Feature: Update Configuration Reading Logic and Set Default Priority for Chat Application

[cubxxw]

Checklist

• I've searched for similar issues and couldn't find anything matching
• I've discussed this feature request in the OpenIMSDK Slack and got positive feedback

Is this feature request related to a problem?

✅ Yes

Problem Description

The current configuration setup for the chat application relies on reading configurations from the openim-server, which has been removed. As a result, the configuration reading logic needs to be updated, and default configurations need to be provided for the chat application.

Solution Description

1. Configuration Update:
   • The chat application currently fetches its configuration from the openim-server via Zookeeper.
   • Since the openim-server no longer provides these configurations, the chat application's configuration reading logic needs to be revised.
2. Default Configuration:
   • Default configurations should be provided for all settings required by the chat application.
   • These defaults should ensure that the chat application can run smoothly even when specific configuration values are not available.
3. Configuration Priority:
   • Implement a priority system for reading configurations, allowing flexibility in where configurations are sourced from.
   • The priority order should be as follows:
     • First, check if there is a specific flag indicating the configuration.
     • If the flag is not set, check for configurations in environment variables.
     • If not found in environment variables, fall back to reading from a configuration file.
4. Specific Configuration Examples:
   • Certain critical configurations like middleware account credentials and openIM URL (openIMUrl: "http://127.0.0.1:10002/") should be handled with care.
   • Ensure that these specific configurations can be overridden through the priority system mentioned above.
5. Testing and Documentation:
   • Rigorously test the updated configuration reading logic to ensure it functions as expected.
   • Update documentation to reflect the changes in configuration setup and how to use default values or override them when necessary.
6. Backward Compatibility:
   • Ensure that this configuration update does not disrupt any existing functionality of the chat application.
   • Legacy configurations should be gracefully handled or migrated as required.

Benefits

The program will become even more automated.

Potential Drawbacks

No response

Additional Information

No response

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