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10 incidents · real Linux environments · no local setup
Go API runs fine locally but kills itself in Docker right after startup. Find out why and fix it.
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10 incidentsGo API runs fine locally but kills itself in Docker right after startup. Find out why and fix it.
The department manager asked a junior developer to write a simple weather service. However, the developer was unable to launch the service. Your task is to help him launch it.
The server is running, but all requests disappear - nothing responds and logs seem quiet.
Application fails silently after deployment.
Deployed HTTP service is incorrectly implemented: if it goes down during request handling, clients receive 500 errors. Needs to be fixed.
A junior administrator made some changes to the system. Write operations have become very slow. Why?
A service is running on the system and continuously writing data to a log file.
Domain-based HTTP requests fail on the host, while IP-based access works. Determine why name resolution behaves inconsistently across tools.
Your service keeps ignoring the local config file, producing wrong values at runtime. Can you trace what it’s really reading and make it obey the intended configuration?
The backup system is broken. The infrastructure is in a dangerous situation. It needs to be fixed urgently! 🔥🔥🔥
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