Database / BetterDB Interview questions

List the ways you can access data in BetterDB Monitor?

BetterDB's own philosophy is that everything shown in the UI is also reachable another way, so the same underlying data is available through five distinct interfaces depending on what's consuming it.

Interface	Details
Web UI	http://localhost:3001
MCP server	npx @betterdb/mcp (stdio); token from Settings → MCP Tokens
Prometheus	http://localhost:3001/api/prometheus/metrics
REST API (OpenAPI)	http://localhost:3001/docs
Health check	http://localhost:3001/api/health

A person clicks through the Web UI, an AI assistant talks to the MCP server, a monitoring stack scrapes Prometheus, a script or another service calls the REST API directly, and an orchestrator like Kubernetes polls the health check – five different consumers of the same data, each using the interface that fits it.

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Which interface exposes an OpenAPI-documented REST API? The Prometheus endpoint

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/api/health

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The MCP server only

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The /docs endpoint

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Which protocol does the BetterDB MCP server communicate over? stdio

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Raw TCP sockets

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gRPC

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SOAP

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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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