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# backend

Desenvolvimento do lado do servidor, APIs, bancos de dados e logica de negocios.

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Why DSO Integration Problems Surface as Delayed Decisions, Not System Failures

Why DSO Integration Problems Surface as Delayed Decisions, Not System Failures

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4 min read
HazelJS Core Architecture: What We Built Differently

HazelJS Core Architecture: What We Built Differently

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7 min read
DevOps Isn’t a Toolchain, It’s a Feedback Loop

DevOps Isn’t a Toolchain, It’s a Feedback Loop

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1 min read
The Hidden Cost of Backend Boilerplate (And How to Eliminate It)

The Hidden Cost of Backend Boilerplate (And How to Eliminate It)

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4 min read
Load and Map Environment Variables in Rust with dotenvy, serde, and envy

Load and Map Environment Variables in Rust with dotenvy, serde, and envy

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2 min read
How to Pass Context to Pydantic Validators

How to Pass Context to Pydantic Validators

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5 min read
LINE Bot Developer Guide: Important Notes for Receiving Requests via Webhook URL

LINE Bot Developer Guide: Important Notes for Receiving Requests via Webhook URL

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10 min read
I Added a Cache and the System Got Slower: The Hidden Cost of Caching

I Added a Cache and the System Got Slower: The Hidden Cost of Caching

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3 min read
What Backend Developers Should Know About Passkeys (WWDC22)

What Backend Developers Should Know About Passkeys (WWDC22)

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4 min read
[Golang] Fixing "undefined: sql.NullTime" Errors with go-pg on Heroku

[Golang] Fixing "undefined: sql.NullTime" Errors with go-pg on Heroku

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2 min read
[Golang] Research and Implementation: Replacing a PTT Data Crawler with the Firecrawl API

[Golang] Research and Implementation: Replacing a PTT Data Crawler with the Firecrawl API

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6 min read
Transactional Integrity in Distributed Financial Ledger Systems: Architecture, Invariants, and Failure Models

Transactional Integrity in Distributed Financial Ledger Systems: Architecture, Invariants, and Failure Models

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5 min read
What Happens When One Parallel Call Fails? Structured Concurrency in Scala

What Happens When One Parallel Call Fails? Structured Concurrency in Scala

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3 min read
Database Design Best Practice: Store Categorical Data as IDs, Not Strings

Database Design Best Practice: Store Categorical Data as IDs, Not Strings

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2 min read
Marten vs Chi: Not All Go Web Frameworks Are Created Equal

Marten vs Chi: Not All Go Web Frameworks Are Created Equal

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5 min read
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