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$ whoami
lena --infra
Lena Park
Backend and infrastructureLena runs the servers, databases and deploy pipelines behind our test projects. She has shipped production Postgres for ten years and still reads the pricing page first.
14
Posts published
6
Tools reviewed
3
Guides written
2023
Joined Sudo Review
Published by Lena
Latest posts
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Blog
Stack
9 min read
A lean dev stack for under $20 a month
Hosting, database, monitoring and email we would run in production.
Sep 10, 2026
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Guide
Postgres
12 min read
Preview databases per pull request with Neon
Branch a database for every PR and tear it down on merge.
Aug 30, 2026
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Blog
Opinion
7 min read
Why our engineering docs left Notion
Flexibility was the problem. What we use now and what we miss.
Aug 24, 2026
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Review
Backend
16 min video
Supabase review: Postgres with batteries included
Auth is the standout; edge functions less so.
Aug 14, 2026
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Guide
Security
35 min
Row-level security in Supabase, done right
Policies, tests and the mistakes that leak data.
Jul 20, 2026
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Blog
Deep dive
10 min read
Benchmarking terminals the boring way
Input latency, scrollback and memory, measured on the same machine.
Jun 16, 2026