{
    "listen": ":8443",
    "connect": "http://emc01.spreadspace.org:8000",
    "cert": "fullchain.pem",
    "key": "private.key",
    "request_header": {
        "X-hello": "world",
        "X-verr": "stefan"
    },
    "response_header": {
        "Cache-Control":  "no-cache"
    }
}