docker 容器：curl：（7）无法连接到 172.17.0.1 端口 4000：没有到主机的路由
[英]docker container: curl: (7) Failed to connect to 172.17.0.1 port 4000: No route to host
问题描述
I have graphql server running on the main machine on 4000 port
我在 4000 端口的主机上运行了graphql服务器
curl from the machine works well and I got what I expect:机器上的 curl 效果很好，我得到了我的期望：
curl -X POST -H "Content-Type: application/json" --data '{ "query": "{ me { _id } }" }' http://localhost:4000/graphq
when I do curl on container:当我在容器上卷曲时：
curl http://172.17.0.1
I got:我有：
<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.16.1</center>
</body>
</html>
It shows me that I can reach ngnix from container and it indicates for me that I can reach my machine from the container.它告诉我我可以从容器到达ngnix并且它告诉我我可以从容器到达我的机器。
but when I curl form container:但是当我卷曲形成容器时：
curl -X POST -H "Content-Type: application/json" --data '{ "query": "{ me { _id } }" }' http://172.17.0.1:4000/graphql
I got:我有：
curl: (7) Failed to connect to 172.17.0.1 port 4000: No route to host
1 个解决方案
解决方案1
0 2020-08-30 08:43:37
I think you have to configure Nginx for public access because the docker uses a special network like it does have different network range you have to specify the network range in the Nginx server.我认为您必须将 Nginx 配置为公共访问，因为 docker 使用特殊网络，就像它确实具有不同的网络范围一样，您必须在 Nginx 服务器中指定网络范围。
please refer the following link: https://docs.nginx.com/nginx/admin-guide/security-controls/controlling-access-proxied-tcp/请参考以下链接： https : //docs.nginx.com/nginx/admin-guide/security-controls/controlling-access-proxied-tcp/
https://www.cyberciti.biz/faq/linux-unix-nginx-access-control-howto/ https://www.cyberciti.biz/faq/linux-unix-nginx-access-control-howto/
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