The platform layer services run in containers with middlewares such as databases, messaging system, file system, workflow orchestration, secret management, and observability.

Sub-component Overview

Component	Description
fs-lib	Provides notification for JuiceFS.
juicefs	Provides cloud-native distributed file system for multi-node clusters.
mongodb	A general purpose, document-based, distributed database; used as the document storage in Olares.
nats	A lightweight and high-performance message-oriented middleware, used as the messaging system.
open-telemetry	Enables tracing of request workflows within Olares using eBPF-based monitoring.
postgresql	A powerful, open source object-relational database system; Functions as the primary relational database in Olares.
prometheus	An open-source monitoring system used for system monitoring and resource usage tracking.
redis	Contains Redis-like persistent key-value store services for KV cache in Olares.
tapr	Provides the app run time for Olares. Bundles a curated set of sidecars and Kubernetes operators to solve the “boring but critical” plumbing required by most self-hosted apps—file uploads, secret storage, event streaming, WebSockets, and turnkey data services.
velero	An open-source tool to safely backup and restore, perform disaster recovery, and migrate Kubernetes cluster resources and persistent volumes.