In france you have OVH - the invest heavily in solar energy and build datacenters with low energy consumption in mind. That might be a better choice (not working for them).
> the only problem we found is the integration with our own authorization system
But integration with external authorization systems is an extremely basic requirement for every piece of software, certainly on the top 5 on the requirements list for every serious solution - I can not understand how did you forget about this?
The concept of nationalism has brought more pain than joy to millions of humans on this planet. Seems to be better for global peace to forget it and train your mind to not think in these political categories of "nations".
https://gizmodo.com/amazon-is-aggressively-pursuing-big-oil-...
In france you have OVH - the invest heavily in solar energy and build datacenters with low energy consumption in mind. That might be a better choice (not working for them).