Libme

I ship side projects with SaaS and AI dev tools, then write up what actually held: honest comparisons, pricing math, and the failure modes the docs skip.

Joined on Aug 4, 2026 https://diveinkr.com

Pinned

Libme

Aug 9

Postgres Full-Text Search in Production: How to Load-Test the Index and Pin Down Relevance

#postgres #database #performance #testing

6 min read

Libme

Aug 9

Webhook Reliability 101: Retries, Idempotency, and the Bugs That Bite at 2 A.M.

#api #backend #node #architecture

6 min read

Libme

Nov 9

Postgres Full-Text Search vs Meilisearch vs Typesense: Do You Need a Search Service for a Small App?

#postgres #database #tooling #architecture

5 min read

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Libme

Nov 8

GitHub Actions "Resource not accessible by integration": Fix It With the Smallest GITHUB_TOKEN Permission

#github #cicd #devops #security

6 min read

Libme

Nov 7

Vercel vs Netlify vs Cloudflare Pages: Which Meter Will Your Frontend Hosting Bill Actually Grow On?

#webdev #cloud #nextjs #saas

6 min read

Libme

Nov 6

LLM Returns Invalid JSON Once in a While: Structured Outputs vs Validate-and-Retry

#ai #llm #python #tutorial

5 min read

Libme

Nov 5

Docker Build Secrets: Why ARG and COPY Leak Tokens Into Image History, and the BuildKit Fix

#docker #security #devops #tutorial

6 min read

Libme

Nov 4

ENOSPC: System Limit for Number of File Watchers Reached — Raise the Limit, Shrink the Watch, or Poll?

#node #devops #webdev #tutorial

6 min read

Libme

Nov 3

Docker Desktop Alternatives on Mac: OrbStack vs Colima vs Podman Desktop

#docker #devops #tooling #productivity

6 min read

Libme

Nov 2

pip "externally-managed-environment" Error: venv, pipx, or uv?

#python #tutorial #tooling #devops

6 min read

Libme

Nov 1

pip "externally-managed-environment" Error: venv, pipx, or uv?

#python #tutorial #tooling #devops

6 min read

Libme

Oct 31

Git Hooks Not Running for Teammates? Husky vs Lefthook vs pre-commit

#tooling #productivity #devops #cicd

5 min read

Libme

Oct 30

GitHub Actions Cache Never Hits on Pull Requests: Branch Scope, Immutable Keys, and restore-keys

#github #cicd #devops #tutorial

6 min read

Libme

Oct 29

Docker Compose depends_on Doesn't Wait for the Database: Fix "Connection Refused" on Startup

#docker #postgres #devops #tutorial

5 min read

Libme

Oct 28

httpx.PoolTimeout: Why Your Async Python Client Runs Out of Connections (and How to Fix It)

#python #programming #backend #tutorial

5 min read

Libme

Oct 27

Git "detected dubious ownership in repository": Fix It in Docker and CI Without Trusting Everything

#github #docker #devops #cicd

5 min read

Libme

Oct 26

Is Paying for Bigger CI Runners Worth It? Break-Even Math Against Caching and Test Sharding

#cicd #github #devops #productivity

6 min read

Libme

Oct 25

Redis vs Valkey vs Dragonfly: Which In-Memory Store Should a New Project Use After the License Changes?

#database #backend #devops #opensource

6 min read

Libme

Oct 24

FastAPI Latency Spikes Under Load: How One Blocking Call in an async Endpoint Stalls Every Request

#python #backend #performance #api

6 min read

Libme

Oct 23

GitHub Push Rejected: "File Exceeds 100 MB" (GH001) — Fix It With filter-repo or LFS

#github #tutorial #tooling #softwareengineering

6 min read

Libme

Oct 22

Sentry vs GlitchTip vs Self-Hosted Sentry: Error Tracking for a Small Team When the Event Quota Keeps Running Out

#devops #saas #opensource #tooling

5 min read

Libme

Oct 20

Docker "toomanyrequests: You have reached your pull rate limit" in CI: Log In, Mirror, or Run a Pull-Through Cache?

#docker #cicd #devops #tooling

6 min read

Libme

Oct 19

ERR_REQUIRE_ESM in Node: Fix CommonJS/ESM Conflicts and Pick tsx, ts-node or tsup

#node #typescript #javascript #tooling

5 min read

Libme

Oct 18

Node.js "fetch failed" with ETIMEDOUT or ENETUNREACH While curl Works: The Broken IPv6 Route

#node #devops #docker #backend

5 min read

Libme

Oct 17

ngrok vs Cloudflare Tunnel vs Tailscale Funnel: Which One for Testing Webhooks on Localhost?

#api #devops #tooling #tutorial

5 min read

Libme

Oct 16

Postgres "deadlock detected": Fix the Lock Order First, Then Add a Retry

#postgres #database #sql #backend

6 min read

Libme

Oct 15

Postgres "could not resize shared memory segment: No space left on device" in Docker: Why It Happens and How to Fix It

#postgres #docker #database #devops

5 min read

Libme

Oct 14

npm ci Says package.json and package-lock.json Are Not in Sync: Causes, Fixes, and How pnpm and Yarn Compare

#node #javascript #cicd #tooling

5 min read

Libme

Oct 13

Intermittent 502s and "read ECONNRESET" Behind a Load Balancer: The Keep-Alive Timeout Mismatch

#devops #node #backend #webdev

6 min read

Libme

Oct 12

Scale-to-Zero vs Provisioned Managed Postgres: Which Pricing Model Fits Your Traffic?

#postgres #database #cloud #saas

6 min read

Libme

Oct 11

CI Secrets Are Empty in Fork Pull Requests: The Safe Patterns That Actually Work

#github #cicd #security #devops

7 min read

Libme

Oct 11

TLS Fails Only Inside the Container: Fixing "certificate signed by unknown authority"

#docker #security #devops #backend

7 min read

Libme

Oct 9

Caddy vs Nginx vs Traefik: Which Reverse Proxy for One Small App on One Server?

#devops #docker #tooling #architecture

7 min read

Libme

Oct 8

Your Metrics Bill Is a Cardinality Bill: How to Price Prometheus, Grafana Cloud, and Datadog

#devops #performance #cloud #architecture

7 min read

Libme

Oct 7

JWTs Fail Validation for Some Requests but Not Others: Clock Skew, `nbf`, and How Much Leeway Is Safe

#security #api #backend #devops

7 min read

Libme

Oct 6

DNS Lookups Randomly Take 5 Seconds in Containers: Fixing ndots and Search-Domain Fanout

#kubernetes #docker #devops #performance

6 min read

Libme

Oct 5

Postgres Let Two Rows Through a Unique Index: The glibc Collation Trap After an OS Upgrade

#postgres #database #devops #sql

8 min read

Libme

Oct 4

Terraform vs OpenTofu vs Pulumi: Which One Should a Small Team Actually Commit To?

#devops #cloud #tooling #opensource

6 min read

Libme

Oct 4

Your LLM Bill Jumped After You Added Context: Find the Cache Miss Before You Downgrade the Model

#ai #llm #api #performance

6 min read

Libme

Oct 2

Postgres Multi-Tenancy: Row-Level Security, tenant_id Filters, or a Schema per Tenant?

#postgres #database #security #architecture

7 min read

Libme

Oct 1

Users Randomly Logged Out? Your Redis Eviction Policy Is Deleting Sessions

#database #backend #devops #performance

6 min read

Libme

Sep 30

Plausible vs Umami vs PostHog: When Self-Hosting Analytics Stops Being Cheaper

#webdev #privacy #opensource #saas

7 min read

Libme

Sep 30

Scrubbing Test Data Without Nulling It Out: The Reserved Ranges That Are Safe to Seed

#postgres #database #testing #privacy

7 min read

Libme

Sep 29

CORS Errors Only in Production: Preflight, Credentials, and the Cache That Hides Your Fix

#webdev #api #backend #security

7 min read

Libme

Sep 28

Docker Image Works on Your Mac but Fails on the Server: Fixing exec format error for Good

#docker #devops #cicd #tooling

7 min read

Libme

Sep 27

Preview Environments Per Pull Request: How to Seed Them Without Cloning Production

#devops #cicd #postgres #testing

8 min read

Libme

Sep 26

Why Page 500 Is Slow and Shows Duplicate Rows: Offset vs Keyset Pagination

#postgres #database #api #performance

7 min read

Libme

Sep 25

PgBouncer vs Supavisor vs RDS Proxy: Which Postgres Pooler Survives Transaction Mode?

#postgres #database #devops #backend

7 min read

Libme

Sep 24

Uptime Monitor Says 100% While Users See Errors: What to Check, and When Paid Monitoring Is Worth It

#devops #backend #saas #cloud

7 min read

Libme

Sep 23

WebSocket Closes Every 60 Seconds With Code 1006: Finding the Proxy Idle Timeout and Fixing It With Heartbeats

#webdev #node #backend #devops

7 min read

Libme

Sep 19

Dependabot vs Renovate: Which One Stops the Monday Morning PR Flood?

#github #devops #cicd #automation

7 min read

Libme

Sep 18

HTTP Request Hangs Forever in Production: Where Timeouts Actually Live in Node, Python, and Go

#node #python #backend #api

7 min read

Libme

Sep 17

hot_standby_feedback for a Reporting Replica: Query Cancellations or Primary Bloat?

#postgres #database #devops #sql

6 min read

Libme

Sep 13

Webhook Signature Verification Fails: Your Framework Already Parsed the Body

#node #api #backend #security

7 min read

Libme

Sep 13

Playwright vs Cypress When Your E2E Tests Pass Locally but Fail in CI

#testing #cicd #javascript #webdev

7 min read

Libme

Sep 11

Your Nightly Job Ran Twice on the DST Switch: Making Scheduled Jobs Timezone-Safe

#devops #python #backend #automation

7 min read

Libme

Sep 8

Postgres Autovacuum Isn't Keeping Up: Diagnosing Bloat, Long Transactions, and Wraparound Warnings

#postgres #database #sql #performance

6 min read

Libme

Sep 7

UUIDv7 vs ULID vs bigint: Which Primary Key Holds Up When the Table Gets Big?

#postgres #database #performance #architecture

7 min read

Libme

Sep 6

curl Returns 200 but Your HTTP Client Gets a 404: Debugging Vary and CDN Cache Variants

#performance #api #devops #webdev

6 min read

Libme

Sep 4

Your Logging Bill Is a Volume Problem: Model the Cost Before You Switch Vendors

#devops #cloud #saas #softwareengineering

7 min read

Libme

Sep 2

Every Deploy Throws a Few 502s: Where Graceful Shutdown Actually Breaks

#devops #kubernetes #node #docker

7 min read

Libme

Sep 2

Postgres as a Job Queue vs Redis vs SQS: When Does "Just Use Your Database" Stop Working?

#postgres #database #backend #architecture

6 min read

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