For testing purposes, here is [how to create self-signed certificates](https://github.com/minio/minio/tree/master/docs/tls#3-generate-self-signed-certificates).

## 2. Create Kubernetes secret

[Kubernetes secrets](https://kubernetes.io/docs/concepts/configuration/secret) are intended to hold sensitive information.

```

Create a MinIO service using `docker service` to read from Docker secrets.

```
docker service create --name="minio-service" --secret="access_key" --secret="secret_key" quay.io/minio/minio server /data
```

Read more about `docker service` [here](https://docs.docker.com/engine/swarm/how-swarm-mode-works/services/)

#### MinIO Custom Access and Secret Key files

  set -e ; # fail if we can't read the keys.
  ACCESS=$(cat /config/rootUser) ; SECRET=$(cat /config/rootPassword) ;
  set +e ; # The connections to minio are allowed to fail.
  echo "Connecting to MinIO server: $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT" ;
  MC_COMMAND="${MC} alias set myminio $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT $ACCESS $SECRET" ;
  $MC_COMMAND ;
  STATUS=$? ;
  until [ $STATUS = 0 ]
  do

ENV MINIO_ACCESS_KEY_FILE=access_key \
    MINIO_SECRET_KEY_FILE=secret_key \
    MINIO_ROOT_USER_FILE=access_key \
    MINIO_ROOT_PASSWORD_FILE=secret_key \
    MINIO_KMS_SECRET_KEY_FILE=kms_master_key \
    MINIO_UPDATE_MINISIGN_PUBKEY="RWTx5Zr1tiHQLwG9keckT0c45M3AGeHD6IvimQHpyRywVWGbP1aVSGav" \
    MINIO_CONFIG_ENV_FILE=config.env \

##### Cluster

```yaml
scrape_configs:
- job_name: minio-job
  bearer_token: <secret>
  metrics_path: /minio/v2/metrics/cluster
  scheme: http
  static_configs:
  - targets: ['localhost:9000']
```

##### Bucket centric

```yaml
- job_name: minio-job-bucket
  bearer_token: <secret>
  metrics_path: /minio/v2/metrics/bucket
  scheme: http
  static_configs:
  - targets: ['localhost:9000']

Example: Limit a MinIO cluster to accept at max 1600 simultaneous S3 API requests across all nodes of the cluster.

```sh
export MINIO_API_REQUESTS_MAX=1600
export MINIO_ROOT_USER=your-access-key
export MINIO_ROOT_PASSWORD=your-secret-key
minio server http://server{1...8}/mnt/hdd{1...16}
```

or

```sh
mc admin config set myminio/ api requests_max=1600
mc admin service restart myminio/
```

  2. export MC_HOST_{{ template "minio.fullname" . }}-local=http://$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "minio.secretName" . }} -o jsonpath="{.data.rootUser}" | base64 --decode):$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "minio.secretName" . }} -o jsonpath="{.data.rootPassword}" | base64 --decode)@localhost:{{ .Values.service.port }}

ENV MINIO_ACCESS_KEY_FILE=access_key \
    MINIO_SECRET_KEY_FILE=secret_key \
    MINIO_ROOT_USER_FILE=access_key \
    MINIO_ROOT_PASSWORD_FILE=secret_key \
    MINIO_KMS_SECRET_KEY_FILE=kms_master_key \
    MINIO_UPDATE_MINISIGN_PUBKEY="RWTx5Zr1tiHQLwG9keckT0c45M3AGeHD6IvimQHpyRywVWGbP1aVSGav" \
    MINIO_CONFIG_ENV_FILE=config.env

export MINIO_ROOT_PASSWORD=<TENANT1_SECRET_KEY>
minio server --address :9001 http://192.168.10.1{1...4}/data/tenant1

export MINIO_ROOT_USER=<TENANT2_ACCESS_KEY>
export MINIO_ROOT_PASSWORD=<TENANT2_SECRET_KEY>
minio server --address :9002 http://192.168.10.1{1...4}/data/tenant2

export MINIO_ROOT_USER=<TENANT3_ACCESS_KEY>
export MINIO_ROOT_PASSWORD=<TENANT3_SECRET_KEY>

    - Copy the OAuth Client Key as the value for `<CLIENT_ID>`.
    - Copy the OAuth Client Secret as the value for `<CLIENT_SECRET>`.
  - By default, `<IS_HOST>` is localhost. However, if using a public IP, the respective IP address or domain needs to be specified.