Wireguard and NextCloud on a Raspberry Pi = Marvelous (Docker, IOTstack)

Synchronizing, saving, and sharing data, emails, and contacts under our control based on open-source software? Securely accessing our home network from everywhere in the world based on the most modern Virtual private Network technology? With just a Raspberry Pi? Yes, we want it! Today we will install NextCloud and Wireguard on our Raspberry Pi and make it work together. You will save a lot of time using the tricks presented in the next few minutes. And we will use IOTstack. I am a proud Patreon of @GreatS