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azionelab-v2/docs/architecture.md
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# Architecture
NGINX is the only public entry point for `azionelab.org`. It proxies HTTP to the
official WordPress 7.0/PHP 8.3 Apache image over the private `web` network. WordPress
connects to MariaDB 11.8 LTS over a separate internal `data` network. Neither WordPress
nor MariaDB publishes a host port.
The custom `azionelab` classic theme renders the public single page. Theme modifications
store the hero, manifesto, laboratory, teacher, lesson, and contact fields. The
`azionelab-content` must-use plugin registers Shows and Gallery custom post types so
structured editorial content survives a theme change. Images use WordPress featured
images with local SVG fallbacks.
WP-CLI is an opt-in tools-profile service. Its idempotent bootstrap installs WordPress,
activates the theme, configures the site, and creates realistic demo content. Certbot is
another optional service, enabled only for direct deployments. It shares challenge and
certificate volumes with NGINX but has no container-control access.
Persistent state lives in `db_data`, `wordpress_data`, and the certificate volumes.
Functional tests replace the first two with isolated test volumes and reach NGINX via
an internal `azionelab.org` network alias.
See [ADR-0001](adr/0001-wordpress-single-page.md).