zulip-botserver: Document use of environment var in README.md

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Alex Vandiver 2021-01-07 00:17:03 -08:00 committed by Alex Vandiver
parent bcf183d2b1
commit 385fb51f01

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```
zulip-botserver --config-file <path to botserverrc> --hostname <address> --port <port>
```
Example: `zulip-botserver --config-file ~/botserverrc`
This program loads the bot configurations from the
config file (botserverrc here) and loads the bot modules.
config file (`botserverrc`, here) and loads the bot modules.
It then starts the server and fetches the requests to the
above loaded modules and returns the success/failure result.
Please make sure you have a current botserverrc file with the
configurations of the required bots.
Hostname and Port are optional arguments. Default hostname is
127.0.0.1 and default port is 5002.
The `--hostname` and `--port` arguments are optional, and default to
127.0.0.1 and 5002 respectively.
The format for a configuration file is:
[helloworld]
key=value
email=helloworld-bot@zulip.com
site=http://localhost
token=abcd1234
Is passed `--use-env-vars` instead of `--config-file`, the
configuration can instead be provided via the `ZULIP_BOTSERVER_CONFIG`
environment variable. This should be a JSON-formatted dictionary of
bot names to dictionary of their configuration; for example:
ZULIP_BOTSERVER_CONFIG='{"helloworld":{"email":"helloworld-bot@zulip.com","key":"value","site":"http://localhost","token":"abcd1234"}}' \
zulip-botserver --use-env-vars