Comprehensive Documentation Quality Improvements and Sample Code Cleanup

[bigweaverbeta]

Overview

This PR implements comprehensive documentation improvements across the Dynamo repository to enhance clarity, completeness, consistency, and professionalism. All standalone sample code has been removed or converted to inline examples.

Requirements Implemented

✅ Improved clarity and completeness of explanations

• Enhanced README.md with detailed, annotated examples
• Expanded all major concept sections with comprehensive explanations
• Added real-world use cases and context for each feature

✅ Enhanced code examples within documentation

• Added 30+ new inline code examples across all documentation
• Included expected return values for better understanding
• Provided complete, runnable examples with error handling patterns
• Added three complete transaction workflow examples

✅ Ensured consistency in documentation style and formatting

• Standardized code example formatting throughout
• Unified terminology and naming conventions
• Applied consistent structure to all @moduledoc sections
• Uniform error handling patterns

✅ Removed sample code sections from documentation files

• Deleted lib/examples.ex (standalone sample module)
• Removed duplicate code snippet from dynamo_bulk_insert_example.livemd
• Converted all samples to inline documentation examples

Key Changes

📖 README.md Enhancements

• Introduction: Enhanced with clearer value proposition
• Why Dynamo: Expanded benefits with detailed explanations
• Quick Start: Transformed into complete annotated walkthrough
• Key Concepts: Significantly expanded with composite key examples
• Usage Guide: Enhanced with comprehensive examples for all operations
• Configuration: Complete rewrite with three-tier hierarchy explanation
• Transaction Support: Complete rewrite with real-world examples
• Error Handling: New section with structured patterns and best practices
• Batch Operations: Added comprehensive batch get section
• Querying: Expanded with operator reference table and examples

📝 Source Code Documentation (@moduledoc)

• lib/schema.ex: Completely rewrote with comprehensive overview and examples
• lib/table.ex: Enhanced with categorized operations and performance notes
• lib/transaction.ex: Comprehensive rewrite with ACID properties and examples
• lib/config.ex: Added hierarchy explanation and multi-tenant examples

🧹 Sample Code Cleanup

• Deleted: lib/examples.ex - standalone sample module
• Cleaned: dynamo_bulk_insert_example.livemd - removed duplicate code
• Result: All code examples now serve as inline documentation

📋 Documentation Tracking

• Added: DOCUMENTATION_IMPROVEMENTS.md - comprehensive change log

Documentation Statistics

• README.md expanded: ~600 → ~950+ lines
• Source file @moduledoc enhancements: 4 files
• New inline code examples: 30+
• Standalone sample files removed: 1
• Complete transaction examples: 3
• Error handling patterns documented: 4

Quality Improvements

Before

• Basic examples without context
• Minimal error handling documentation
• Limited configuration explanation
• Standalone sample code files
• Inconsistent formatting

After

• Comprehensive annotated examples
• Detailed error handling with patterns
• Complete configuration hierarchy explained
• All samples as inline documentation
• Consistent professional formatting

Impact

These improvements make the Dynamo library:

• ✨ More accessible to new users with comprehensive getting started guides
• 🎯 Easier to use correctly with detailed examples and best practices
• 🔧 More maintainable with consistent, professional documentation
• 🚀 Production-ready in appearance and quality
• 📚 Better at teaching concepts with real-world examples
• ⚠️ Clearer about edge cases with comprehensive error handling documentation

Files Changed

Modified (7 files)

• README.md - Comprehensive improvements throughout
• dynamo_bulk_insert_example.livemd - Removed duplicate code
• lib/config.ex - Enhanced @moduledoc
• lib/schema.ex - Enhanced @moduledoc
• lib/table.ex - Enhanced @moduledoc
• lib/transaction.ex - Enhanced @moduledoc
• .devfile.yaml - Development environment configuration

Added (1 file)

• DOCUMENTATION_IMPROVEMENTS.md - Detailed change log

Deleted (1 file)

• lib/examples.ex - Removed standalone sample code

Testing

All documentation changes have been reviewed for:

• ✅ Accuracy of code examples
• ✅ Consistency in formatting
• ✅ Completeness of explanations
• ✅ Proper cross-references
• ✅ No broken or duplicate examples

Next Steps

Future enhancements could include:

• API reference documentation generation with ExDoc
• Video tutorials or interactive guides
• More advanced usage patterns and recipes
• Performance tuning and optimization guides
• Migration guides from other DynamoDB libraries