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PostgreSQL Constraint Naming Convention: Which Pattern to Use, and How to Find the Names That Drifted

Disclosure: I build Schemity , a desktop ERD tool - this post is from our blog and uses it for the examples. TL;DR: Use the pattern PostgreSQL alrea…

postgresdatabasesqlwebdev
Dev.to Oct 19, 2026, 04:24 UTC
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🔎 Building IncidentCopilot: Designing a Deterministic Log Correlation Engine

Milestone 4 of IncidentCopilot — an open-source, local-first AI DevOps Incident Copilot 📌 Introduction Logs are plentiful during outages — the chall…

devopsfastapipostgresai
Dev.to Oct 18, 2026, 20:31 UTC
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why pg‑bouncer can still choke your service under burst load

problem statement in a typical microservice, each instance opens its own pg client pool. during a traffic spike the aggregate connection count can e…

postgresbackendperformancearchitecture
Dev.to Oct 18, 2026, 12:28 UTC
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Postgres Logical Replication: Slots, DDL, and Failover

At 2 a.m. on a Tuesday, a client's reporting replica silently stopped applying changes. The publisher kept accepting writes. The replica kept answer…

postgresdatabasedevopscloud
Dev.to Oct 17, 2026, 17:30 UTC
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I'm building an open-source platform for your database, API, auth and apps

I'm Duc. Since May 2025 I've been building Excalibase on nights and weekends, next to my day job. It started as a GraphQL engine for Postgres, becau…

postgresopensourcewebdevshowdev
Dev.to Oct 17, 2026, 16:30 UTC
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Wait, How Did Hackers Steal the Encryption Key Too?" 5 Supabase Security Traps I Fixed in Production

Introduction: The Headline That Made My Stomach Drop Almost every week, we see another headline about a major tech company or hot startup suffering…

supabasepostgressecuritywebdev
Dev.to Oct 17, 2026, 01:18 UTC
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Gate your app on a Postgres migration job with service_completed_successfully (and the DNS race that broke our deploy)

Originally published on the Hubfly blog . TL;DR What you get: a 3-service Compose file (Postgres, a one-shot migration job, an API) where the API ca…

dockerpostgresdevopstutorial
Dev.to Oct 16, 2026, 06:28 UTC
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Why Your Coding Agent Forgets Your Refactors (And How I Fixed It in PostgreSQL)

This is a submission for the MLH x DEV Writing Challenge What I Built Here is a bug that drove me crazy for three days straight. You ask an autonomo…

mlhacksdevchallengepostgresai
Dev.to Oct 15, 2026, 08:22 UTC
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Why Your Connection Pool is Lying to You

We hit a wall last month. Traffic was stable, CPU was idle, but p99 latency spiked to 2s. The PostgreSQL server looked healthy. The culprit wasn't t…

postgresnodebackendarchitecture
Dev.to Oct 15, 2026, 03:24 UTC
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I built a Supabase-style query client that talks directly to Postgres

I like the Supabase JS client. .from('todos').select('id, task').eq('done', false) reads like what I mean, and { data, error } means I'm not wrappin…

postgresnodetypescriptopensource
Dev.to Oct 14, 2026, 20:25 UTC
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Similarity search and a time range, in one Postgres hypertable

Operator notes are time-series data. Each one has a timestamp, a site, a temperature, and a sentence about what happened. Searching them by meaning…

postgrespgvectoraidatabase
Dev.to Oct 14, 2026, 17:14 UTC
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Idempotency keys done right: exactly-once effects over at-least-once networks

Why "just retry" creates duplicate payments, and a PostgreSQL-backed design for idempotency keys that survives double clicks, timeouts, crashes and…

apibackenddistributedsystemspostgres
Dev.to Oct 14, 2026, 04:19 UTC
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Postgres Retrieval Architecture: Multi-Tenant SaaS Help Center Schema Design

Short answer: use a staged retrieval design with explicit collections, bounded queries, and traceable source context, then make index cost a schema…

ragpostgresarchitecture
Dev.to Oct 14, 2026, 00:19 UTC
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Do Cardano's governance vote rationales still resolve? Measuring it with db-sync and a blake2b-256 check

Under CIP-1694, a Cardano governance vote can carry an anchor : a URL to a document that explains the vote, plus a blake2b-256 hash of that document…

cardanoblockchainpostgresdatascience
Dev.to Oct 13, 2026, 23:19 UTC
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PostgreSQL Token Cleanup for REST APIs

Verification tokens are usually designed as if the only important event is a successful click. In a real REST API, the harder work happens around th…

backendrestapipostgresauthentication
Dev.to Oct 13, 2026, 14:22 UTC
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Our widening setting is on by default, and the only way to store that is to store nothing

A Nakodo campaign can run out. Every keyword it was given has been searched, the new angles it generated have had their turn, and the brand still wa…

typescriptpostgresnodewebdev
Dev.to Oct 12, 2026, 10:21 UTC
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The same website 5 metres apart is one pub, and the same name 430 metres apart needs a street number

Nakodo's business campaigns write to businesses that might buy a brand's product: cafes, gyms, salons, shops. Those businesses come from Overture Ma…

typescriptpostgresnodewebdev
Dev.to Oct 12, 2026, 10:20 UTC
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Our build command migrates the database before it compiles a single page, and five of the fourteen migrations look empty

This is the whole deploy pipeline for PubTrivia's Next.js half: "build" : "drizzle-kit migrate && next build" A hosted build runs that. So t…

postgrestypescriptwebdevdatabase
Dev.to Oct 12, 2026, 10:19 UTC
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Verifying PostgreSQL Backups Using pg_verifybackup

Pg_verifybackup was introduced in PostgreSQL 13 and is used to check the integrity of a base backup taken using Pg_basebackup against the backup_man…

postgresbackupdatabaseai
Dev.to Oct 10, 2026, 10:27 UTC
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Node.js Email Verification Needs Atomic Tokens

Email verification looks like a small feature: create a token, send a message, and accept the token when the user clicks it. In a real Node.js servi…

backendrestapipostgresauthentication
Dev.to Oct 10, 2026, 02:22 UTC
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You Gave Your SECURITY DEFINER Function a Dedicated Owner Role. It Broke. Here's Why.

The least-privilege pattern for Supabase RPCs is well documented: don't let postgres own your SECURITY DEFINER function — create a dedicated NOLOGIN…

supabasepostgressecuritybackend
Dev.to Oct 9, 2026, 17:27 UTC
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One memory across AI agents: what it actually takes

The memory built into a coding agent lives inside that vendor's tools. What I tell one agent stays with that agent, and the next one I open in the s…

aimcppostgresclaude
Dev.to Oct 9, 2026, 07:21 UTC
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REST API Verification Needs an Email Lease

Email verification looks like a simple two-request flow: create an account, send a message, then accept a token. In a production REST API, it is clo…

backendrestapipostgresauthentication
Dev.to Oct 9, 2026, 02:24 UTC
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Node.js Checkout Failure Alerts (Polling Postgres Metrics With Cost Attribution)

For a Node.js checkout worker, a failure count alert should come from Postgres metrics that preserve who incurred each API error and what the attemp…

nodepostgresobservability
Dev.to Oct 8, 2026, 23:13 UTC
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When crt.sh's website is down, query its public database instead

I maintain a small tool that searches Certificate Transparency logs for new certificates on a domain. It reads crt.sh's JSON output, and it already…

postgresnodesecurityjavascript
Dev.to Oct 8, 2026, 18:20 UTC
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Documedic Adds CDSS Comparison Page for Clinical Decision Support Evaluation

The Problem: Evaluating Clinical Decision Support Systems Without Bias Clinicians and informatics teams evaluating clinical decision support (CDSS)…

fastapireactpostgrescdss
Dev.to Oct 8, 2026, 16:28 UTC
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Your multi-tenant SaaS needs a test that tries to leak data

Most multi-tenant SaaS products keep customers apart with one line of code repeated a few hundred times: const invoice = await db . invoice . findFi…

saassecuritypostgrestesting
Dev.to Oct 8, 2026, 11:28 UTC
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The full pg_duckdb extension on Azure Database for PostgreSQL

In my previous post, Amazon Aurora's analytics being DuckDB — a side-by-side comparison with pg_duckdb , I examined Aurora Analytics in detail along…

postgresduckdbazuredatalake
Dev.to Oct 8, 2026, 11:26 UTC
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Zero-Downtime PostgreSQL Upgrade: RDS Blue/Green from version 13 to version 18

PostgreSQL has been the most popular open source database since 2020 and matured over decades. Many organization have already started migrating thei…

postgresawsdatabase
Dev.to Oct 7, 2026, 11:25 UTC
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Reading a lending protocol's whole loan book straight from Cardano's ledger

We wanted one number: how far does ADA have to fall before a real share of Indigo's loans gets liquidated? Indigo is a Cardano protocol where you lo…

cardanoblockchainpostgrespython
Dev.to Oct 6, 2026, 21:19 UTC

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