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Markdown
252 lines
13 KiB
Markdown
# MinIO Go Client SDK for Amazon S3 Compatible Cloud Storage [](https://slack.min.io) [](https://sourcegraph.com/github.com/minio/minio-go?badge) [](https://github.com/minio/minio-go/blob/master/LICENSE)
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The MinIO Go Client SDK provides simple APIs to access any Amazon S3 compatible object storage.
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This quickstart guide will show you how to install the MinIO client SDK, connect to MinIO, and provide a walkthrough for a simple file uploader. For a complete list of APIs and examples, please take a look at the [Go Client API Reference](https://docs.min.io/docs/golang-client-api-reference).
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This document assumes that you have a working [Go development environment](https://golang.org/doc/install).
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## Download from Github
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```sh
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GO111MODULE=on go get github.com/minio/minio-go/v7
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```
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## Initialize MinIO Client
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MinIO client requires the following four parameters specified to connect to an Amazon S3 compatible object storage.
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| Parameter | Description|
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| :--- | :--- |
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| endpoint | URL to object storage service. |
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| _minio.Options_ | All the options such as credentials, custom transport etc. |
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```go
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package main
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import (
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"log"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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)
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func main() {
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endpoint := "play.min.io"
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accessKeyID := "Q3AM3UQ867SPQQA43P2F"
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secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"
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useSSL := true
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// Initialize minio client object.
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minioClient, err := minio.New(endpoint, &minio.Options{
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Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
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Secure: useSSL,
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})
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if err != nil {
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log.Fatalln(err)
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}
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log.Printf("%#v\n", minioClient) // minioClient is now set up
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}
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```
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## Quick Start Example - File Uploader
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This example program connects to an object storage server, creates a bucket and uploads a file to the bucket.
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We will use the MinIO server running at [https://play.min.io](https://play.min.io) in this example. Feel free to use this service for testing and development. Access credentials shown in this example are open to the public.
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### FileUploader.go
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```go
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package main
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import (
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"context"
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"log"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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)
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func main() {
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ctx := context.Background()
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endpoint := "play.min.io"
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accessKeyID := "Q3AM3UQ867SPQQA43P2F"
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secretAccessKey := "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"
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useSSL := true
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// Initialize minio client object.
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minioClient, err := minio.New(endpoint, &minio.Options{
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Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
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Secure: useSSL,
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})
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if err != nil {
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log.Fatalln(err)
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}
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// Make a new bucket called mymusic.
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bucketName := "mymusic"
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location := "us-east-1"
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err = minioClient.MakeBucket(ctx, bucketName, minio.MakeBucketOptions{Region: location})
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if err != nil {
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// Check to see if we already own this bucket (which happens if you run this twice)
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exists, errBucketExists := minioClient.BucketExists(ctx, bucketName)
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if errBucketExists == nil && exists {
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log.Printf("We already own %s\n", bucketName)
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} else {
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log.Fatalln(err)
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}
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} else {
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log.Printf("Successfully created %s\n", bucketName)
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}
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// Upload the zip file
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objectName := "golden-oldies.zip"
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filePath := "/tmp/golden-oldies.zip"
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contentType := "application/zip"
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// Upload the zip file with FPutObject
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info, err := minioClient.FPutObject(ctx, bucketName, objectName, filePath, minio.PutObjectOptions{ContentType: contentType})
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if err != nil {
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log.Fatalln(err)
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}
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log.Printf("Successfully uploaded %s of size %d\n", objectName, info.Size)
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}
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```
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### Run FileUploader
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```sh
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export GO111MODULE=on
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go run file-uploader.go
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2016/08/13 17:03:28 Successfully created mymusic
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2016/08/13 17:03:40 Successfully uploaded golden-oldies.zip of size 16253413
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mc ls play/mymusic/
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[2016-05-27 16:02:16 PDT] 17MiB golden-oldies.zip
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```
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## API Reference
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The full API Reference is available here.
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* [Complete API Reference](https://docs.min.io/docs/golang-client-api-reference)
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### API Reference : Bucket Operations
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* [`MakeBucket`](https://docs.min.io/docs/golang-client-api-reference#MakeBucket)
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* [`ListBuckets`](https://docs.min.io/docs/golang-client-api-reference#ListBuckets)
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* [`BucketExists`](https://docs.min.io/docs/golang-client-api-reference#BucketExists)
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* [`RemoveBucket`](https://docs.min.io/docs/golang-client-api-reference#RemoveBucket)
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* [`ListObjects`](https://docs.min.io/docs/golang-client-api-reference#ListObjects)
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* [`ListIncompleteUploads`](https://docs.min.io/docs/golang-client-api-reference#ListIncompleteUploads)
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### API Reference : Bucket policy Operations
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* [`SetBucketPolicy`](https://docs.min.io/docs/golang-client-api-reference#SetBucketPolicy)
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* [`GetBucketPolicy`](https://docs.min.io/docs/golang-client-api-reference#GetBucketPolicy)
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### API Reference : Bucket notification Operations
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* [`SetBucketNotification`](https://docs.min.io/docs/golang-client-api-reference#SetBucketNotification)
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* [`GetBucketNotification`](https://docs.min.io/docs/golang-client-api-reference#GetBucketNotification)
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* [`RemoveAllBucketNotification`](https://docs.min.io/docs/golang-client-api-reference#RemoveAllBucketNotification)
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* [`ListenBucketNotification`](https://docs.min.io/docs/golang-client-api-reference#ListenBucketNotification) (MinIO Extension)
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* [`ListenNotification`](https://docs.min.io/docs/golang-client-api-reference#ListenNotification) (MinIO Extension)
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### API Reference : File Object Operations
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* [`FPutObject`](https://docs.min.io/docs/golang-client-api-reference#FPutObject)
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* [`FGetObject`](https://docs.min.io/docs/golang-client-api-reference#FGetObject)
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### API Reference : Object Operations
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* [`GetObject`](https://docs.min.io/docs/golang-client-api-reference#GetObject)
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* [`PutObject`](https://docs.min.io/docs/golang-client-api-reference#PutObject)
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* [`PutObjectStreaming`](https://docs.min.io/docs/golang-client-api-reference#PutObjectStreaming)
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* [`StatObject`](https://docs.min.io/docs/golang-client-api-reference#StatObject)
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* [`CopyObject`](https://docs.min.io/docs/golang-client-api-reference#CopyObject)
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* [`RemoveObject`](https://docs.min.io/docs/golang-client-api-reference#RemoveObject)
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* [`RemoveObjects`](https://docs.min.io/docs/golang-client-api-reference#RemoveObjects)
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* [`RemoveIncompleteUpload`](https://docs.min.io/docs/golang-client-api-reference#RemoveIncompleteUpload)
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* [`SelectObjectContent`](https://docs.min.io/docs/golang-client-api-reference#SelectObjectContent)
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### API Reference : Presigned Operations
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* [`PresignedGetObject`](https://docs.min.io/docs/golang-client-api-reference#PresignedGetObject)
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* [`PresignedPutObject`](https://docs.min.io/docs/golang-client-api-reference#PresignedPutObject)
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* [`PresignedHeadObject`](https://docs.min.io/docs/golang-client-api-reference#PresignedHeadObject)
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* [`PresignedPostPolicy`](https://docs.min.io/docs/golang-client-api-reference#PresignedPostPolicy)
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### API Reference : Client custom settings
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* [`SetAppInfo`](https://docs.min.io/docs/golang-client-api-reference#SetAppInfo)
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* [`TraceOn`](https://docs.min.io/docs/golang-client-api-reference#TraceOn)
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* [`TraceOff`](https://docs.min.io/docs/golang-client-api-reference#TraceOff)
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## Full Examples
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### Full Examples : Bucket Operations
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* [makebucket.go](https://github.com/minio/minio-go/blob/master/examples/s3/makebucket.go)
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* [listbuckets.go](https://github.com/minio/minio-go/blob/master/examples/s3/listbuckets.go)
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* [bucketexists.go](https://github.com/minio/minio-go/blob/master/examples/s3/bucketexists.go)
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* [removebucket.go](https://github.com/minio/minio-go/blob/master/examples/s3/removebucket.go)
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* [listobjects.go](https://github.com/minio/minio-go/blob/master/examples/s3/listobjects.go)
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* [listobjectsV2.go](https://github.com/minio/minio-go/blob/master/examples/s3/listobjectsV2.go)
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* [listincompleteuploads.go](https://github.com/minio/minio-go/blob/master/examples/s3/listincompleteuploads.go)
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### Full Examples : Bucket policy Operations
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* [setbucketpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketpolicy.go)
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* [getbucketpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketpolicy.go)
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* [listbucketpolicies.go](https://github.com/minio/minio-go/blob/master/examples/s3/listbucketpolicies.go)
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### Full Examples : Bucket lifecycle Operations
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* [setbucketlifecycle.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketlifecycle.go)
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* [getbucketlifecycle.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketlifecycle.go)
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### Full Examples : Bucket encryption Operations
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* [setbucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketencryption.go)
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* [getbucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketencryption.go)
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* [deletebucketencryption.go](https://github.com/minio/minio-go/blob/master/examples/s3/deletebucketencryption.go)
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### Full Examples : Bucket replication Operations
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* [setbucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketreplication.go)
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* [getbucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketreplication.go)
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* [removebucketreplication.go](https://github.com/minio/minio-go/blob/master/examples/s3/removebucketreplication.go)
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### Full Examples : Bucket notification Operations
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* [setbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/setbucketnotification.go)
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* [getbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/getbucketnotification.go)
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* [removeallbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeallbucketnotification.go)
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* [listenbucketnotification.go](https://github.com/minio/minio-go/blob/master/examples/minio/listenbucketnotification.go) (MinIO Extension)
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* [listennotification.go](https://github.com/minio/minio-go/blob/master/examples/minio/listen-notification.go) (MinIO Extension)
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### Full Examples : File Object Operations
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* [fputobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/fputobject.go)
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* [fgetobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/fgetobject.go)
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* [fputobject-context.go](https://github.com/minio/minio-go/blob/master/examples/s3/fputobject-context.go)
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* [fgetobject-context.go](https://github.com/minio/minio-go/blob/master/examples/s3/fgetobject-context.go)
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### Full Examples : Object Operations
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* [putobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/putobject.go)
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* [getobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/getobject.go)
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* [putobject-context.go](https://github.com/minio/minio-go/blob/master/examples/s3/putobject-context.go)
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* [getobject-context.go](https://github.com/minio/minio-go/blob/master/examples/s3/getobject-context.go)
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* [statobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/statobject.go)
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* [copyobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/copyobject.go)
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* [removeobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeobject.go)
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* [removeincompleteupload.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeincompleteupload.go)
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* [removeobjects.go](https://github.com/minio/minio-go/blob/master/examples/s3/removeobjects.go)
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### Full Examples : Encrypted Object Operations
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* [put-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/put-encrypted-object.go)
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* [get-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/get-encrypted-object.go)
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* [fput-encrypted-object.go](https://github.com/minio/minio-go/blob/master/examples/s3/fputencrypted-object.go)
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### Full Examples : Presigned Operations
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* [presignedgetobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedgetobject.go)
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* [presignedputobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedputobject.go)
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* [presignedheadobject.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedheadobject.go)
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* [presignedpostpolicy.go](https://github.com/minio/minio-go/blob/master/examples/s3/presignedpostpolicy.go)
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## Explore Further
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* [Complete Documentation](https://docs.min.io)
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* [MinIO Go Client SDK API Reference](https://docs.min.io/docs/golang-client-api-reference)
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## Contribute
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[Contributors Guide](https://github.com/minio/minio-go/blob/master/CONTRIBUTING.md)
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## License
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This SDK is distributed under the [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0), see [LICENSE](https://github.com/minio/minio-go/blob/master/LICENSE) and [NOTICE](https://github.com/minio/minio-go/blob/master/NOTICE) for more information.
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