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MinIO Configuration Guide ​

Service Overview ​

MinIO is a high-performance open-source object storage server that is fully compatible with the Amazon S3 cloud storage service API. MinIO can be deployed locally, in private clouds, or in public clouds.

Official Website: https://min.io/

Official Documentation: https://docs.min.io/

Installing MinIO ​

bash
docker run -p 9000:9000 -p 9001:9001 \
  --name minio \
  -e "MINIO_ROOT_USER=minioadmin" \
  -e "MINIO_ROOT_PASSWORD=minioadmin" \
  -v ~/minio/data:/data \
  minio/minio server /data --console-address ":9001"

Using Docker Compose ​

Create docker-compose.yml:

yaml
version: '3.7'

services:
  minio:
    image: minio/minio
    ports:
      - "9000:9000"
      - "9001:9001"
    environment:
      MINIO_ROOT_USER: minioadmin
      MINIO_ROOT_PASSWORD: minioadmin123
    volumes:
      - ./data:/data
    command: server /data --console-address ":9001"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
      interval: 30s
      timeout: 20s
      retries: 3

Start:

bash
docker-compose up -d

Binary Installation ​

Linux/macOS:

bash
wget https://dl.min.io/server/minio/release/linux-amd64/minio
chmod +x minio
./minio server /data

Windows: Download minio.exe and run:

cmd
minio.exe server D:\data

Configuration Parameters ​

Endpoint ​

MinIO endpoint format depends on your deployment:

Local Deployment:

http://localhost:9000

LAN Deployment:

http://192.168.1.100:9000

Domain Deployment:

https://minio.example.com

Note:

  • Default API port is 9000
  • Default console port is 9001

Region ​

MinIO uses us-east-1 as the default region.

You can customize in server configuration:

bash
export MINIO_REGION_NAME=my-region
minio server /data

For most use cases, the default value works fine.

Obtaining Access Keys ​

Method 1: Using Root Credentials (Development) ​

The simplest way is to use the root credentials set during installation:

  • Access Key: Value of environment variable MINIO_ROOT_USER (default: minioadmin)
  • Secret Key: Value of environment variable MINIO_ROOT_PASSWORD (default: minioadmin)

⚠️ Warning: Must change default credentials in production!

  1. Log into MinIO Console

    • Visit http://localhost:9001 (or your MinIO console address)
    • Log in with root credentials

  2. Create Service Account

    • Click "Identity" → "Service Accounts" in left menu
    • Click "Create Service Account" button
    • (Optional) Configure access policy to limit permissions
    • Click "Create"

  3. Save Credentials

    • Page will display Access Key and Secret Key
    • ⚠️ Important: Save immediately, cannot view again after page refresh

Configuration Examples ​

Local Development Configuration ​

Connection Name: Local MinIO Dev
Endpoint: http://localhost:9000
Access Key: minioadmin
Secret Key: minioadmin
Region: us-east-1

LAN Configuration ​

Connection Name: Office MinIO Server
Endpoint: http://192.168.1.100:9000
Access Key: myaccesskey
Secret Key: mysecretkey123
Region: us-east-1

HTTPS Configuration ​

Connection Name: Production MinIO
Endpoint: https://minio.company.com
Access Key: AKIAIOSFODNN7EXAMPLE
Secret Key: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
Region: us-east-1