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From Vishesh Mittal <>
Subject Re: Create many couchdb instances on demand?
Date Tue, 13 Oct 2015 16:39:48 GMT
Hi Ying

As far as I can tell, you would have to put in a significant amount of work
on your custom authentication either way (since the "app users" would have
much more restricted access controls than "platform users"), whether or not
you use the _users db for "app users". Technically, you can make it work
either way.

If I were you, I would absolutely refrain from having multiple couchdb
instances. That just seems like too much maintenance overhead. I would keep
the "platform users" in the _users db. And I would create a custom logic
for "app users" and contain them in the application's database.

Hope this helps.

On Fri, Oct 9, 2015 at 10:36 PM, Ying Bian <> wrote:

> Hi all,
> I’m building a platform where users (platform users) can create their own
> customize “app”s.
> In my original architecture I was thinking to assign each “app” a
> dedicated database in a
> shared couchdb instance. With that app database, the app owner can store
> whatever
> he needs to store, including the app’s own users (app users). Note that
> "app users" are
> different from "platform users”: platform users are just app owners who
> create apps, while
> app users are the consumers of a specific app, which should be isolated
> from app to app.
> As in couchdb there is only one _users table per couchdb instance, I am
> wondering whether it
> is a better architecture if I assign each app one couchdb instance instead
> of a database? Then
> I can leverage the authentication & authorization logic provided by
> couchdb. Otherwise I would
> have to have another authentication & authorization system and need to
> keep it consistent with
> that in couchdb.
> What do you think of this? Is it a normal setup to have many couchdb
> instances? I assume I
> would need to consult with some technology like docker to do this. How
> complex is it and
> what kind of additional issues do I need to address?
> Your opinion is very much appreciated.
> -Ying

*Vishesh Mittal*
Co-founder, Plato Medical
+65 9068 5643

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