Compatibility with official Vanilla GeoServer 2.27 version, and latest PostGIS version

[romer8]

Overview

This PR modernizes the Tethys Dataset Services library with comprehensive updates for GeoServer compatibility, and enhanced testing capabilities.

Key Changes

🌐 GeoServer Engine Enhancements

• Vanilla GeoServer compatibility: Updated for latest GeoServer versions and PostGIS

• API improvements: Enhanced GeoServer REST API integration with better error handling

• PostgreSQL improvements: Enhanced PostGIS integration with connection handling

🧪 Testing Infrastructure Overhaul

• Docker-based E2E testing: New Docker Compose setup for consistent test environments

📚 Documentation and Configuration

• Updated README: Comprehensive installation instructions, testing guidelines, and usage examples
• Enhanced Docker setup: New docker-compose.yml with latest GeoServer (2.27.0) and PostGIS

Testing

✅ All unit tests passing

[coveralls]

Pull Request Test Coverage Report for Build 16946001841

Details

• 522 of 522 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 11004438596:	0.0%
Covered Lines:	1472
Relevant Lines:	1472

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💛 - Coveralls

[swainn]

See comments.