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Uber hosts its own infrastructure, so does Google, so does Facebook. All three of those companies have no problems remaining focused on their business models without turning into a "datacenter company." I strongly dislike the notion that on-prem hosting is somehow a bad thing, or too cumbersome, or otherwise totally solved by cloud providers. AWS specifically is hugely convenient in a number of ways, but it doesn't c…
The trouble is when people build around Amazon, they get locked into a lot of those services. Sure you can run your own DBs instead of using RDS, but what if you start using their proprietary rubbish, like Knesis or DynamoDB? You have to rewrite application to use something else that's open source and self-hostable. For new startups, I honestly recommend using DigitalOcean or Vultur. You don't get all the AWS compone…
The trouble when people build things that have nothing to do with their core value propositions, they get locked into those services too. It is very easy for companies to get locked into their own homebrew garbage frameworks, clustering solutions, reporting & data analysis apps, or whatever else people hacked up because "omg vendor lockin!!".