We are about to build an application that consist of large amounts of CRUD, Reporting, Payroll, etc. This is going to be broken up in to micro services for some of the heavier parts. Should I be looking at core to move forward? We currently have our application in standard, but its going bye bye when our new app releases.

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There is a lot of usage in this app. Think Thousands of users during the day running payroll, processing timesheets, etc.