refs #219: create page about Drupal training.

content/working-at-sparkfabrik/drupal-frontend-training.md

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+# Drupal Learning Path
+
+## Introduction
+
+The following training program includes a section of Core Drupal Knowledge, with which every Drupalist should be comfortable at least on a basic level.
+
+A skilled Drupal developer should possess a combination of frontend and backend expertise, along with a good understanding of Drupal's architecture and best practices.
+
+## Core Skills
+
+Even before specific knowledge of Drupal, there are some core skills that we consider essential for working on any project - refer to the playbook for them: [Core Skills at Sparkfabrik](https://playbook.sparkfabrik.com/working-at-sparkfabrik/core-skills)
+
+All core skills are important, but in particular you need to know how to master:
+
+- Command line usage
+- GIT (basic commands)
+- Terminology and basic concepts for CI/CD
+
+## Core Drupal Knowledge:
+
+1. **Drupal Architecture:**
+   - Understand the structure of Drupal and its components.
+   - Familiarity with the Drupal core modules and how they interact.
+
+2. **Basic Theming:**
+   - Proficient in creating and customizing themes.
+   - Knowledge of Twig templating engine.
+
+3. **Basic Module Development:**
+   - Ability to create custom modules.
+   - Understanding of Drupal hooks and events.
+
+4. **Site Building:**
+   - Expertise in building and configuring Drupal sites.
+   - Content type creation and management.
+   - Views configuration for content display.
+   - Media library, image styles and Responsive images.
+
+6. **Entity API:**
+   - Understanding of entities and the Entity API.
+   - Creation of custom entities and fields.
+
+7. **Configuration:**
+   - Configuration import and export.
+   - Deploy lifecycle of Drupal project.
+   - Usage of Config Ignore and Config Split
+
+8. **Drupal 8/9/10 Standards:**
+   - Adherence to Drupal coding standards.
+   - Familiarity with changes and improvements introduced in each Drupal version.
+
+## Backend skills
+
+1. **Backend Development:**
+   - Proficiency in PHP, especially within the Drupal context.
+   - Knowledge of Drupal's database abstraction layer (DBAL).
+   - Implementation of custom functionality using hooks and services.
+
+2. **Module Development:**
+   - Knwoledge of main Drupal's APIs.
+   - Integration with third-party modules.
+
+## Frontend skills
+
+**Note:** in this playbook, you can find frontend development guidelines originally written for Drupal 8 (D8), but they remain relevant for Drupal 10 (D10): [Frontend Guidelines for Drupal 8](https://playbook.sparkfabrik.com/tools-and-policies/frontend-guidelines-drupal8)
+
+1. **HTML/CSS/JavaScript:**
+   - Strong skills in HTML, CSS, and JavaScript for frontend development.
+   - Drupal behavior and core JS libraries.
+   - Knowledge of modern frontend frameworks (e.g., React, Vue.js) if required.
+
+2. **Twig Templating:**
+   - Proficient in using Twig for theming.
+   - Ability to create and modify templates effectively.
+
+3. **Responsive Design:**
+    - Understanding and implementation of responsive web design principles.
+    - Breakpoints usage.
+
+4. **Theme libraries:**
+    - Strategies for including libraries in a theme.
+    - Extension and override of a library.
+
+## Tools and Best Practices:
+
+1. **Drush and Composer:**
+    - Expertise in using Drush for Drupal site administration.
+    - Experience with Composer for dependency management.
+
+2. **Performance Optimization:**
+    - Knowledge of performance optimization techniques for Drupal sites.
+    - Familiarity with caching strategies.
+    - Kwnoledge of WebProfiler module.
+    - Key metrics from Google PageSpeed Insights.
+
+3. **Security Best Practices:**
+    - Understanding of Drupal security best practices.
+    - Regular application of security updates.
+
+4. **Testing:**
+    - Familiarity with testing frameworks (e.g., PHPUnit and Behat) for automated testing.
+    - Writing and executing tests for Drupal code.
+
+5. **Documentation:**
+    - Creating and maintaining clear and comprehensive code documentation.
+    - Writing documentation for site configuration and architecture.
+
+6. **Continuous Integration/Continuous Deployment (CI/CD):**
+    - Integration of Drupal projects into CI/CD pipelines.
+    - Automated testing and deployment processes.
+
+7. **Troubleshooting:**
+    - Ability to identify and resolve issues quickly.
+    - Proficient in debugging and using Drupal's error reporting tools.
+
+## Community Involvement:
+
+1. **Drupal Community Participation:**
+    - Active involvement in the Drupal community.
+    - Contribution to Drupal core or contributed modules/themes.
+
+2. **Stay Updated:**
+    - Continuous learning and staying updated with the latest Drupal trends and technologies.
+
+A well-rounded Drupal developer should be comfortable working on both frontend and backend aspects, ensuring the efficient development and maintenance of Drupal projects.