Docker container max workers

We are running our pipeline in circle ci. It works quite well with the docker compose using the testproject and chrome docker containers. However, we have quite a few tests in our job and would like to run them in parallel. I was able to set the max workers through the docker compose with an environment variable, but the actual tests don’t run in parallel. The job is set to be parallel run as well.

Is this some sort of limitation in the testproject docker container? Or possibly the chrome container?

From the circle ci docker logs it successfully creates both workers but when it goes to run the tests it does one at a time.

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Hi @jbweb89,
The docker agent cannot work in parallel mode in the same browser.
You can use use the workers in the Docker agent to work in parallel on different browsers at the same tiem.