can't connection etcd.

[0x032c]

docker network create my_net
docker run -d --name etcd -p 2379:2379 --net my_net quay.io/coreos/etcd
docker run -d --name etcdv3-browser -p 8081:8081 --net my_net -e ETCD=etcd:2379 -e EDITABLE=1 rustyx/etcdv3-browser

docker logs etcdv3-browser

{"level":"warn","ts":"2024-08-07T07:48:44.689Z","caller":"clientv3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"endpoint://client-78cb481d-9f8e-4c31-964e-a0871e6f5cec/etcd:2379","attempt":0,"error":"rpc error: code = Canceled desc = latest balancer error: all SubConns are in TransientFailure, latest connection error: connection error: desc = \"transport: Error while dialing dial tcp 172.21.0.2:2379: connect: connection refused\""} 2024-08-07 07:48:44.689285 I | Put: context canceled