Reduce size of production app using text compression/webpack settings

[jcolla-holla]

I ran some performance tests using Lighthouse on the staging app and got very low scores on performance, with some suggestions to improve this primarily by using some sort of text compression approach. See the full audit scores in link below:

lighthouse_staging_summary_2020_07_24.pdf

I found this article that might be a good starting point for quick wins by using some webpack options. More info here. And here for estimating loading gains by using text compression.

As a benchmark, these are the webpack file sizes, specifically looking at app.js which is 5.18 MB:

Possibly more valuable techniques here