C4 Booking Platform Container Diagram

C4 Container View for a Booking Platform

This C4 container diagram breaks a booking platform into the applications and services that do the work at runtime. Customer and administrator browsers use a web application, which calls the booking API. The API owns booking data and integrates with search, payment and email services. It is a useful middle-level view for a product team because it says more than a system context diagram without exposing classes, methods or infrastructure settings. The arrows show meaningful dependencies rather than network topology. Add a mobile app, cache, queue or identity provider when those are real containers or external services in the platform. Use a component diagram next to explain what is inside the booking API.

유형 블록 다이어그램표준 Ogata / standard controls textbook convention엔진 schematex-blockdiagram업데이트됨 2026. 9. 24.

요청 내용

“A C4 container diagram for a booking platform with customer and admin browsers using a web application, which calls a booking API. The booking API uses a booking database, search service, payment provider and email service.”

그렇다면Add a mobile app that calls the booking APIAdd a cache beside the booking database

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01Browser entry points

Separates customer and administrator access.

02Application boundary

Divides the web interface from the booking API.

03Container dependencies

Identifies storage and external services used by the API.

Use this container view to communicate the running applications and services in a booking platform.

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자주 묻는 질문

What is a C4 container?

A separately running application, data store or service within a software system.

Is a container always a Docker container?

No. In C4, container means a deployable or executable unit, including web apps and databases.

Why separate the web app and API?

They have different responsibilities and often different scaling, security and deployment concerns.