Go Quickstart Guide

// FileUploader.go MinIO example
package main

import (
        "context"
        "log"

        "github.com/minio/minio-go/v7"
        "github.com/minio/minio-go/v7/pkg/credentials"
)

func main() {
        ctx := context.Background()
        endpoint := "play.min.io"
        accessKeyID := "Q3AM3UQ867SPQQA43P2F"
        secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"
        useSSL := true

        // Initialize minio client object.
        minioClient, err := minio.New(endpoint, &minio.Options{
                Creds:  credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
                Secure: useSSL,
        })
        if err != nil {
                log.Fatalln(err)
        }

        // Make a new bucket called testbucket.
        bucketName := "testbucket"
        location := "us-east-1"

        err = minioClient.MakeBucket(ctx, bucketName, minio.MakeBucketOptions{Region: location})
        if err != nil {
                // Check to see if we already own this bucket (which happens if you run this twice)
                exists, errBucketExists := minioClient.BucketExists(ctx, bucketName)
                if errBucketExists == nil && exists {
                        log.Printf("We already own %s\n", bucketName)
                } else {
                        log.Fatalln(err)
                }
        } else {
                log.Printf("Successfully created %s\n", bucketName)
        }

        // Upload the test file
        // Change the value of filePath if the file is in another location
        objectName := "testdata"
        filePath := "/tmp/testdata"
        contentType := "application/octet-stream"

        // Upload the test file with FPutObject
        info, err := minioClient.FPutObject(ctx, bucketName, objectName, filePath, minio.PutObjectOptions{ContentType: contentType})
        if err != nil {
                log.Fatalln(err)
        }

        log.Printf("Successfully uploaded %s of size %d\n", objectName, info.Size)
}