Suggest adding Hydra substituter in docs (#823)
It seems [Hercules CI](https://hercules-ci.com/github/input-output-hk/haskell.nix) is having some problems, which means build outputs might not be available via the Cachix substituter.
commit3250b6cc7b9502fbf89de5f535214cd8f6326205
authorAsad Saeeduddin <masaeedu@gmail.com>
dateMon 31 Aug 2020, 09:06 (6 years ago)
parenta8f5fed
docs/tutorials/getting-started.md+7
@@ -24,6 +24,13 @@ $ cachix use iohk
2424Configured https://iohk.cachix.org binary cache in ~/.config/nix/nix.conf
2525```
2626
27+Note: `haskell.nix` currently uses multiple CI providers to build derivations and store outputs. To improve your chances of getting a cache hit, you might want to add the following additional substituter to `~/.config/nix/nix.conf`:
28+
29+```
30+trusted-public-keys = [...] hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= [...]
31+substituters = [...] https://hydra.iohk.io [...]
32+```
33+
2734## Scaffolding
2835
2936The following work with `stack.yaml` and `cabal.project` based