Add stack.yaml file to containers.

`stack setup` fails due to ChasingBottoms missing from Stackage We default to lts-9.20 because lts-10.0 is currently not supported by many development tools (such as intero) because ghc-mod does not yet support GHC 8.2 (DanielG/ghc-mod#900).
m-renaud · Dec 26, 2017 · e1c8089 · e1c8089
1 parent 36bd13a
commit e1c8089
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/stack.yaml b/stack.yaml
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+flags: {}
+packages:
+- '.'
+# Uncoment the resolver you want to use and re-run `stack build/test/bench`.
+# resolver: lts-10.0
+resolver: lts-9.20
+# resolver: lts-7.24
+# resolver: lts-6.35