Hugo Bernier shares his expertise in technology to explain how gateway services work and how to install one.  When using cloud-based services like Office 365 and the Power Platform, it can be challenging to integrate with your on-premises resources. All of a sudden, your on-premises databases, APIs, file shares, and even your existing on-premises SharePoint infrastructure become impossible to reach. At least, not without making some giant holes in your firewall. At our recent Toronto Citizen Developer User Group…