Karate: Master node unable to communicate with worker node and getting Connection refused error

Question

[Windows 10 and MAC] Trying to run karate test case on docker with Distributed-Testing, but not working as expected and getting below error on worker node.

Error:

21:34:34.263 [main]  ERROR com.intuit.karate - org.apache.http.conn.HttpHostConnectException: Connect to karate:9080 [karate/172.18.0.2] failed: Connection refused (Connection refused), http call failed after 3 milliseconds for url: http://karate:9080/healthcheck

21:34:36.266 [main]  DEBUG com.intuit.karate.shell.Command - attempt #30 waiting for http to be ready at: http://karate:9080/healthcheck

21:34:36.270 [main]  DEBUG com.intuit.karate - request:

31 > GET http://karate:9080/healthcheck

31 > Host: karate:9080

31 > Connection: Keep-Alive

31 > User-Agent: Apache-HttpClient/4.5.13 (Java/1.8.0_275)

31 > Accept-Encoding: gzip,deflate

Ref Link: [Distributed-Testing] https://github.com/karatelabs/karate/wiki/Distributed-Testing

Using jobserver example project mentioned on above website. https://github.com/intuit/karate/tree/develop/examples/jobserver

Commands Used:

docker run --network=karate --name karate --cap-add=SYS_ADMIN -w /src karate bash mvn clean test -Dtest=WebDockerJobRunner

docker run -d --network=karate --rm --cap-add=SYS_ADMIN -e KARATE_JOBURL=http://karate:9080 karate