Awesome

<a title="License MIT" href="https://github.com/xnbox/DeepfakeHTTP/blob/master/LICENSE"><img src="https://img.shields.io/badge/license-MIT-blue?style=flat-square"></a> <a title="Latest release" href="https://github.com/xnbox/DeepfakeHTTP/releases"><img src="https://img.shields.io/github/v/release/xnbox/DeepfakeHTTP?style=flat-square&color=28A745"></a> <a title="Powered by Tommy" href="https://github.com/xnbox/tommy"><img src="https://img.shields.io/badge/powered_by-Tommy-blueviolet?style=flat-square"></a> <br>

GET /api/customer/123 HTTP/1.1

HTTP/1.1 200 OK
Content-Type: application/json

{
    "id": 123,
    "fname": "John",
    "lname": "Doe",
    "email": ["john@example.com", "johndoe@example.com"]
}

java -jar df.jar --dump dump.txt

java -jar df.jar [OPTIONS] [FLAGS] [COMMANDS]                                 
                                                                              
OPTIONS:                                                                       
   --host <host>            host name, default: localhost                      
   --port <number>          HTTP TCP port number, default: 8080                
   --port-ssl <number>      HTTPS TCP port number, default: 8443               
   --dump <file|url>...     dump text file(s)/URL(s)
   --db <file|url>          json/yaml/csv memory file to populate templates    
   --db-export <file>       export memory to json file                         
   --db-path <path>         serve live memory file at specified context        
   --dir <dir>              forward unmatched requests to specified directory            
   --js <file|url>...       JavaScript file(s) for script engine context       
   --openapi-path <path>    serve built-in OpenAPI client at specified context 
   --openapi-title <text>   provide custom OpenAPI specification title         
   --collect <file>         collect live request/response to file              
   --format <json|yaml>     output format for --print-* commands, default: json
   --status <number>        status code for non-matching requests, default: 404
   --max-log-body <number>  max body bytes in console log, default: unlimited  
                                                                               
FLAGS:                                                                         
   --no-log                 disable request/response console logging           
   --no-log-request-info    disable request info in console logging            
   --no-log-headers         disable request/response headers in console logging
   --no-log-body            disable request/response body in console logging   
   --no-cors                disable CORS headers                               
   --no-etag                disable 'ETag' header                              
   --no-server              disable 'Server' header                            
   --no-watch               disable watch files for changes                    
   --no-color               disable ANSI color output for --print-* commands   
   --no-pretty              disable prettyprint for --print-* commands         
   --no-template            disable template processing                        
   --no-wildcard            disable wildcard processing                        
   --no-bak                 disable backup old memory file before overwrite    
   --strict-json            enable strict JSON comparison                      
   --redirect               enable redirect HTTP to HTTPS                      
   --db-export-on-exit      export memory only on server close event           
                                                                               
COMMANDS:                                                                      
   --help                   print help message                                 
   --print-info             print dump files statistics to stdout as json/yaml 
   --print-requests         print dump requests to stdout as json/yaml         
   --print-openapi          print OpenAPI specification to stdout as json/yaml

    ✓  no dependencies<br>     ✓  no installation<br>     ✓  no configs<br>     ✓  crossplatform<br>     ✓  single-file executable<br>     ✓  command-line interface<br>

<br><br>

Two seconds request delay:<br>

GET / HTTP/1.1
X-Delay: 2000

Two seconds response delay:<br>

HTTP/1.1 200 OK
X-Delay: 2000

Get a response body from a remote server:<br>

HTTP/1.1 200 OK
Content-Type: application/json
X-Content-Source: http://example.com/api/car/1234.json

Get a response body from a file:<br>

HTTP/1.1 200 OK
Content-Type: image/jpeg
X-Content-Source: file:///home/john/photo.jpeg

Get a response body from a data URI:<br>

HTTP/1.1 200 OK
Content-Type: image/gif
X-Content-Source: data:image/gif;base64,R0lGODlhAQABAIAAAP...

GET /api/customer{id} HTTP/1.1
X-OpenAPI-Summary: Get customer information

<br>See Also:<br>        <a href="#X-OpenAPI-Description"><code>X-OpenAPI-Description</code></a><br>        <a href="#X-OpenAPI-Tags"><code>X-OpenAPI-Tags</code></a><br>        <a href="#X-OpenAPI-Parameters"><code>X-OpenAPI-Parameters</code></a>

GET /api/customer{id} HTTP/1.1
X-OpenAPI-Summary: Get customer information
X-OpenAPI-Description: This API extracts customer info from db

<br>See Also:<br>        <a href="#X-OpenAPI-Summary"><code>X-OpenAPI-Summary</code></a><br>        <a href="#X-OpenAPI-Tags"><code>X-OpenAPI-Tags</code></a><br>        <a href="#X-OpenAPI-Parameters"><code>X-OpenAPI-Parameters</code></a>

GET /api/customer{id} HTTP/1.1
X-OpenAPI-Summary: Get customer information
X-OpenAPI-Description: This API extracts customer info from db
X-OpenAPI-Tags: Work with customer, Buyers, Login info

<br>See Also:<br>        <a href="#X-OpenAPI-Summary"><code>X-OpenAPI-Summary</code></a><br>        <a href="#X-OpenAPI-Description"><code>X-OpenAPI-Description</code></a><br>        <a href="#X-OpenAPI-Parameters"><code>X-OpenAPI-Parameters</code></a>

GET /api/customer{id} HTTP/1.1
X-OpenAPI-Summary: Get customer information
X-OpenAPI-Description: This API extracts customer info from db
X-OpenAPI-Tags: Work with customer, Buyers, Login info
X-OpenAPI-Parameters: name=cust_id;description=Customer ID,
 name=rdate;description=Review Date

<br>See Also:<br>        <a href="#X-OpenAPI-Summary"><code>X-OpenAPI-Summary</code></a><br>        <a href="#X-OpenAPI-Description"><code>X-OpenAPI-Description</code></a><br>        <a href="#X-OpenAPI-Tags"><code>X-OpenAPI-Tags</code></a>

HTTP/1.1
X-Forward-To: http://example.com:8080

HTTP/1.1 200 OK
X-Handler-CGI: /home/john/myprog.sh param1 param2

<br>See Also:<br>        <a href="#X-Handler-XGI"><code>X-Handler-XGI</code></a><br>        <a href="#X-Handler-JS"><code>X-Handler-JS</code></a>

HTTP/1.1
X-XGI: /home/john/myprog.sh param1 param2

<br>See Also:<br>        <a href="#X-Handler-CGI"><code>X-Handler-CGI</code></a><br>        <a href="#X-Handler-JS"><code>X-Handler-JS</code></a>

JavaScript function modify memory data:

DELETE /customers/{id}

HTTP/1.1 200 OK
X-Handler-JS: deleteCustomer
Content-Type: application/json

{"id": "${request.parameters.id[0]}"};

function deleteCustomer(request, response, data) {
    const id = request.parameters.id[0];
    delete data.customers[id];
}

DELETE /customers/{id}

HTTP/1.1
X-Handler-JS: deleteCustomer

function deleteCustomer(request, response, data) {
    const id = request.parameters.id[0];
    if (data.customers[id] === undefined) {
        response.status = 404;
        response.body = {error: true, message: 'ID not found'};
    }
    delete data.customers[id];
    response.status = 200;
    response.headers['Content-Type'] = 'application/json';
    response.body = {error: false, message: null};
}

<br>See Also:<br>        <a href="#cli-js"><code>--js <file|url>...</code></a><br>        <a href="#cli-db"><code>--db <file|url>...</code></a><br>        <a href="#X-Handler-CGI"><code>X-Handler-CGI</code></a><br>        <a href="#X-Handler-XGI"><code>X-Handler-XGI</code></a> <img width="1000" height="0">

NOTE:<br>             1. Optional request headers will not be sent to the server engine.<br>             2. Optional response headers will not be sent to clients.