Elasticsearch Single node Indexes templates

Create new template

PUT _index_template/prod_template_0
{
  "index_patterns": ["dev-*"],
  "template": {
    "settings": {
      "index": {
        "number_of_shards": 1, 
        "number_of_replicas": 0
      }
    }
  },
  "priority": 600   
}

Update existing indexes

PUT dev-*/_settings
{
  "index": {
    "number_of_replicas": 0
  }
}