whoami

Tiny Go webserver that prints os information and HTTP request to output

Usage

Paths

• /data?size=n: creates a response with a size n.
• /echo: webSocket echo.
• /bench: always return the same response (1).
• /: returns the whoami information (request and network information).
• /api: returns the whoami information as JSON.
• /health: heath check
  • GET, HEAD, ...: returns a response with the status code defined by the POST
  • POST: changes the status code of the GET (HEAD, ...) response.

Flags

• cert: give me a certificate.
• key: give me a key.
• port: give me a port number. (default: 80)

Examples

$ docker run -d -P --name iamfoo containous/whoami

$ docker inspect --format '{{ .NetworkSettings.Ports }}'  iamfoo
map[80/tcp:[{0.0.0.0 32769}]]

$ curl "http://0.0.0.0:32769"
Hostname :  6e0030e67d6a
IP :  127.0.0.1
IP :  ::1
IP :  172.17.0.27
IP :  fe80::42:acff:fe11:1b
GET / HTTP/1.1
Host: 0.0.0.0:32769
User-Agent: curl/7.35.0
Accept: */*

# update health check status
$ curl -H "Content-Type: application/json" -X POST -d '500' http://localhost:80/health

# calls the health check
$ curl -v http://localhost:8082/health
*   Trying ::1:80...
* TCP_NODELAY set
* Connected to localhost (::1) port 80 (#0)
> GET /health HTTP/1.1
> Host: localhost:80
> User-Agent: curl/7.65.3
> Accept: */*
> 
* Mark bundle as not supporting multiuse
< HTTP/1.1 500 Internal Server Error
< Date: Mon, 16 Sep 2019 22:52:40 GMT
< Content-Length: 0