Troubleshooting deployment issues

As with the environments we have previously deployed to, deployment issues will eventually arise. To ensure that they don't completely ruin your day, it is best to research common pitfalls that could cause issues in your Firebase hosted application.

HTTP resources served over HTTPS

As part of the Firebase Hosting service, all the traffic is automatically served over SSL/HTTPS. Make no mistake, this is a positive statement, but it could potentially cause issues in the form of blocked content from external resources that are served over standard HTTP. I've run into this issue when deploying an application that still has resources loaded from a Content Delivery Network (CDN) that isn't using HTTPS. For example, navigating to http://code.ionicframework.com/* causes an error within the Firebase environment. Thankfully, the solution is straightforward enough. You simply have to replace the external resource call with either a resource loaded over...