Data & Analytics

MinIO Self-Hosted Storage

Deploy MinIO as a self-hosted, S3-compatible object storage server for private cloud environments.

Claude Code Cursor Copilot

Overview

MinIO is a high-performance, S3-compatible object storage server that can be self-hosted on any infrastructure. It is designed for private cloud, hybrid cloud, and edge computing scenarios where data sovereignty, compliance, or cost control requires on-premise storage. MinIO achieves read/write speeds of up to 183 GB/s and 171 GB/s on standard hardware.

MinIO provides full S3 API compatibility, supporting all standard operations including multipart uploads, presigned URLs, bucket versioning, object locking, lifecycle management, and server-side encryption. The minio JavaScript client provides a clean API for all these operations. MinIO can serve as a drop-in replacement for S3 in development environments, enabling local testing without AWS costs.

For production deployments, MinIO supports distributed mode with erasure coding for data protection, allowing deployment across multiple nodes and drives. It provides a web console for management, Prometheus metrics for monitoring, and integrates with external identity providers for access control. MinIO is widely used as the storage backend for AI/ML pipelines, data lakes, and backup systems.

Who Is This For?

Run S3-compatible storage on local or private infrastructure
Replace S3 with MinIO for local development and testing
Build a self-hosted backup system with versioning
Deploy object storage for AI/ML training data pipelines

Installation

Setup for Claude Code

npm install minio

Configuration

import * as Minio from "minio"

const minio = new Minio.Client({
  endPoint: "localhost",
  port: 9000,
  useSSL: false,
  accessKey: process.env.MINIO_ACCESS_KEY!,
  secretKey: process.env.MINIO_SECRET_KEY!,
})

// Upload a file
await minio.putObject("my-bucket", "photo.jpg", fileBuffer)

// Generate presigned URL
const url = await minio.presignedGetObject("my-bucket", "photo.jpg", 3600)