The Dutch government is consolidating its national datacenters, reducing from 60+ to four locations. Initial focused on co-location ODC-Noord also wanted to offer hosting services and started to lay down the foundations for the Dutch government cloud (rijkscloud). With the help of the other ODC locations we aim to implement a multi-region cloud. In this presentation I will give a short introduction of ODC-Noord and its implementation of the Dutch government cloud, who currently used it for production and current size. The second part of the presentation will be about the role of open source in the implementation of the Dutch government cloud, not only as consumer but also our knowledge sharing goals, sharing our implementation across government ministries and our plans for contributing back to various communities and open source. In the last part I will cover our software stack, our architecture and how the components interact with each other. I will also talk about some cloud tenants who primarily run open source software but also some cloud tenants who primarily run proprietary enterprise software and use old enterprise architectures.