HTTP 协议相关的工具
HTTP 请求回显: echoserver
下载镜像：
docker pull googlecontainer/echoserver:1.10
启动：
$ docker run -idt --name echoserver -p 9090:8080 -p 8443:8443 googlecontainer/echoserver:1.10
直接访问 echo 容器效果如下：
$ curl 127.0.0.1:9090
Hostname: 611185215d7a
Pod Information:
-no pod information available-
Server values:
server_version=nginx: 1.13.3 - lua: 10008
Request Information:
client_address=172.17.0.1
method=GET
real path=/
query=
request_version=1.1
request_scheme=http
request_uri=http://127.0.0.1:9090/
Request Headers:
accept=*/*
host=127.0.0.1:9090
user-agent=curl/7.54.0
Request Body:
-no body in request-
HTTP 请求记录: http-record
echoserver 向客户端返回接收的请求情况，http-record 不仅向客户端返回，同时在本地的标准输出打印日志。在测试流量复制功能时，复制的请求的回应会被丢弃，可以用 http-record 观察请求是否被复制。
docker run -idt --name http-record -p 9091:8080 lijiaocn/http-record:0.0.1
请求：
$ curl 127.0.0.1:9091
{
"RemoteAddr": "172.17.0.1:49802",
"Method": "GET",
"Host": "127.0.0.1:9091",
"RequestURI": "/",
"Header": {
"Accept": [
"*/*"
],
"User-Agent": [
"curl/7.54.0"
]
},
"Body": ""
}%
容器日志：
$ docker logs -f http-record
/go/src/Server/echo.go:46: {
"RemoteAddr": "172.17.0.1:49802",
"Method": "GET",
"Host": "127.0.0.1:9091",
"RequestURI": "/",
"Header": {
"Accept": [
"*/*"
],
"User-Agent": [
"curl/7.54.0"
]
},
"Body": ""
}