Introduction : Document upload is a common requirement in modern applications. In a multi-tenant application, document storage must also maintain clear separation among tenants, users, and system-level documents. In our application, we use Spring Boot, Kotlin, MongoDB, and Nextcloud to manage documents. During tenant registration, document-storage information such as the Nextcloud
ETL (Extract, Transform, Load) ETL (Extract, Transform, Load) is a fundamental process in databases and data warehousing used to move and process data from one system to another. It consists of three main steps: 1. Extract – Retrieve data from multiple sources (e.g., databases, APIs, files). 2. Transform – Clean, filter,
Understanding the Role of System and Common Projects * Common Project: For shared things that multiple projects can use (like tools, reusable code, or common settings). Example: Same DTOs, enums, or helper functions used everywhere. * System Project: For things specific to one application (like custom logic, workflows, and configurations). Example: APIs,