Upload a JPEG image into `images` bucket.

```
mc cp myphoto.jpg myminio/images
```

Use curl to view contents of `minio_events` index.

```
$ curl  "http://localhost:9200/minio_events/_search?pretty=true"
{
  "took" : 40,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,

MINIO_IDENTITY_LDAP_USER_DN_SEARCH_BASE_DN*  (list)      ";" separated list of user search base DNs e.g. "dc=myldapserver,dc=com"
MINIO_IDENTITY_LDAP_USER_DN_SEARCH_FILTER*   (string)    Search filter to lookup user DN
MINIO_IDENTITY_LDAP_GROUP_SEARCH_FILTER      (string)    search filter for groups e.g. "(&(objectclass=groupOfNames)(memberUid=%s))"