Property Based Testing

Most software tests are example driven. Another approach is property based testing which checks the invariants of the code by using generated test data.

Application Metrics

Prometheus is the de facto standard for application metrics. This presentation explains what Prometheus is, how it works, and how to use it in detail.

Application Observability

The keystone of a successful Dev-Ops strategy is the observability of our applications. This presentation explains the three pillars which make an application observable.