Heroku websocket 连接 [英] Heroku websocket connection

问题描述

我正在构建一个在 heroku 默认服务级别上托管的应用程序，例如 my_app.herokuapp.com 应该打开一个 websocket.由于域是 https:// 我必须使用 wss:// 才能转发请求.

I'm building an app to be hosted on heroku default service level like my_app.herokuapp.com which should open a websocket. Since domain is https:// I have to use wss:// in order to forward requests.

问题是3秒后连接失败

失败:连接建立错误:net::ERR_CONNECTION_CLOSED

failed: Error in connection establishment: net::ERR_CONNECTION_CLOSED

在 SSL 端点文档页面中，我可以阅读

所有默认的 appname.herokuapp.com 域都已启用 SSL，并且可以通过使用https访问，例如，https://appname.herokuapp.com.

All default appname.herokuapp.com domains are already SSL-enabled and can be accessed by using https, for example, https://appname.herokuapp.com.

但是在 my_app 详细信息页面中有

but in my_app detail page there is

SSL - 升级到付费 dynos 以配置 Heroku SSL

SSL - Upgrade to paid dynos to configure Heroku SSL

我闻到这可能是无法建立连接的原因，但由于这些句子似乎自相矛盾，我想更好地理解这个问题.

I smell this could be the reason why the connection cannot be established but since these sentences seems contradictory I would like to understand better the matter.

我认为由于我使用的是子域，因此启用了 SSL，但也许我需要升级到付费 dyno 才能对其进行配置.

I thought that since I'm using a subdomain the SSL is enabled but perhaps I need to upgrade to paid dyno in order to configurate it.

如果可以的话，我的解决方案是升级到业余爱好许可证(7 美元/月)，以确保

If this can be the deal my solution would be to upgrade to hobby license (7$/month) which ensures the

自定义域的免费 SSL.

FREE SSL for custom Domains.

我是否遗漏了什么或者这可能是原因?

Am I missing something or this could be the reason?

推荐答案

根据 https://devcenter.heroku.com/articles/ssl:

任何使用付费 dynos 的应用程序都免费包含 Heroku SSL

Heroku SSL is included for free on any app that uses paid dynos

这是黄鼠狼的语言；除非您已经付费，否则它并不是真正免费的.

This is weasel language; it's not really free unless you're already paying for it.

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