As soon as we brought our redis and mongo in house, k8s became easier and cheaper than heroku (and 2 other PAAS solutions that we had experimented with). After

As soon as we brought our redis and mongo in house, k8s became easier and cheaper than heroku (and 2 other PAAS solutions that we had experimented with). After the switch (and a single open source tool) we still didn't need any specialized devops knowledge, we just have developers in house.