[Haskell-beginners] Compiling project errors within a dockercontainer

[Yitzchak Gale]

I'm using Lima directly (not via Colima) without any issues. Is it important for you to do this inside a docker?

Does your project build OK natively on the Mac?

On Fri, Jul 12, 2024, at 12:14 AM, Hercules Merscher wrote:
> Hello folks,
> 
> I've been developing a small side project (a small web app). I'm developing on a Macbook M1 Pro, however, I need to compile it to test against a linux/amd64 environment. I'm trying to use docker for that. I know it is emulated via VM in this case and performance will suffer, but it's not a big deal for me since it's just a toy project.
> 
> I'm using stack as build tool and GHC 9.6.
> 
> The `stack build --fast` command errors, hinting that it could be out of memory.
> 
> ```
> root at c5f07dbd83dc:/opt/app# stack build --fast -j 4 --allow-different-user
> ...
> Error: [S-7282]
>        Stack failed to execute the build plan.
> 
>        While executing the build plan, Stack encountered the error:
> 
>        [S-7011]
>        While building package rinha-0.1.0.0 (scroll up to its section to see the error) using:
>        /root/.stack/setup-exe-cache/x86_64-linux/Cabal-simple_6HauvNHV_3.10.3.0_ghc-9.6.5 --verbose=1 --builddir=.stack-work/dist/x86_64-linux/ghc-9.6.5 build lib:rinha exe:rinha-exe --ghc-options " -fdiagnostics-color=always"
>        Process exited with code: ExitFailure (-9) (THIS MAY INDICATE OUT OF MEMORY)
> ```
> 
> Initially, I thought it really could be out of memory as I'm using colima and had default configuration. Then I started colima giving it 4 CPUs and 16GiB memory: 
> 
> ```
> $ colima start --cpu 4 --memory 16 -a x86_64 -t vz --vz-rosetta
> ```
> 
> The project starts building, stays like that for almost 1h, and then this error happens.
> 
> I wouldn't like to spin up a server just to build a project that I will be running on my laptop, but I see myself without alternatives and I'm finding it weird since I never had such a problem with other languages and it's the first time I see it while doing some Haskell.
> 
> Any tips?
> 
> Best,
> Hercules
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