Field notes from production Firebase work.
August 11, 2026
"Should we migrate off Firebase?" is usually the wrong question. The signals that one workload has outgrown the platform — and the Auth and data seams that keep the hybrid clean.
Read moreJuly 15, 2026
Gen 2 changes concurrency, timeouts, config, and event delivery — not just the SDK import. What actually changes, the traps, and a cutover order that avoids double-execution.
Read moreJune 9, 2026
Two apps with the same users can differ 50x in Firestore spend. The difference is a short list of read and write amplification patterns — here they are, with fixes.
Read moreMay 12, 2026
Inequality-filter limits, composite indexes that vanish in new environments, array and map index fan-out, hot-document contention, and cursor pagination done right.
Read moreApril 14, 2026
Security rules are the highest-consequence, least-tested code in most Firebase apps. A practical emulator test harness — and the denial tests that matter more than the grants.
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