Selfhosted
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But that's possible with a vm too. Or am I missing something here?
If you update your OS, it could happen that a changed dependency breaks your app. This wouldn't happen with docker, as every dependency is shipped with the application in the container.
Ah okay. So it's like an escape from dependancy-hell... Thanks.
Apart from the dependency stuff, what you need to migrate when you use docker-compose is just a text file and the volumes that hold the data. No full VMs that contain entire systems because all that stuff is just recreated automatically in seconds on the new machine.
Ok, that does save a lot of overhead and space. Does it impact performance compared to a vm?