Preflight before you touch production

good deploy

Migrations pending, disk headroom, error rate, on-call awake. Then deploy.

mode

bash · good deploy · difficulty 2

df -h /var/lib/postgresql | tail -n 1

oncall@ops-01:~$systemctl is-active api.service nginx.service

oncall@ops-01:~$curl -fsS -o /dev/null -w '%{http_code}\n' https://api.example.com/healthz

Enter submits a line · Tab then Enter restarts · Esc releases focus

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