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Why you shouldn't run multiple apps on the same server

I’m writing about deploying Rails from a sysadmin perspective, here is why putting everything on the same server is a bad idea: Read more

Comments

Really a post from last 10 years, these days all these issues in the post can be addresses easily and not be any concern for example:

  1. The Redis example, each Rails application can use namespace in Redis so it’s a none issue.
  2. Docker solves this by separation using kernel features.
  3. Docker solves this by showing you info per container and if you don’t know what resources application need that’s another issue.
  4. Docker solves this since applications are separated.
  5. Docker solves this since applications are separated.

Thanks for the Redis namespace idea, I didn’t know that.

I’ll write some more on Docker later!

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