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dockerfiles/krakend/README.md
2019-12-02 18:49:06 +08:00

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krakend
=======
[KrakenD][1] is a high-performance open source API Gateway.
Its core functionality is to create an API that acts as an aggregator of many
microservices into single endpoints, doing the heavy-lifting automatically for
you: aggregate, transform, filter, decode, throttle, auth and more.
## krakend config
<details>
<summary>krakend.json</summary>
```json
{
"version": 2,
"name": "My httpbin gateway",
"port": 8080,
"endpoints": [
{
"endpoint": "/httpbin",
"backend": [
{
"host": [
"https://httpbin.org"
],
"url_pattern": "/headers"
},
{
"host": [
"https://httpbin.org"
],
"url_pattern": "/ip"
}
]
}
]
}
```
</details>
```
$ krakend-config2dot -c krakend.json | dot -Tpng -o krakend.png
```
![](data/krakend.png)
## up and running
```bash
$ docker-compose up -d
$ curl http://localhost:8080/httpbin
{
"headers": {
"Accept-Encoding": "gzip",
"Host": "httpbin.org",
"User-Agent": "KrakenD Version 1.0.0"
},
"origin": "172.17.0.1, 1.2.3.4, 172.17.0.1"
}
```
[1]: https://www.krakend.io/