Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
Your Docker image is 1.2GB when it should be 120MB? Multi-stage builds eliminate build dependencies from your final image. The Problem – Single Stage Build: FROM node:18 WORKDIR /app COPY package*.json ./ RUN npm install # Installs 300MB of dev dependencies COPY . . RUN npm run build # Creates 10MB production build CMD [“node”, […]
Your pod crashes in 2 seconds, and logs vanish before you can read them? Here’s how to catch the output before Kubernetes deletes the container. The Problem: When a pod CrashLoops, the container exits so fast that ‘kubectl logs’ shows nothing useful or “container not found” errors. By the time you run the command, Kubernetes […]