A simple service returns HTTP request headers and body, support returning HTTP error code 404 or 503, get outbound public ip address etc.
docker build -t repository/repo/image .
A github workflow is also included to push image to ghcr.io
docker run -it --rm -p 8080:8080 -e repository/repo/echo
# Get
curl http:https://localhost:8080
GET / HTTP/1.1
Host: localhost:8080
User-Agent: curl/7.58.0
Accept: */*
hostname: 1f0c0966e7c0
remote_addr: 172.17.0.1
version: v0.0.1
elapsed: 0.000
# Get outbound public ip
curl http:https://localhost:8080/ip
{
"ip": "167.220.255.116",
"ip_decimal": 2816278388,
"country": "Singapore",
"country_iso": "SG",
"country_eu": false,
"zip_code": "18",
"city": "Singapore",
"latitude": 1.2929,
"longitude": 103.8547,
"time_zone": "Asia/Singapore",
"asn": "AS3598",
"asn_org": "MICROSOFT-CORP-AS",
"user_agent": {
"product": "curl",
"version": "7.80.0",
"raw_value": "curl/7.80.0"
}
# HTTP error code
curl -i http:https://localhost:8080/503
HTTP/1.1 503 Service Temporarily Unavailable
Server: openresty/1.21.4.1
Date: Thu, 08 Dec 2022 01:50:10 GMT
Content-Type: text/plain
Transfer-Encoding: chunked
Connection: keep-alive
Service Unavailable
Open echo.yaml, replace echo.example.com to your echo domain name, then
kubectl create ns echo
kubectl apply -f echo.yaml -n echo