For each incoming Treafik route request, a Post request is send to the urlHeaderRequest
endpoint.
Which should response with a list of headers to apply to the original Traefik request. When the url
Configuration:
plugin:
headers-by-request:
urlHeaderRequest: "http://127.0.0.1/resolve"
enableTiming: true
Request:
{
"request": "https://route-to-app.domain.com/volume1"
}
Response:
{
"headers": {
"header1": "value1",
"header2": "value2"
}
}