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Next create a folder in your user directory (or wherever you prefer) to hold the MinIO data: ~/data.

Create the environment variable file, setting leaving the server URL to localhostcommented out. You can save this file anywhere because you will point to it when starting up the server. I happened to put mine in the same directory as the MinIO data, so at, e.g. ~/data/.minio

# MINIO_ROOT_USER and MINIO_ROOT_PASSWORD sets the root account for the MinIO server.
# This user has unrestricted permissions to perform S3 and administrative API operations on any resource in the deployment.
# Omit to use the default values 'minioadmin:minioadmin'.
# MinIO recommends setting non-default values as a best practice, regardless of environment

MINIO_ROOT_USER=myminioadmin
MINIO_ROOT_PASSWORD=minio-secret-key-change-me

# MINIO_VOLUMES sets the storage volume or path to use for the MinIO server.

MINIO_VOLUMES="mnt/data"

# MINIO_SERVER_URL sets the hostname of the local machine for use with the MinIO Server
# MinIO assumes your network control plane can correctly resolve this hostname to the local machine

MINIO#MINIO_SERVER_URL="http://localhostminio.example.net"

Then point to your environment file when starting up (from within ~/data or whatever folder you have previously created for this):

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Just like AWS S3, in MinIO you can set up a bucket, generate access keys, and configure access rules from the graphical client… but the client can be accessed right on http://localhost:9090 by logging in with the user and password set in the file above. Very cool!

In the MInIO console, create :

1. Create a bucket

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1. and record its name. (You will put this name into both the API & webapp .env files at a later point)

2. Set its Access Policy to “public” (under Buckets > Bucket Name)
   

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3. Then create an Access Key and record the key/secret key for use in the next step

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Connecting MinIO to the LiteFarm API

For running the export server, the only necessary changes to your API .env file are adding your bucket name and the MinIO endpoint:

In packages/api/.env you will have to add three new environment variables:

# The default minio port
MINIO_ENDPOINT=http://localhost:9000

And change the value of two environment variables that might already exist in your .env (otherwise, please add them):

# Set #both Setof asthese into theyour MinIO clientbucket name 
PRIVATE_BUCKET_NAME=<MinIO bucket name here>
PUBLIC_BUCKET_NAME=<MinIO bucket name here>

The S3 configurations in digitalOceanSpaces.js (access key, secret access key) are not used by the export server, which instead spawns a node.js child process that runs the aws-cli. (Note: you may have to download aws-cli first to complete the next step).

Set your aws-cli credentials credentials with your MinIO access key + secret directly in the terminal using

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Some hardcoded Digital Ocean Spaces URLs do need to be refactored out of both the frontend and the backend to make document upload + download (upon email link) work.

You can use These changes have already been done on this branch on GitHub: https://github.com/LiteFarmOrg/LiteFarm/tree/minio

Update: April 2023: As of https://github.com/LiteFarmOrg/LiteFarm/pull/2515 these code changes are now merged into integration and live.

Update the frontend .env (for download link only)

So that the email link actually leads to a successful download, you will want to add two variables to your frontend .env file:

In packages/webapp/.env (these are both new variables):

VITE_DEV_BUCKET_NAME=<MinIO bucket name here>
VITE_DEV_ENDPOINT=localhost:9000

(Finally!) Running the export server

Run Have the normal LiteFarm backend already running in a separate terminal window, then run the export server in packages/api using

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