Refactoring (#103)

Major Version Additions
- PostgreSQL 18 Support: Added PostgreSQL 18beta1 with PostGIS 3.5 and 3.6 variants
- PostGIS 3.6: New PostGIS 3.6.0alpha1 support for cutting-edge geospatial features
- Bundle Images: Created extended 17-3.5-bundle0 variant with additional geospatial tools

Infrastructure Improvements
- Advanced Caching System: Implemented intelligent API caching reducing build times from 10 minutes to 21 seconds
- Local Development Tools: Added comprehensive setup script for local testing environment
- Multi-Architecture Support: Enhanced ARM64/AMD64 builds with improved manifest handling (experimental)
  - .github/workflows/test_manifest.yml

Build System Enhancements
- Template System Overhaul: Refined Dockerfile templates for better maintainability
- CI/CD Pipeline: New GitHub Actions workflows for automated testing and manifest generation
- Version Management: Improved automatic version detection with GitHub API rate limiting protection
- Quality Assurance: Enhanced testing framework for bundle variants and PostGIS functionality

Developer Experience
- Makefile Improvements: Better target management and build process optimization
- Cache Helper Tools: New utilities for managing build cache and API rate limits

etc.

Author: ImreSamu

.circleci/config.yml

@@ -159,11 +159,19 @@ workflows:
                 "16-master-bookworm",
                 "16-recent-bookworm",
                 "17-3.4-alpine3.21",
+                "17-3.4-alpine3.22",
                 "17-3.5-alpine3.21",
                 "17-3.5-alpine3.22",
-                "17-3.5-bookworm",
+#   --skip--    "17-3.5-bookworm",  -->  generated with the related bundle job!
                 "17-3.5-bullseye",
+                "17-3.5-bundle0-bookworm",
+                "17-3.6-alpine3.22",
                 "17-master-bookworm",
                 "17-recent-bookworm",
+                "18-3.5-alpine3.22",
+                "18-3.5-bookworm",
+                "18-3.6-alpine3.22",
+                "18-master-bookworm",
+                "18-recent-bookworm",
 #circleci-targets-end
               ]

.dockerignore

@@ -19,3 +19,6 @@ apply-*.sh
 
 trivy_cache
 tmp/
+
+venv-docker-postgis/
+tools/dive