Live delivery
AllLive delivery
Rotate a database password with zero downtime in Node
Changing a database password first breaks new connections. A tested two-role pattern with a live pool swap shows 0 failed queries, against 46 for the naive order.
Update environment variables without restarting your Node app
You can't change process.env from outside a running process. Four ways to get new values in without a redeploy, and a tested demo that swaps a database pool live.