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MinIO
This document will guide you through installing the MinIO file service plugin on your Medusa server.
Overview
To manage images in Medusa, you need a file service plugin responsible for hosting. Without a file service plugin, you will face issues while working with Medusa, such as when uploading images for products.
Medusa provides three different options to handle your file storage. This document will focus on setting up MinIO on your local machine and connecting Medusa to it.
Prerequisites
A Medusa server is required to be set up before following along with this document. You can follow the quickstart guide to get started in minutes.
Set up MinIO
You can follow MinIO’s guide to install it on your machine based on your operating system.
After installing it, make sure MinIO is always running when your Medusa server is running. It’s recommended that you set up an alias to quickly start the MinIO server as instructed at the end of the installation guides in MinIO.
:::warning
In MinIO’s documentation, port 9000 is used for the address of the MinIO server. However, this collides with the port for the Medusa server. You must change the port for MinIO to another one (for example, port 9001).
:::
Create a MinIO bucket
After installing MinIO and logging into the Console, click on “Create Bucket” to create a new bucket that will store the files of your Medusa server.
Then, in the form, enter a name for the bucket and click on Create Bucket. By MinIO’s requirement, the name can only consist of lower case characters, numbers, dots (.), and hyphens (-).
After creating the bucket, click on the cog icon at the top right to configure the bucket.
Then, click on the edit icon next to Access Policy. This will open a pop-up.
In the pop-up, change the selected value to “public” and click Set.
:::warning
Changing the Access Policy to public will allow anyone to access your bucket. Avoid storing sensitive data in the bucket.
:::
Generate Access Keys
From the sidebar of your MinIO console, click on Identity then Service Accounts.
Then, click on Create Service Account.
This will generate a random Access Key and Secret Key for you.
Click on Create. A pop-up will then show the value for your Access Key and Secret Key. Copy them to use in the next section.
:::caution
You will not be able to access the Secret Key after closing the pop-up. So, make sure to store it somewhere to use later when configuring the plugin.
:::
Plugin Installation
In the directory of your Medusa server, run the following command to install the MinIO plugin:
npm install medusa-file-minio
Then, add the following environment variables in .env:
MINIO_ENDPOINT=<ENDPOINT>
MINIO_BUCKET=<BUCKET>
MINIO_ACCESS_KEY=<ACCESS_KEY>
MINIO_SECRET_KEY=<SECRET_KEY>
Where <ENDPOINT> is the URL of your MinIO server, <BUCKET> is the name of the bucket you created earlier, and <ACCESS_KEY> and <SECRET_KEY> are the keys you generated in the previous section.
Finally, configure your medusa-config.js to include the plugin with the required options:
{
resolve: `medusa-file-minio`,
options: {
endpoint: process.env.MINIO_ENDPOINT,
bucket: process.env.MINIO_BUCKET,
access_key_id: process.env.MINIO_ACCESS_KEY,
secret_access_key: process.env.MINIO_SECRET_KEY,
},
},
Test it Out
Run your Medusa server alongside the Medusa Admin to try out your new file service. Upon editing or creating products, you can now upload thumbnails and images, that are stored in a MinIO server.
Next.js Storefront Configuration
If you’re using a Next.js storefront, you need to add an additional configuration that adds the MinIO domain name into the configured images domain names. This is because all URLs of product images will be from the MinIO server.
If this configuration is not added, you’ll receive the error "next/image Un-configured Host”.
In next.config.js add the following option in the exported object:
module.exports = {
//other options
images: {
domains: [
"127.0.0.1",
//any other domains...
],
},
}
Where 127.0.0.1 is the domain of your local MinIO server.
What’s Next 🚀
- Check out more plugins you can add to your store.