks (nag) apps. It is offered for manual import/export. It is the centerpiece of the CalDAV synchronisation protocol and various APIs of these apps. The format also plays a role in email invitiations and updates sent via iTip. It is a very powerful and…

  • Maintaina Horde switches to openSUSE LEAP

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    by

    Ralf
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    Our Horde docker images have switched over from Tumbleweed to openSUSE LEAP once again. Recently our container build CI job in github.com broke down unexpectedly. An investigation showed that Tumbleweed’s core libraries, especially libc, were too new for the CI’s build system, based on Ubuntu LTS. This is the second time we abandoned the Tumbleweed…