gateway/krakend.json

{
    "$schema": "https://www.krakend.io/schema/v2.5/krakend.json",
    "version": 3,
    "name": "My lovely gateway",
    "port": 8080,
    "cache_ttl": "3600s",
    "timeout": "3s",
    "extra_config": {
      "telemetry/logging": {
        "level":  "DEBUG",
        "prefix": "[KRAKEND]",
        "syslog": false,
        "stdout": true
      },
      "telemetry/metrics": {
        "collection_time": "60s",
        "proxy_disabled": false,
        "router_disabled": false,
        "backend_disabled": false,
        "endpoint_disabled": false,
        "listen_address": ":8090"
      },
      "security/cors": {
        "allow_origins": [ "http://192.168.99.100:3000", "http://localhost:3000" ],
        "allow_methods": [ "POST", "GET" ],
        "allow_headers": [ "Origin", "Authorization", "Content-Type" ],
        "expose_headers": [ "Content-Length" ],
        "max_age": "12h"
      }
    },
    "endpoints": [
        {
            "endpoint": "/supu",
            "method": "GET",
            "input_headers": ["Authorization", "Content-Type"],
            "backend": [
                {
                    "host": [
                        "http://127.0.0.1:8000"
                    ],
                    "url_pattern": "/__debug/supu",
                    "extra_config": {
                        "modifier/martian": {
                            "fifo.Group": {
                                "scope": ["request", "response"],
                                "aggregateErrors": true,
                                "modifiers": [
                                {
                                    "header.Modifier": {
                                        "scope": ["request", "response"],
                                        "name" : "X-Martian",
                                        "value" : "ouh yeah!"
                                    }
                                },
                                {
                                    "header.RegexFilter": {
                                        "scope": ["request"],
                                        "header" : "X-Neptunian",
                                        "regex" : "no!",
                                        "modifier": {
                                            "header.Modifier": {
                                                "scope": ["request"],
                                                "name" : "X-Martian-New",
                                                "value" : "some value"
                                            }
                                        }
                                    }
                                }
                                ]
                            }
                        },
                        "qos/circuit-breaker": {
                            "interval": 60,
                            "timeout": 10,
                            "max_errors": 1
                        }
                    }
                }
            ]
        },
        {
            "endpoint": "/github/{user}",
            "method": "GET",
            "backend": [
                {
                    "host": [
                        "https://api.github.com"
                    ],
                    "url_pattern": "/",
                    "allow": [
                        "authorizations_url",
                        "code_search_url"
                    ],
                    "disable_host_sanitize": true,
                    "extra_config": {
                        "modifier/martian": {
                            "fifo.Group": {
                                "scope": ["request", "response"],
                                "aggregateErrors": true,
                                "modifiers": [
                                {
                                    "header.Modifier": {
                                        "scope": ["request", "response"],
                                        "name" : "X-Martian",
                                        "value" : "ouh yeah!"
                                    }
                                },
                                {
                                    "body.Modifier": {
                                        "scope": ["request"],
                                        "contentType" : "application/json",
                                        "body" : "eyJtc2ciOiJ5b3Ugcm9jayEifQ=="
                                    }
                                },
                                {
                                    "header.RegexFilter": {
                                        "scope": ["request"],
                                        "header" : "X-Neptunian",
                                        "regex" : "no!",
                                        "modifier": {
                                            "header.Modifier": {
                                                "scope": ["request"],
                                                "name" : "X-Martian-New",
                                                "value" : "some value"
                                            }
                                        }
                                    }
                                }
                                ]
                            }
                        },
                        "qos/ratelimit/proxy": {
                            "max_rate": 2,
                            "capacity": 2
                        },
                        "qos/circuit-breaker": {
                            "interval": 60,
                            "timeout": 10,
                            "max_errors": 1
                        }
                    }
                }
            ]
        },
        {
            "endpoint": "/private/{user}",
            "backend": [
                {
                    "host": [ "http://api.github.com" ],
                    "url_pattern": "/",
                    "allow": [
                        "authorizations_url",
                        "code_search_url"
                    ]
                }
            ],
            "extra_config": {
                "auth/validator": {
                    "alg": "RS256",
                    "audience": ["http://api.example.com"],
                    "roles_key": "http://api.example.com/custom/roles",
                    "roles": [ "user", "admin" ],
                    "jwk_url": "https://albert-test.auth0.com/.well-known/jwks.json"
                }
            }
        },
        {
            "endpoint": "/show/{id}",
            "backend": [
                {
                    "host": [
                        "http://showrss.info/"
                    ],
                    "url_pattern": "/user/schedule/{id}.rss",
                    "encoding": "rss",
                    "group": "schedule",
                    "allow": ["items", "title"],
                    "extra_config": {
                        "qos/ratelimit/proxy": {
                            "max_rate": 1,
                            "capacity": 1
                        },
                        "qos/circuit-breaker": {
                            "interval": 60,
                            "timeout": 10,
                            "max_errors": 1
                        }
                    }
                },
                {
                    "host": [
                        "http://showrss.info/"
                    ],
                    "url_pattern": "/user/{id}.rss",
                    "encoding": "rss",
                    "group": "available",
                    "allow": ["items", "title"],
                    "extra_config": {
                        "qos/ratelimit/proxy": {
                            "max_rate": 2,
                            "capacity": 2
                        },
                        "qos/circuit-breaker": {
                            "interval": 60,
                            "timeout": 10,
                            "max_errors": 1
                        }
                    }
                }
            ],
            "extra_config": {
                "qos/ratelimit/router": {
                    "max_rate": 50,
                    "client_max_rate": 5,
                    "strategy": "ip"
                }
            }
        }
    ]
}