(01)
Database backups that actually restore — testing 3-2-1 in practice
Most database backups exist but have never been tested. A scary fraction won't actually restore when the database burns down. The 3-2-1 strategy plus quarterly restore drills is the minimum for any production database.
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(02)
Edge databases — when ready for production
Turso, Cloudflare D1, Neon edge — read replicas in 200+ locations. Beautiful demos, real-world pitfalls.
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(03)
SQLite in production — the renaissance
For years SQLite was "just a dev database". Litestream, Turso and rqlite changed that. Real production stories.
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(04)
Postgres is enough for 99% of projects
You probably don't need MongoDB, ClickHouse or DynamoDB. Postgres handles JSON, full-text search, time series and queues fine.
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