TYPO3 DDEV Setup Skill

CRITICAL: URL Scheme

NEVER guess URLs. Read name: from .ddev/config.yaml, then apply subdomain pattern:

https://v{VERSION}.{sitename}.ddev.site/typo3/ — e.g., https://v14.my-ext.ddev.site/typo3/

Landing page: https://{sitename}.ddev.site/ · Docs: https://docs.{sitename}.ddev.site/

Each version gets its own Apache vhost (/var/www/html/v{VERSION}), routed via additional_hostnames. Check configured versions before presenting URLs. Never infer URLs from directory listings.

Credentials: admin / Joh316!!

Container Priority

1. .ddev/ exists → ddev exec
2. docker-compose.yml → docker compose exec
3. System tools only if no container. Always use project's configured PHP.

Quick Start

ddev start && ddev install-all    # All versions (11/12/13/14)
ddev install-v14                  # v14.3 LTS (default / gold standard)
ddev install-v13                  # v13.4 LTS

Database Selection

MariaDB 10.11 (default) · SQLite (simple, no SQL) · PostgreSQL 16 (GIS) · MySQL 8.0 (Oracle parity). See references/advanced-options.md.

PHP Management

php_version: "8.3" in config.yaml. Upgrade via .ddev/web-build/Dockerfile (apt-get dist-upgrade). Custom settings: .ddev/php/custom.ini. See references/0003-php-version-management.md.

TYPO3 Version Differences

	v12	v13	v14.3 LTS
Setup	install:setup --use-existing-database	setup	setup
Activation	Auto (Composer)	extension:setup	extension:setup
composer.json	optional	optional	required (classic mode, #108310)
Default theme	bootstrap-package	bootstrap-package	Camino (#108539)
Fluid	2.x	4.x	5.x strict (#108148)
CKEditor	41–42	41–42	47

See references/typo3-12-cli-changes.md.

Post-Setup Verification

ddev status, ddev describe, ddev exec -d /var/www/html/v13 vendor/bin/typo3 extension:list --active. See references/post-setup-verification.md.

Optional Services & Commands

• Valkey 8 (default) or Redis 7: references/0001-valkey-default-with-redis-alternative.md
• Ofelia scheduler: TYPO3 scheduler automation
• ddev generate-makefile / ddev generate-index / ddev docs
• ddev xdebug on / Cache: ddev exec -d /var/www/html/v13 vendor/bin/typo3 cache:flush

Extension Naming

Hyphens for composer (nr-llm), underscores for TYPO3 key (nr_llm). Source: composer.json name.

Troubleshooting

Issue	Solution
Port conflict	router_http_port: "8080" / router_https_port: "8443"
Database exists	ddev mysql -e "DROP DATABASE v13; CREATE DATABASE v13;"
Extension not found	ddev exec -d /var/www/html/v13 vendor/bin/typo3 cache:flush
Windows health check	Add /phpstatus endpoint with php-fpm.sock
PCOV/pecl fails	apt-get install php${PHP_VERSION}-pcov
PHP settings ignored	Place in .ddev/php/custom.ini
Full cleanup	ddev delete --omit-snapshot --yes then remove Docker volumes

References

Topic	File
Prerequisites	references/prerequisites-validation.md
Quick start	references/quickstart.md
Advanced options	references/advanced-options.md
Post-setup	references/post-setup-verification.md
Branding/landing page	references/index-page-generation.md
ADR References	references/{0001,0002,0003}-*.md
Windows	references/windows-fixes.md, references/windows-optimizations.md
Docs rendering	references/documentation-rendering.md
Troubleshooting	references/troubleshooting.md