Overview
Systematic TYPO3 project instance upgrades across major LTS versions. sys_template→Site Sets migration, Bootstrap 4→5 patterns, Bootstrap Package v12–v16 breaking changes, SCSS variable injection, Docker infrastructure, database cleanup, visual review methodology with assessment checkpoints.
Detailed guide coming soon. We haven't written a full guide for this skill yet.
Related
Skill git-workflow
Git workflow best practices for teams and CI/CD pipelines. Covers Git Flow, GitHub Flow, Trunk-based development, Conventional Commits, pull request workflows, and GitHub Actions integration. By Netresearch.
Skill docker-development
Docker image development patterns for Dockerfile, docker-compose, docker-bake.hcl, and .dockerignore. Multi-stage builds, layer optimization, CI testing patterns (entrypoint bypass, DNS mocking, compose validation), Docker Bake multi-platform, Trivy scanning, network isolation. By Netresearch.
Skill go-development
Go (Golang) development patterns following best practices for cloud-native applications. Covers project structure, error handling, concurrency patterns, testing strategies, Docker containerization, LDAP integration, and resilience patterns. By Netresearch.
Skill typo3-conformance
Evaluate TYPO3 extensions for conformance to official coding standards, architecture patterns, and best practices. Automated validation scripts for file structure, PSR-12 compliance, dependency injection, testing infrastructure, and priority-based conformance scoring.
Skill typo3-docs
Create and maintain TYPO3 extension documentation following official TYPO3 documentation standards. Automated extraction with priority-weighted gap analysis, RST syntax reference, TYPO3-specific directives, local rendering, validation, and Intercept deployment setup.
Skill agent-harness
Use when making a repo agent-ready, verifying harness consistency, checking for documentation drift, bootstrapping harness infrastructure (AGENTS.md as index, docs/ structure, CI verification, enforcement mechanisms), or auditing repo agent-readiness maturity level.