Build a ghc-9.8.4 image.

Author: csasarak

ghc-9.8.4/Dockerfile

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+FROM alpine:3.18
+# Install deps for:
+# - ghc/cabal: curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz tar perl zlib-dev
+# - repo clone: git
+# - static builds: zlib-static HACK(broken-ghc-musl): ncurses-static
+# - random haskell libraries with cbits (basement): binutils-gold
+# - to use embedded binaries in development (ie themis): libc6-compat
+# - for nix installation via github action cachix/install-nix-action: sudo
+RUN apk --no-cache add binutils-gold curl gcc g++ git gmp-dev ncurses-dev ncurses-static libffi-dev make xz xz-static tar perl zlib-dev zlib-static bash sudo libc6-compat git-lfs
+
+# Install system deps for FOSSA CLI:
+RUN apk --no-cache add bash xz-libs xz-dev bzip2-dev bzip2-static upx curl jq
+
+ENV GHC_VERSION="9.8.4"
+
+ENV PATH="/root/.cabal/bin:/root/.ghcup/bin:$PATH"
+
+# There aren't official builds of ghcup that are built against musl for aarch64.
+# So the following two steps do the install manually on that platform.
+# They manually do the same steps that ghcup would.
+# ghcup should have support for this soon: https://github.com/haskell/ghcup-hs/issues/1012#issuecomment-2294829976
+# When that happens, you should be able to remove the 'else' branches and have the install work for all platforms.
+RUN <<EOF
+  export BOOTSTRAP_HASKELL_NONINTERACTIVE=1
+  export BOOTSTRAP_HASKELL_MINIMAL=1
+  curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
+
+  ghcup install ghc "$GHC_VERSION"
+  ghcup set ghc "$GHC_VERSION"
+
+  # Docs take up a lot of space in the image and aren't really necessary.
+  rm -rf "$HOME/.ghcup/share/doc"
+EOF
+
+# Install cabal
+RUN <<EOF
+  ghcup install cabal 3.12.1.0
+EOF
+
+# Sets USER environment to overcome issue, as described in:
+# https://github.com/cachix/install-nix-action/issues/122
+ENV USER=guest