Auto-updating docker container is not stable about webpagetest.agent HOT 2 CLOSED

I set up a cron job to trigger builds daily at midnight GMT. I'll keep an eye on it to make sure it is working as expected.

Feel free to submit a PR to rip out all of the in-container update code (otherwise I'll make a pass at it later today).

One thing we probably need to figure out is a clean way to shut down the agent when killing the container so updates don't just terminate in the middle of a test.

from webpagetest.agent.

I'll prepare the PR.
About gracefully killing:
The signal_handler could be connected to SIGTERM in addition to SIGINT. Then I'd write the entrypoint so it propagates the signal to the wptagent process.

By default docker stop sends SIGTERM to the main process with a grace period of 10 seconds before sending SIGKILL. However, the grace period can also set to be longer, i.e. with docker stop ----time=30 foo. This way we could allow the agent to finish the test first within a given period.

from webpagetest.agent.