Let's Encrypt will transition to 64-day certificate lifetimes by default on February 10, 2027, with staging environment testing beginning October 14, 2026. Organizations should update renewal processes to trigger at approximately two-thirds of certificate lifetime and prepare for further reductions to 45 days in 2028, while authorization reuse periods will decrease from 30 days to 10 days.
A developer uses Dokku with a wildcard DNS record to quickly deploy temporary applications without the overhead of setting up new domains and certificates. By pointing *.apps.foo.tools to the Dokku server, they can spin up and destroy minimal apps in seconds, with examples showing a Node.js hello world and a Bun-based SQLite hit counter that persists data via mounted storage.