Pong

A simple http echo server written in golang based on https://github.com/kataras/iris

Build

default settings

$ go build pong.go

small binary

$ GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" pong.go
$ upx --ultra-brute ./pong

Run locally

run pong server on default port 80

$ ./pong

specify custom port number via env var

$ PONG_LISTENING_ADDRESS="0.0.0.0:7654" ./pong

or via command line arg (overrides env var)

$ ./pong :8181

Build docker

$ docker build -t ludenus/pong:0.0.1 .

Run docker

directly

$ docker run -ti --rm --name pong ludenus/pong:0.0.1

or via docker-compose

$ docker-compose up

Usage

$ ./pong :1234
$ curl -XGET http://localhost:1234/ping/blablabla
{"pong":"blablabla"}

Troubleshooting

$ ./pong 1234
[ERRO] 2018/09/23 19:56 listen tcp: address 1234: missing port in address

Forgot column, should be :1234 instead of 1234

Versions

works on Ubuntu 18.04.1 LTS

$ uname -a
Linux hostname 4.15.0-34-generic #37-Ubuntu SMP Mon Aug 27 15:21:48 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

$ go version
go version go1.10.1 linux/amd64