[Bug]: unable to connect to es01 cluster

[sherlock30]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch name

main

Commit ID

7def208

Other environment information

No response

Actual behavior

tail -f -n 100 logs/rag/es.log

Elasticsearch version: (8, 12, 1)
Fail to connect to es: Connection error caused by: ConnectionError(Connection error caused by: NameResolutionError(<urllib3.connection.HTTPConnection object at 0x7ffa7bbce100>: Failed to resolve 'es01' ([Errno -3] Temporary failure in name resolution)))
Fail to connect to es: Connection error caused by: ConnectionError(Connection error caused by: NameResolutionError(<urllib3.connection.HTTPConnection object at 0x7ffa7bbce790>: Failed to resolve 'es01' ([Errno -3] Temporary failure in name resolution)))

Expected behavior

No response

Steps to reproduce

After running the docker

Additional information

No response

[KevinHuSh]

check the ES container status using
docker ps

there should be ragflow-es-01.

Please refer this part of README.md to setup your system

[sherlock30]

I have already assigned the virtual memory to es container as 262144.
After following the documentation, I came across this issue