C4 modelArchitectureContainers

Internet Banking C4 Container Diagram

A C4 container diagram for an internet banking system: customer, web app, SPA, mobile app, API, database, mainframe and email.

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A classic C4 container diagram: a personal-banking customer interacts with a web application and single-page app (and a mobile app), which call an API application backed by a database. The API integrates with an external mainframe banking system and an email system.

Each container shows its technology and role, and external systems are marked. Ridvay generates C4 context and container diagrams from a description — the level of structure that image generators simply cannot produce — and keeps them fully editable and exportable.

Generated with Ridvay from this prompt

“C4 container diagram for an internet banking system: a customer using a web app, SPA and mobile app that call an API application with a database, integrating with an external mainframe and email system.”

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The full authorization-code login flow between a user, SPA, auth server, user database and resource API.

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