curl -X POST -d @mapping.json + mapping not created

Question

I am learning elasticsearch. I have specified the mapping in \'mapping.json\'. Its contents are

{
    \"book\" : {
         \"_index\" : {
             \"enabled         


        

Answer 1

command

curl -XPUT localhost:9200/_template/logstash -d @/Users/template.json   

response

{"acknowledged":true}