arayofcode_ product engineer · blueflag security
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Posts

all · 4 postgresql · 2 oauth2 · 1 authentication · 1 security · 1 keycloak · 1 mdnsresponder · 1 cloudflare-warp · 1 macos · 1 dns · 1 docker · 1 qemu · 1 multipass · 1 community · 1 public-speaking · 1 reflection · 1 concurrency · 1 scalability · 1 performance · 1 php · 1 system-design · 1 lessons-learned · 1
2025
01

Exploring the OAuth method in PostgreSQL 18

Practical guide to setting up the new OAUTH authentication method in PostgreSQL 18. Learn how to configure Keycloak as an identity provider for your database.

postgresql · oauth2 · authentication

oct 24
7 min
02

mDNSResponder and Cloudflare

Troubleshooting the 'third-party process is performing DNS resolution' error with Cloudflare WARP, often caused by mDNSResponder due to Docker, QEMU, or Multipass.

mdnsresponder · cloudflare-warp · macos

jun 14
2 min
2024
03

An Unexpected Invitation

Got pulled onto the panel at a Hyderabad PostgreSQL meetup with no warning, gave scattered answers, and left embarrassed enough to start preparing for a real talk.

community · postgresql · public-speaking

dec 19
1 min
04

Concurrency Limits and Performance

A PHP scanner kicked off unlimited background jobs to scan thousands of repositories, and it crashed the server within a couple of runs.

concurrency · scalability · performance

oct 5
4 min
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