Changing version of wiremock from 2.32.0 to latest, I get the following error on startup: $ docker run --rm -p 8080:8080 wiremock/wiremock:latest [0.001s][warning][os,thread] Failed to start thread "GC Thread#0" - pthread_create failed (EPERM) for attributes: stacksize: 1024k, guardsize: 4k, detached. # # There is insufficient memory for the Java Runtime Environment to continue. what configuration is necessary? Thanks

This works fine for me, which suggests you have some lower defaults set in your Docker environment. WireMock will start OK with 64Mb of memory (or probably a bit less at a push) so I guess your default is significantly lower than this.

Solved by upgrading docker engine