Doccano: Azure 部署上的 Postgress 主机无效

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1. 它必须是错误、功能请求或文档的重大问题（对于小文档修复，请改为发送 PR）。
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系统信息

• 操作系统平台和发行版（例如 Linux Ubuntu 16.04） ：Azure
• Python 版本：不适用

描述问题

在这里清楚地描述问题。 请务必在此处传达为什么它是错误或功能请求。

源代码/日志

包括任何有助于诊断问题的日志或源代码。 如果包括回溯，请包括完整的回溯。 应附上大型日志和文件。 尝试提供一个可重现的测试用例，它是生成问题所需的最低限度。

self._wrapped = Settings(settings_module)
2019-06-18T08:13:35.564035712Z   File "/usr/local/lib/python3.6/site-packages/django/conf/__init__.py", line 107, in __init__
2019-06-18T08:13:35.564040112Z     mod = importlib.import_module(self.SETTINGS_MODULE)
2019-06-18T08:13:35.564044312Z   File "/usr/local/lib/python3.6/importlib/__init__.py", line 126, in import_module
2019-06-18T08:13:35.564048712Z     return _bootstrap._gcd_import(name[level:], package, level)
2019-06-18T08:13:35.564053012Z   File "", line 994, in _gcd_import
2019-06-18T08:13:35.564057412Z   File "", line 971, in _find_and_load
2019-06-18T08:13:35.564061912Z   File "", line 955, in _find_and_load_unlocked
2019-06-18T08:13:35.564066212Z   File "", line 665, in _load_unlocked
2019-06-18T08:13:35.564070612Z   File "", line 678, in exec_module
2019-06-18T08:13:35.564075012Z   File "", line 219, in _call_with_frames_removed
2019-06-18T08:13:35.564080012Z   File "/doccano/app/app/settings.py", line 245, in 
2019-06-18T08:13:35.564084612Z     ssl_require='sslmode' not in furl(env('DATABASE_URL', '')).args,
2019-06-18T08:13:35.564088912Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1310, in __init__
2019-06-18T08:13:35.564093212Z     self.load(url)  # Raises ValueError on invalid url.
2019-06-18T08:13:35.564097412Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1337, in load
2019-06-18T08:13:35.564101712Z     self.netloc = tokens.netloc  # Raises ValueError in Python 2.7+.
2019-06-18T08:13:35.564106012Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1801, in __setattr__
2019-06-18T08:13:35.564111312Z     object.__setattr__(self, attr, value)
2019-06-18T08:13:35.564115613Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1464, in netloc
2019-06-18T08:13:35.564125813Z     self.host = host
2019-06-18T08:13:35.564131113Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1801, in __setattr__
2019-06-18T08:13:35.564135513Z     object.__setattr__(self, attr, value)
2019-06-18T08:13:35.564139613Z   File "/usr/local/lib/python3.6/site-packages/furl/furl.py", line 1379, in host
2019-06-18T08:13:35.564144013Z     raise ValueError(errmsg % (host, INVALID_HOST_CHARS))
2019-06-18T08:13:35.564148213Z ValueError: Invalid host '[email protected]'. Host strings must have at least one non-period character, can't contain any of '!@#$%^&'"*()+=:;/', and can't have adjacent periods.

@cw 我在部署时看到以下行为你如何为 postgress 生成主机名？ 似乎这是一种罕见的情况，总线仍应得到解决。