Database / BetterDB Interview questions

What is the default port for the BetterDB Monitor dashboard?

The web UI listens on port 3001 by default, controlled by the PORT environment variable, and it's the same port you map with -p 3001:3001 in the quick-start Docker command or forward with kubectl port-forward on Kubernetes.

In local development the frontend's Vite dev server runs separately on port 5173 while the API stays on 3001, since the two are built and served independently until a production build combines them behind one Fastify server.

One subtlety worth remembering: production builds (Docker, CLI) serve API routes under an /api prefix, such as /api/health, while local development (pnpm dev) has no prefix at all, so a request that works against a dev server can 404 against a production build if you forget the prefix.

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What's the default value of the PORT environment variable? 8080

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5173

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6379

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3001

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In local development, on what port does the Vite frontend run? 3000

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3001

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5173

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4000

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What are the connection settings in BetterDB for Valkey? List the ways you can access data in BetterDB Monitor? How do you install BetterDB Monitor without Docker? What are the key browser features in BetterDB for Valkey? What is the purpose of BetterDB Monitor's Prometheus endpoint? What is the ENCRYPTION_KEY variable used for in BetterDB Monitor? What are the two Docker image variants for BetterDB Monitor? How do you run BetterDB Monitor with a single Docker command? Define COMMANDLOG support in BetterDB Monitor? What is the default port for the BetterDB Monitor dashboard? How can you optimize Prometheus scraping for a clustered BetterDB Monitor deployment? Describe the tech stack behind BetterDB Monitor? What is host.docker.internal used for with BetterDB Monitor? Which data types support full CRUD in BetterDB for Valkey? What is BetterDB Monitor? What is BetterDB for Valkey? What is the purpose of the BetterDB MCP server? What are the storage backends supported by BetterDB Monitor? What is the minimum Valkey version BetterDB Monitor supports? Why does BetterDB Monitor need PostgreSQL for production deployments?

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