Elasticsearch provides the capability of providing a template and some parameters to fill it. This functionality is very useful because it allows you to manage query templates stored in the .scripts index and allows you to change them without changing the application code.
Using the search template
Getting ready
You need an up-and-running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 1, Getting Started.
To execute these commands, any HTTP client can be used, such as curl (https://curl.haxx.se/), postman (https://www.getpostman.com/), or similar. I suggest using the Kibana console as it provides code completion and better character escaping for...
