add function to s3

backend/internal/common/database/migrations/003_object_storage_config.sql

@@ -0,0 +1,22 @@
+-- Migration: Object Storage Configuration
+-- Description: Creates table for storing MinIO object storage configuration
+-- Date: 2026-01-09
+
+CREATE TABLE IF NOT EXISTS object_storage_config (
+    id SERIAL PRIMARY KEY,
+    dataset_path VARCHAR(255) NOT NULL UNIQUE,
+    mount_point VARCHAR(512) NOT NULL,
+    pool_name VARCHAR(255) NOT NULL,
+    dataset_name VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_object_storage_config_pool_name ON object_storage_config(pool_name);
+CREATE INDEX IF NOT EXISTS idx_object_storage_config_updated_at ON object_storage_config(updated_at);
+
+COMMENT ON TABLE object_storage_config IS 'Stores MinIO object storage configuration, linking to ZFS datasets';
+COMMENT ON COLUMN object_storage_config.dataset_path IS 'Full ZFS dataset path (e.g., pool/dataset)';
+COMMENT ON COLUMN object_storage_config.mount_point IS 'Mount point path for the dataset';
+COMMENT ON COLUMN object_storage_config.pool_name IS 'ZFS pool name';
+COMMENT ON COLUMN object_storage_config.dataset_name IS 'ZFS dataset name';