https://stackoverflow.com/questions/76080627/elasticsearch-docker-authentication-exception-with-python-client

session.txt

$ cat testes.py 
from elasticsearch import Elasticsearch, helpers


es = Elasticsearch(
    ['http://localhost:9200'],
    basic_auth=('elastic', 'my_pass')
)
print(es.ping())
print(es.info())

$ docker run -d -p 9200:9200 --name my_es -e "discovery.type=single-node" -e "xpack.security.enabled=true" -e "ELASTIC_PASSWORD=my_pass" docker.elastic.co/elasticsearch/elasticsearch:8.5.0
99522c891548a6f5b0ca79bd34a90f94f1e759fedc5240ad0787d1741c10e57a

$ echo make sure es is started
make sure es is started

$ sleep 10

$ python testes.py 
True
{'name': '99522c891548', 'cluster_name': 'docker-cluster', 'cluster_uuid': 'lH1lEUFYQ-qoPM60ITj3Fg', 'version': {'number': '8.5.0', 'build_flavor': 'default', 'build_type': 'docker', 'build_hash': 'c94b4700cda13820dad5aa74fae6db185ca5c304', 'build_date': '2022-10-24T16:54:16.433628434Z', 'build_snapshot': False, 'lucene_version': '9.4.1', 'minimum_wire_compatibility_version': '7.17.0', 'minimum_index_compatibility_version': '7.0.0'}, 'tagline': 'You Know, for Search'}

$ docker rm -f my_es 
my_es