DevOps

Deployment, CI/CD, infrastructure, and production operations guides.

Fix Cloudflare R2 multipart upload InvalidPart errors in 2026. ETag gotchas, checksums, SDK settings, and a practical debug checklist.

A practical 2026 playbook to find and fix orphaned Postgres replication slots before pg_wal eats your disk and takes prod down.

Vercel Cron Jobs can fail with zero logs. Here are 6 real causes in 2026, plus fixes for redirects, caching, secrets, and WAF.

Fix Neon + Drizzle connection storms on Vercel in 2026: pick the right driver, pool correctly, and stop too many connections.

Inngest hitting 401/403 on Vercel? Deployment Protection is usually the cause. Here’s the bypass fix, plus safer options.

Fix Prisma advisory lock timeouts (10000ms) in CI/CD with deploy concurrency, direct DB URLs, and a Postgres runbook (2026).

Fix Expo EAS iOS PrivacyInfo.xcprivacy errors in 2026: duplicates, workflow drift, Apple emails, and the Xcode 16 build image trap.

Stop Vercel Cron endpoints firing on deploy or twice per schedule. A 2026 playbook for idempotency, headers, and safe guards.

Cursor can write Playwright tests fast. Here are the CI-only failure modes that make them flaky, plus fixes that stick (2026).

Getting ERROR: prepared statement "s0" already exists? Here is the fix for Prisma Migrate with PgBouncer pooling in 2026.

Fix Next.js Proxy redirect loops behind load balancers: forwarded headers, matchers, trailing slash wars, and the localhost redirect bug (2026).