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How immich Works: Architecture & Code

Project Overview

Immich is a high-performance, self-hosted photo and video backup solution designed as a monorepo. It encompasses a robust NestJS backend API (`server/`), a responsive SvelteKit web frontend (`web/`), a cross-platform Flutter mobile application (`mobile/`), a command-line interface (`cli/`), and a dedicated machine learning service (`machine-learning/`). The system allows professional developers and users to store, manage, and interact with their media, leveraging automated processes for tasks like asset ingestion, metadata extraction, and AI-driven tagging.

Category: platform
Difficulty: advanced
Tech Stack: JavaScript, Node.js
Tags: cv, storage, distributed

Key Modules & Components

Machine Learning Media Analysis: Provides AI-powered features for analyzing media assets, including object detection, facial recognition, and smart tagging. It asynchronously processes media files, leveraging machine learning models to extract insights and enhance the user experience by automatically categorizing and organizing content.
System Configuration Management: Provides a centralized mechanism for managing application settings and feature flags. This includes reading configuration from environment variables, default values, and potentially database storage. It ensures consistent application behavior across different environments and allows administrators to customize the system's functionality.