[Feature Request]: <title>OPENAI_API_KEY问题，总是提示需要设置OPENAI_API_KEY

[caoxinxiang123]

Do you need to file an issue?

• I have searched the existing issues and this feature is not already filed.
• My model is hosted on OpenAI or Azure. If not, please look at the "model providers" issue and don't file a new one here.
• I believe this is a legitimate feature request, not just a question. If this is a question, please use the Discussions area.

Is your feature request related to a problem? Please describe.

graphrag.config.errors.ApiKeyMissingError: API Key is required for Completion API. Please set either the OPENAI_API_KEY, GRAPHRAG_API_KEY or GRAPHRAG_LLM_API_KEY environment variable.

Describe the solution you'd like

graphrag.config.errors.ApiKeyMissingError: API Key is required for Completion API. Please set either the OPENAI_API_KEY, GRAPHRAG_API_KEY or GRAPHRAG_LLM_API_KEY environment variable.

Additional context

No response

[caoxinxiang123]

File "/app/graphrag/index/cli.py", line 135, in index_cli
config_path = resolve_config_path_with_root(root)
File "/app/graphrag/config/config_file_loader.py", line 41, in resolve_config_path_with_root
raise FileNotFoundError(msg)
FileNotFoundError: Invalid config path: server is not a directory

[KylinMountain]

env里配置一下API key呢？