Frigga Blogs

Picture a database going down for ninety seconds. Nothing dramatic, a failover, the kind of thing that should be invisible. Every pod in your deployment runs a liveness probe that opens a connection to that database and runs a trivial query. Every o…

Ask most teams to show you exactly how their production environment is configured, and the honest answer is that they cannot, because the only complete record of it is the running system itself. The real state lives in the cluster and in the…

There is one deploy your team cannot simply roll back, and it is the one that touches your database. Every other change has an undo: revert the code, redeploy the old version, and you are back where you started. A migration does not work lik…

Every change you ship might be wrong. That is not pessimism, it is the base rate of software, and the only real question is how many of your users find out at the same time. The most expensive way to answer that question is all of them a…

The question of whether a startup needs SRE comes up a lot in engineering conversations, usually framed as a choice between two competing approaches. It is not a choice. DevOps and SRE are not alternatives. DevOps is a cultural and operational philoso…

There is a version of this conversation that happens in almost every startup at a predictable moment. Production breaks in the middle of the night. The team scrambles to figure out who is responsible, who should be contacted, and what the recovery pro…