v.3.25.1

Improvements:

1. Service dependencies were updated.

2. [LUNA-8161] Added comprehensive storage architecture documentation (see storage)

   • Storage types overview: images, objects, and folders

   • Account-based access control model using Luna-Account-Id headers

   • User-defined metadata management via Luna-Meta-* headers

   • Lifecycle (TTL) configuration and precedence rules

   • Internal storage structure for local filesystem and S3-compatible backends

   • Naming conventions and internal prefixes (luna_folder_, luna_meta_folder_)

   • Path length restrictions and system-level limitations

   • S3 IAM permissions and local filesystem permissions

   • Detailed comparison: Local vs S3 storage implementations

   • Best practices for storage selection and management

3. [LUNA-8161] Added comprehensive folders functionality documentation (see folders)

   • Folder naming restrictions and path length limitations

   • Account-based ownership and permissions model (required for folders)

   • Folder lifecycle (TTL) configuration with precedence hierarchy

   • Internal storage representation for folders

   • Detailed local storage structure: physical directories and metadata

   • Detailed S3 storage structure: virtual folders via key prefixes

   • Comparison of folder storage: Local vs S3-compatible implementations

   • Working with subfolders and hierarchical organization

   • Migration guide for existing objects to folder structure

   • Minimal S3 IAM permissions required for folder operations

   • Local storage container permissions and Docker setup

   • API operation references and usage examples

   • Best practices and troubleshooting guide

Migration:

See a migration manual.