Gateways 2020 is scheduled from October 12 to October 23, with the tutorial and workshop track during the first week and the main conference track during the second week. This fifth Gateways annual conference is an opportunity for gateway creators and enthusiasts to learn, share, connect, and shape the future of gateways, while supporting and growing our community. Register for the conference by October 5.
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There is a growing need for next-generation science gateways to increase the accessibility of data sets and cloud computing resources using latest technologies. Most science gateways today are built for specific purposes with pre-defined workflows, user interfaces, and fixed computing resources. There is a need to modernize them with middleware that can provide `plug in' support to programmatically increase their extensibility and scalability to meet users' growing needs. In this paper, we propose a novel middleware that can be integrated into science gateways using a ``bring-your-own'' plug-in management approach. This approach features microservice architectures to decouple applications, and allows users to customize and incorporate domain-specific components to an existing science gateway. We detail the application programming interfaces in our middleware for creation of end-to-end pipelines with diverse infrastructure, customized processes, detailed monitoring and flexible programmability for a scientific domain. We also demonstrate via a OnTimeRecommend case study on how our ``bring-your-own'' approach can be seamlessly integrated by a science gateway administrator/developer using a web application.
