Here goes my two cents, but I don't think that advertising is necessarily the correct way to increase revenue -- at least on a long term. As far as I have understood traditional offline companies use advertising to sustain and defend their position from their competitors in the market.
I personally recognize your project's name and remember what it does just by its name, but lately all the Docker orchestration tools seem to do pretty much the same thing. Maybe create a blog post explaining the difference and pros and cons of each one? Case studies maybe?
Absolutely content marketing is the best, it is just very time consuming and soul crushing. I'm thinking of trying to hire some people to write articles about infrastructure, orchestration, deployments, server security, etc.
I personally recognize your project's name and remember what it does just by its name, but lately all the Docker orchestration tools seem to do pretty much the same thing. Maybe create a blog post explaining the difference and pros and cons of each one? Case studies maybe?