A Deploy Script Was Silently Rolling Back Our Let's Encrypt Renewals
An unconditional S3 snapshot restore on every deploy rolled back Let's Encrypt renewals until an expired certificate wedged CertMagic at boot.
Development#caddy#lets-encrypt#devops
Immutable release bundles and SSM deploys on EC2 without a container orchestrator
Running a production backend on EC2 without Kubernetes: the immutable-release and coherent-backup model I put in to make deploys reversible and restores internally consistent.
Development#aws#ec2#ssm