Drag to canvas · Hover node for × to delete · Draw from handle to connect
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Design your architecture
Drag components from the left panel · Connect them by drawing from a node handle · Hit Start Simulation to validate
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
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Design a photo-sharing platform that lets 500M users upload images, follow others, and see a personalized feed of photos from people they follow. Handle 2M photo uploads/day and serve feed reads at 50,000 RPS.