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Dockerfile CMD Explained: Build-Time vs Runtime and How CMD Override Works

Dockerfile শেখার সময় FROM , RUN , WORKDIR , এবং COPY নিয়ে কাজ করার পর খুব স্বাভাবিকভাবেই একটি প্রশ্ন আসে: Container start হলে application automatically কীভাবে run করবে?

  • CMD instruction determines default runtime command for container
  • Executed during container start, not during build process
  • In example, Go server runs on port 8080 when launched

Oura’s Ring of Power: The Rise of the Exhaustion Economy

Oura’s exhaustion economy turns fatigue into data, selling consumers not better sleep, but permission to believe themselves.

  • Oura Ring company prepares $3 billion IPO, potential $16 billion valuation
  • Oura Ring monitors sleep, activity, and stress levels via three scores
  • Exhaustion economy converts health issues into individual defects, monetized

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