[Haskell-cafe] any cloud computing services for running Haskell?

Wed Jul 19 03:25:40 UTC 2017

The performance might not be what you're looking for (there are some more
performant configurations but they might not be cost effective), but it's
pretty easy to get a stack project running on Heroku - this script took ~3
minutes (dominated by installing GHC on the first push) to get a simple
worker running in the cloud:

https://gist.github.com/mfine/b3dd21cfd03d1775084780f955cdc784#gistcomment-2151378

Sample run:

~ $ stack new worker
https://gist.githubusercontent.com/mfine/b3dd21cfd03d1775084780f955cdc784/raw/4779a2ea55ac29b469a98eedfba35f74ba7785dc/worker.hsfiles
Downloading template
"https://gist.githubusercontent.com/mfine/b3dd21cfd03d1775084780f955cdc784/raw/522fc42d9c7a46e26673a73fae629c92c28da648/worker.hsfiles"
to create project "worker" in worker/ ...
Looking for .cabal or package.yaml files to use to init the project.
Using cabal packages:
- worker/worker.cabal

Selecting the best among 10 snapshots...
* Matches lts-8.23

Selected resolver: lts-8.23
Initialising configuration using resolver: lts-8.23
Total number of user packages considered: 1
Writing configuration to file: worker/stack.yaml
All done.~ $~ $ cd worker~/worker $~/worker $ git init .
Initialized empty Git repository in ~/worker/.git/~/worker $~/worker $
git add .~/worker $~/worker $ git commit -m "initial"
[master (root-commit) a19a152] initial
 4 files changed, 84 insertions(+)
 create mode 100644 Procfile
 create mode 100644 main.hs
 create mode 100644 stack.yaml
 create mode 100644 worker.cabal~/worker $~/worker $ heroku create
--buildpack https://github.com/mfine/heroku-buildpack-stack.git
Creating app... done, ⬢ serene-earth-29336
Setting buildpack to
https://github.com/mfine/heroku-buildpack-stack.git...
donehttps://serene-earth-29336.herokuapp.com/ |
https://git.heroku.com/serene-earth-29336.git~/worker $~/worker $ git
push heroku master
Counting objects: 6, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (5/5), done.
Writing objects: 100% (6/6), 1.61 KiB | 0 bytes/s, done.
Total 6 (delta 0), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Haskell app detected
remote: -----> 2017-07-19_02:58:20 Starting...
remote: -----> 2017-07-19_02:58:20 Exporting config vars
remote: -----> 2017-07-19_02:58:20 Installing libgmp-6.0.0a into cache
remote: ########################################################################
100.0%
remote: -----> 2017-07-19_02:58:20 Restoring 6.0.0a files from cache
remote: -----> 2017-07-19_02:58:20 Downloading stack-1.4.0
remote: ########################################################################
100.0%
remote: -----> 2017-07-19_02:58:21 Restoring stack-1.4.0
remote: -----> 2017-07-19_02:58:21 Substituting stack vars
remote: -----> 2017-07-19_02:58:21 Running stack
remote: Downloading lts-8.23 build plan ...
remote: Downloaded lts-8.23 build plan.
remote: Updating package index Hackage (mirrored at
https://s3.amazonaws.com/hackage.fpcomplete.com/) ...
remote: Selected mirror https://s3.amazonaws.com/hackage.fpcomplete.com/
remote: Downloading root
remote: Selected mirror https://s3.amazonaws.com/hackage.fpcomplete.com/
remote: Downloading timestamp
remote: Downloading snapshot
remote: Downloading mirrors
remote: Cannot update index (no local copy)
remote: Downloading index
remote: Updated package list downloaded
remote: Populating index cache ...
remote: Populated index cache.
remote: Preparing to install GHC to an isolated location.
remote: This will not interfere with any system-level installation.
remote: Preparing to download ghc-8.0.2 ...
remote: ghc-8.0.2: download has begun
remote: ghc-8.0.2:   27.84 MiB / 107.55 MiB ( 25.89%) downloaded...
remote: ghc-8.0.2:   54.10 MiB / 107.55 MiB ( 50.31%) downloaded...
remote: ghc-8.0.2:   77.99 MiB / 107.55 MiB ( 72.52%) downloaded...
remote: ghc-8.0.2:  101.87 MiB / 107.55 MiB ( 94.72%) downloaded...
remote: ghc-8.0.2:  107.55 MiB / 107.55 MiB (100.00%) downloaded...
remote: Downloaded ghc-8.0.2.
remote: Unpacking GHC into
/app/tmp/cache/.stack/programs/x86_64-linux/ghc-8.0.2.temp/ ...
remote: Configuring GHC ...
remote: Installing GHC ...
remote: Installed GHC.
remote: stack will use a sandboxed GHC it installed
remote: For more information on paths, see 'stack path' and 'stack exec env'
remote: To use this GHC and packages outside of a project, consider using:
remote: stack ghc, stack ghci, stack runghc, or stack exec
remote: [1 of 2] Compiling Main             (
/app/tmp/cache/.stack/setup-exe-src/setup-mPHDZzAJ.hs,
/app/tmp/cache/.stack/setup-exe-src/setup-mPHDZzAJ.o )
remote: [2 of 2] Compiling StackSetupShim   (
/app/tmp/cache/.stack/setup-exe-src/setup-shim-mPHDZzAJ.hs,
/app/tmp/cache/.stack/setup-exe-src/setup-shim-mPHDZzAJ.o )
remote: Linking
/app/tmp/cache/.stack/setup-exe-cache/x86_64-linux/tmp-Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2
...
remote: worker-0.1.0.0: configure (exe)
remote: Configuring worker-0.1.0.0...
remote: worker-0.1.0.0: build (exe)
remote: Preprocessing executable 'worker' for worker-0.1.0.0...
remote: [1 of 1] Compiling Main             ( main.hs,
.stack-work/dist/x86_64-linux/Cabal-1.24.2.0/build/worker/worker-tmp/Main.o
)
remote: Linking
.stack-work/dist/x86_64-linux/Cabal-1.24.2.0/build/worker/worker ...
remote: worker-0.1.0.0: copy/register
remote: Installing executable(s) in
remote: /app/.stack-work/install/x86_64-linux/lts-8.23/8.0.2/bin
remote: Copying from
/app/.stack-work/install/x86_64-linux/lts-8.23/8.0.2/bin/worker to
/app/.local/bin/worker
remote:
remote: Copied executables to /app/.local/bin:
remote: - worker
remote: -----> 2017-07-19_03:01:26 Making stack binaries available
remote: -----> 2017-07-19_03:01:26 Caching .stack-work
remote: -----> 2017-07-19_03:01:26 Finished!
remote: -----> Discovering process types
remote:        Procfile declares types -> worker
remote:
remote: -----> Compressing...
remote:        Done: 1.5M
remote: -----> Launching...
remote:        Released v3
remote:        https://serene-earth-29336.herokuapp.com/ deployed to Heroku
remote:
remote: Verifying deploy... done.
To https://git.heroku.com/serene-earth-29336.git
 * [new branch]      master -> master~/worker $~/worker $ heroku
ps:scale worker+1
Scaling dynos... done, now running worker at 1:Free~/worker $~/worker
$ heroku logs -t
2017-07-19T03:07:19.755903+00:00 heroku[worker.1]: Starting process
with command `worker`
2017-07-19T03:07:20.553903+00:00 heroku[worker.1]: State changed from
starting to up
2017-07-19T03:07:22.393957+00:00 app[worker.1]: Hello!
2017-07-19T03:07:23.397139+00:00 app[worker.1]: Hello!
2017-07-19T03:07:24.398803+00:00 app[worker.1]: Hello!
2017-07-19T03:07:25.400211+00:00 app[worker.1]: Hello!
2017-07-19T03:07:26.405199+00:00 app[worker.1]: Hello!

Mark

On Sun, Jul 16, 2017 at 1:20 PM, Dennis Raddle <dennis.raddle at gmail.com>
wrote:

> I'm thinking of using cloud computing services for running my
> CPU-intensive parallel Haskell code, in order to get results faster.
> Instead of buying a faster computer, I would take advantage of existing
> services.
>
> Note that my budget is small, so I need something that doesn't have a
> large minimum charge. I'm thinking $10 - 30 per month.
>
> Are there any cloud services like that that run Haskell?
> D
>
>
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