typo3-ddev
Use whenever a running TYPO3 instance is wanted, started or reached: ddev commands, backend URLs, DDEV setup, multi-version testing — and when DDEV cannot run, so the instance must be provisioned directly. Triggers on: I need an instance, install TYPO3 locally, ddev URLs, docker environment, CI or container without DDEV.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/netresearch/typo3-ddev-skill --skill typo3-ddev- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads typo3-ddev automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
TYPO3 DDEV Setup Skill
CRITICAL: URL Scheme
NEVER guess URLs. Read name: from .ddev/config.yaml, then apply the subdomain pattern:
https://v{VERSION}.{sitename}.ddev.site/typo3/ · Landing: https://{sitename}.ddev.site/ · Docs: https://docs.{sitename}.ddev.site/
Each version gets a vhost (/var/www/html/v{VERSION}) via additional_hostnames. Never infer URLs from directory listings.
Credentials: admin / Joh316!!
Container Priority
.ddev/exists →ddev execdocker-compose.yml→docker compose exec- System tools only if no container. Use project's configured PHP.
No DDEV available (CI, container, agent harness — DDEV drives Docker): read .ddev/config.yaml and .ddev/commands/, then scripts/provision-without-ddev.sh --extension . --serve. The distribution ships no .htaccess, so /typo3/ answers 200 while sub-routes 404 — references/without-ddev.md.
In-container edits: docker cp in, then ddev exec — not heredocs/php -r. See references/container-file-editing.md.
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 · PostgreSQL 16 · MySQL 8.0. See references/advanced-options.md, references/0002-mariadb-default-with-database-alternatives.md.
PHP Management
php_version: "8.3" in config.yaml. Upgrade via .ddev/web-build/Dockerfile. 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 | extension:setup | extension:setup |
composer.json | optional | optional | required (#108310) |
| 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. Check a consequence, not a status: /typo3/login must answer 200. 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 automation ·
ddev generate-makefile/generate-index/docs/xdebug on
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 | /phpstatus endpoint with php-fpm.sock |
| PHP settings ignored | .ddev/php/custom.ini |
| Full cleanup | ddev delete --omit-snapshot --yes, remove volumes |
References
| Topic | File in references/ |
|---|---|
| Without DDEV | without-ddev.md |
| Prerequisites, quick start | {prerequisites-validation,quickstart}.md |
| Advanced, post-setup, branding | {advanced-options,post-setup-verification,index-page-generation}.md |
| ADRs · Windows | {0001,0002,0003}-*.md · windows-{fixes,optimizations}.md |
| Docs rendering, troubleshooting | {documentation-rendering,troubleshooting}.md |
FAQ
What does the typo3-ddev skill do?
Use whenever a running TYPO3 instance is wanted, started or reached: ddev commands, backend URLs, DDEV setup, multi-version testing — and when DDEV cannot run, so the instance must be provisioned directly. Triggers on: I need an instance, install TYPO3 locally, ddev URLs, docker environment, CI or container without DDEV.
How do I install typo3-ddev?
Run npx skills add https://github.com/netresearch/typo3-ddev-skill --skill typo3-ddev in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/typo3-ddev/ (personal) or .claude/skills/typo3-ddev/ (project).
Which AI agents can use typo3-ddev?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is typo3-ddev safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains typo3-ddev?
It is published by netresearch in netresearch/typo3-ddev-skill. It has 44 recorded installs.
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