[Haskell-cafe] State of the Haskell Web Application Stack

Alp Mestanogullari alp at mestan.fr
Wed Mar 24 18:49:27 EDT 2010

gitit [1] is happstack based and is very impressive -- you may want to read
its code to see how you can build web applications using happstack (not
*on*, for gitit).

[1] http://gitit.net/

> On Tue, Mar 23, 2010 at 7:05 PM, Ozgun Ataman <ozataman at gmail.com> wrote:
>> Greetings all.
>> I have been for quite some time trying to assess the feasibility of using
>> Haskell in relatively large, high volume, high availability, long-running
>> web application projects. I have enjoyed learning and using Haskell very
>> much for the past year and I often find myself missing various language
>> features when reasoning about alternatives like Ruby (on Rails). If I can
>> identify the right set of tools for the job, I would really like to take the
>> plunge and make Haskell my standard go-to language in web applications.
>> Here are the couple of key questions that I wanted get your feedback on:
>>    1. Do you consider Haskell and its environment of libraries ready for
>>    prime time in web app development as defined above?
>>    2. What collection of libraries would you use in such an effort?
>>    3. What are the up and coming packages/technologies in Haskell-land
>>    you would watch out for?
>> Also, here are some core requirements that I would define for such a
>> project:
>>    - Ease/speed of development in both back and front-ends, minimal
>>    boilerplate
>>    - Extendability and flexibility in iterative development
>>    - Robustness and reliability in production environment
>>    - High performance
>>    - Scalability
>>    - Ability to interface with new technologies in the future: Cassandra,
>>    Redis, memcached, etc.
>>    - Ease of implementing common/reusable features across web
>>    applications: user authentication, S3 file uploads, thumbnail/image
>>    handling, exception notifications, etc.
>> In terms of libraries, I can think of a few key components (as pointed out
>> by several others before) that one would need to arrange:
>>    - Choice of server (happstack vs. alternatives)
>>    - Templating (xhtml vs. file templates vs. newer efforts like
>>    BlazeHtml)
>>    - Data/storage layer: HDBC vs. HaskellDB vs. others
>> I know this is a common topic in Haskell-Cafe, but I have failed to
>> identify conclusive opinions from experienced Haskellers out there in
>> previous discussions. My apologies in advance if this is a blatantly
>> redundant post.
>> All the best,
>> Ozgun
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Alp Mestanogullari
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