Lesson 1 — Diagnosing and fixing common issues in CI workflows
Prerequisites and goals
Prerequisites
Theoretical prerequisites
This lesson assumes that you already know the following:
- Understand how these advanced deployment strategies can minimize downtime and risk
- Know the tools and methodologies used for automated testing, including unit tests, integration tests, and end-to-end tests
- Understand different backup techniques and the importance of data redundancy
- Understand how to effectively plan and execute backups in continuous deployment environments
Practical prerequisites
Before you start this lesson, please have the following things ready:
- Used a continuous integration and continuous deployment pipeline for code contribution in a team with other contributors
- Set up, execute, and monitor advanced deployment techniques
- Write and run various types of automated tests, and integrate these tests into their deployment pipelines
- Implement a backup system that complements their CI/CD setup
- Fixed issues discovered in failed automated and manual code reviews
- Deployed database schema changes and automated data migrations using TYPO3 core technologies
Goals
Theoretical goals
By the end of this lesson, you should know the following:
- Understand common CI workflow failure points and causes
- Learn systematic issue diagnosis in CI pipelines
- Master CI tool troubleshooting methodologies
- Study pipeline optimization and reliability techniques
Practical goals
By the end of this lesson, you should have completed the following:
- Identify and resolve common CI workflow issues
- Implement systematic debugging processes for pipelines
- Configure proper error handling in CI workflows
- Set up pipeline monitoring and alerting systems