Database configuration

/etc/cortex/application.conf

[..]
## ElasticSearch
search {
  index = cortex
  # For cluster, join address:port with ',': "http://ip1:9200,ip2:9200,ip3:9200"
  uri = "http://127.0.0.1:9200"

  ## Advanced configuration
  # Scroll keepalive.
  #keepalive = 1m
  # Scroll page size.
  #pagesize = 50
  # Number of shards
  #nbshards = 5
  # Number of replicas
  #nbreplicas = 1
  # Arbitrary settings
  #settings {
  #  # Maximum number of nested fields
  #  mapping.nested_fields.limit = 100
  #}

  ## Authentication configuration
  #user = "cortex"
  #password = "<cortex_user_password>"

  ## SSL configuration
  #keyStore {
  #  path = "/path/to/keystore"
  #  type = "JKS" # or PKCS12
  #  password = "keystore-password"
  #}
  #trustStore {
  #  path = "/path/to/trustStore"
  #  type = "JKS" # or PKCS12
  #  password = "trustStore-password"
  #}
}

Required Elasticsearch privileges

If Elasticsearch authentication is enabled, uncomment user and password. The Elasticsearch user must have specific privileges to work with Cortex. See the detailed configuration steps in the step-by-step guide.