DDayoinjdayo.hashnode.dev·Jun 22 · 6 min readBuilding a Custom PaaS (Part 1)There is a certain comfort in pushing code to a managed platform like Heroku or Vercel. You run a command, a deployment process kicks off, and a few minutes later, your application is live on a secure00
DDayoinjdayo.hashnode.dev·Mar 14 · 3 min readSecured My Server So Well, I Locked Myself Out (Fixing SSH 'Connection Refused')You know that feeling when you just finish securing your Linux server? You've set up SSH keys, disabled password logins, and set up ufw firewall rules. I even took it a step further: I permanently clo00
DDayoinjdayo.hashnode.dev·Apr 23, 2025 · 5 min readThe Outbox Pattern: Making Sure Your Order Doesn’t Get Lost in the ChaosImagine you’re starving, so you order a pizza through your favorite food delivery app. The app confirms your order and everything looks good. But then, the restaurant never gets the message to start making your pizza. Why? The app’s notification syst...10