is there someone who has expirience in hosting django applications on ep.io?
Waht are the pros/cons on it?
I'm currently using ep.io, I'm still in development with my app but I have an app deployed and running.
When you use a service like this you go into it knowing that it isn't going to be the perfect solution for every case. Knowing the pros and cons before hand will help set your expectations so that you aren't disappointed later on.
ep.io is still very young and I believe still in beta, and isn't available to the general public. To be totally fair to them, it is still a work in progress and some of these pros and cons may change as they roll out new features. I will try and come back and update this post as the new versions become available, and my experience with the service continues.
So far I am really pleased with what they have, they took the most annoying part of developing an application and made it better. If you have a simple blog app, it should be a breeze to deploy it, and probably not cost that much to host.
Pros:
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Server Management: You don't have to worry about your server setup at all, it handles everything for you. With a VPS, you would need to worry about making sure the server is up to date with security patches, and all that fun stuff, with this, you don't worry about anything, they take care of all that for you.
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deployment: It makes deploying an app and having it up and running really quickly. deploying a new version of an app is a piece of cake, I just need to run one maybe two commands, and it handles everything for me.
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Pricing: you are only charged for what you use, so if you have a very low traffic website, it might not cost you anything at all.
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Scaling: They handle scaling and load balancing for you out of the box, no need for you to worry about that. You still need to write your application so that it can scale efficiently, but if you do, they will handle the rest.
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Background tasks: They have support for cronjobs as well as background workers using celery.
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Customer support: I had a few questions, sent them an email, and had an answer really fast, they have been great, so much better then I would have expected. If you run your own VPS, you really don't have anyone to talk to, so this is a major plus.
Cons:
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DB access: You don't have direct access to the database, you can get to the psql shell, but you can't connect an external client gui. This makes doing somethings a little more difficult or slow. But you can still use the django admin or fixtures to do a lot of things.
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Limited services available: It currently only supports Postgresql and redis, so if you want to use MySQL, memcached, mongodb,etc you are out of luck.
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low level c libs: You can't install any dependencies that you want, similar to google app engine, they have some of the common c libs installed already, and if you want something different that isn't already installed you will need to contact them to get it added. http://www.ep.io/docs/runtime/#python-libraries
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email: You can't send or recieve email, which means you will need to depend on a 3rd party for that, which is probably good practice anyway, but it just means more money.
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file system: You have a more limited file system available to you, and because of the distributed nature of the system you will need to be very careful when working from files. You can't (unless i missed it) connect to your account via (s)ftp to upload files, you will need to connect via the ep.io command line tool and either do an rsync or a push of a repo to get files up there.
Update: for more info see my blog post on my experiences with ep.io : http://kencochrane.net/blog/2011/04/my-experiences-with-epio/
Update: Epio closed down on May 31st 2012
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