Need to create /etc/hosts entry for non-wildcard alias domains in site create and site update.

We need to pin the docker images to a specific hash to avoid any unnecessary surprises.

Something like

FROM debian@sha256:de3eac83cd481c04c5d6c7344cd7327625a1d8b2540e82a8231b5675cef0ae5f

Here is a link to an Example Dockerfile

EasyEngine adds www redirections(www.example.com -> example.com or vice-versa) only if it finds that domain with www is pointed to the server. The reason for doing so is that to add https redirect from www.example.com -> example.com, we need a cert that is valid for both domains www.example.com and example.com. And to get that certificate, we need to ensure www is pointed to the server.

According to the current execution flow of cron-command, whenever any new cron job is added, it restarts the easyengine/cron container to accommodate the new changes. This can disrupt the cycle of already running cron-jobs.

For example, if a job is running every 10 minutes and had completed say 9 minutes before restart was executed, then it's time will start from zero again. Thus, the exec