The present paper sets out the problem of designing a horizontal scaling architecture for a web-based interactive online whiteboard service. The development employs contemporary approaches and technologies, including the microservice model, the Spring Boot Framework, WebSocket, RabbitMQ, Redis, Docker, Nginx and MongoDB. The objective of the paper is to create a scalable and fault-tolerant solution. The study methodically evaluates the merits and drawbacks of the chosen technologies, and their collective impact on the web service's performance and reliability. The results obtained can be useful for the development of similar systems that require a high degree of automation and scalability.
microservices, RabbitMQ, REST API, Docker, load balancing, horizontal scaling
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