无法访问在GCE上以0.0.0.0运行的Flask应用 [英] Can't access Flask app running on 0.0.0.0 on GCE

问题描述

我在主机"0.0.0.0"和端口7000上为本地Google计算实例设置了防火墙规则.

I set Firewall Rule for my local google compute instance at host '0.0.0.0' and port 7000.

我执行了python server.py，它在https://0.0.0.0:7000上运行 但是当我在本地浏览器上输入https://external-ip:7000时，它不起作用.

And I executed python server.py, it was running on https://0.0.0.0:7000 but when I enter https://external-ip:7000 on my local browser it did not work.

那么如何在Google计算引擎上运行flask并在本地计算机浏览器中打开?

So how can I run flask on google compute engine and open in my local computer browser?

server.py

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
   return 'Hello World’

if __name__ == '__main__':
   app.run(debug=1,port=7000,host='0.0.0.0')

推荐答案

几件事:

检查您的VPC防火墙:

Check your VPC firewall:

https://cloud.google.com/vpc/docs/firewalls

在您的终端中，通过发出以下命令来查看连接是否在该主机上本地工作:

In your terminal, see if connections are working locally on that host by issuing:

telnet localhost 7000

如果已连接，则为防火墙或以下防火墙.

If it connects then it's either firewall or the below.

如果您使用的是https，则可能需要以下内容:

If you're running on https, you'll probably need to have something along the lines of:

context = ('host.crt', 'host.key')
app.run(host='0.0.0.0',port='7000', ssl_context=context)

最后，它是https://而不是\

Lastly, it's https:// not \

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