AlgoEspresso

Online Code Judging Platform like LeetCode, HackerRank, CodeSignal, etc. Main Features:

• User can create an account and login
• User can browse problems
• User can submit code
• User can see the result of the code submission
• User can see the history of the code submission

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• Super User can add problems

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• Admin can see the list of users
• Admin can promote a user to Super User

System Design

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Tech Stack

• Frontend: React, Next.js, Clerk, Tailwind CSS, Shadcn UI.
• Backend: Go, Clerk SDK, Swagger.
• Code Execution: Docker, Go, Python, Java, C++, Node.js.
• Cache: Redis.
• Database: MongoDB.
• Messaging Queue: RabbitMQ for task distribution between workers.
• Workers: Go-based isolated code execution using Docker.
• Infrastructure: Kubernetes, Prometheus, Grafana.