Module ngx_http_addition_module
| Example Configuration Directives add_before_body add_after_body addition_types  | 
The ngx_http_addition_module module is a filter
that adds text before and after a response.
This module is not built by default, it should be enabled with the
--with-http_addition_module
configuration parameter.
Example Configuration
location / {
    add_before_body /before_action;
    add_after_body  /after_action;
}
Directives
| Syntax: | 
            add_before_body  | 
                
|---|---|
| Default: | — | 
| Context: | 
            http, server, location | 
                
Adds the text returned as a result of processing a given subrequest
before the response body.
An empty string ("") as a parameter cancels addition
inherited from the previous configuration level.
| Syntax: | 
            add_after_body  | 
                
|---|---|
| Default: | — | 
| Context: | 
            http, server, location | 
                
Adds the text returned as a result of processing a given subrequest
after the response body.
An empty string ("") as a parameter cancels addition
inherited from the previous configuration level.
| Syntax: | 
            addition_types  | 
                
|---|---|
| Default: | 
            addition_types text/html;  | 
                
| Context: | 
            http, server, location | 
                
This directive appeared in version 0.7.9.
Allows adding text in responses with the specified MIME types,
in addition to “text/html”.
The special value “*” matches any MIME type (0.8.29).