Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services that provides object storage through a web service interface. Amazon S3 is undoubtedly one of the popular storage services around. Most of the developers have worked with it either in their professional projects or pet projects to store files. But to work with it, we must need an AWS account, set up the buckets, etc. If you work on a company project, you would have to wait for the credentials from the infrastructure before developing and testing the functionalities. That's where MinIO comes to help.
Minio is an open source distributed object storage server written in Go, designed for Private Cloud infrastructure providing S3 storage functionality. As it implements the same API as amazon S3, any application which can communicate with S3, also can communicate with MinIO. In simple terms, it’s like Amazon S3 but hosted locally. MinIO is a high performance object storage solution that provides an Amazon Web Services S3-compatible API and supports all core S3 features.
Why we are talking about MinIO because you can create S3 storage functionality locally, develop and test your API without needing any actual S3 bucket or account. Later at production, you can just change the credential from MinIO to S3 without changing any internal code.
S3 can serve many purposes including replacing S3 in production but we will talk about from a developer perspective where we will only use it for development, testing and mocking S3 functionalities.
Architecture
MinIO has three major components.
MinIO Server: MinIO Server serves as the root component.
MinIO Client: Referred to as mc provides a modern alternative to UNIX commands like ls, cat, cp, mirror, diff, find etc.
MinIO Client SDK: MinIO Client SDK provides an API to access any Amazon S3 compatible object storage server. These are the available SDK:
Java
Go
Python
JavaScript
.NET
Haskell
In this article, we will learn how to setup a MinIO server in our localhost (which ideally can be replaced with S3 server in production). But we will not use the MinIo client. Rather we will use the existing amazon S3 client SDK.
Installation & Setup
We will now start the installation of the MinIO Server. The best and fastest way to run a instance of MinIO server locally is to use Docker (read more about Docker). You can use either Docker Run or Docker Composer.
Docker Run
`mkdir -p ~/minio/data
docker run \
-p 9000:9000 \
-p 9090:9090 \
--name minio \
-v ~/minio/data:/data \
-e "MINIO_ROOT_USER=root" \
-e "MINIO_ROOT_PASSWORD=password" \
quay.io/minio/minio server /data --console-address ":9090"`
mkdir creates a new local directory at ~/minio/data in your home directory.
docker run starts the MinIO container.
-p binds a local port to a container port.
-name creates a name for the container.
-v sets a file path as a persistent volume location for the container to use. When MinIO writes data to /data, that data mirrors to the local path ~/minio/data, allowing it to persist between container restarts. You can replace ~/minio/data with another local file location to which the user has read, write, and delete access.
-e sets the environment variables MINIO_ROOT_USER and MINIO_ROOT_PASSWORD, respectively. These set the root user credentials. Change the example values to use for your container.
Finally, access the MinIO Console by going to a browser and visiting http://127.0.0.1:9000.
Docker Compose
version: '3'
services:
minio:
image: 'minio/minio:latest'
ports:
- '${FORWARD_MINIO_PORT:-9000}:9000'
- '${FORWARD_MINIO_CONSOLE_PORT:-9090}:9090'
environment:
MINIO_ROOT_USER: 'root'
MINIO_ROOT_PASSWORD: 'password'
volumes:
- 'minio:/data/minio'
command: minio server /data/minio --console-address ":9090"
volumes:
minio:
driver: local
You can access the MinIO Console at http://127.0.0.1:9000.
Credentials:
`Username: Q3AM3UQ867SPQQA43P2F
Password: zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG`
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