[Feature:Autograding] Add Haskell image

dockerfiles/haskell/8.8.4/Dockerfile

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+# First Stage: Builder
+FROM debian:buster-slim AS builder
+
+# Install necessary dependencies for building GHC
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    curl build-essential libffi-dev libgmp-dev libtinfo5 ca-certificates xz-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install GHCup (Haskell toolchain manager) without automatically installing the latest GHC
+RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | bash -s -- -y --no-ghc \
+    && /root/.ghcup/bin/ghcup install ghc 8.10.7 \
+    && /root/.ghcup/bin/ghcup set ghc 8.10.7 \
+    && rm -rf /root/.ghcup/ghc/9.4.8
+
+# Clean up unnecessary build artifacts and cache
+RUN rm -rf /root/.ghcup/cache /var/lib/apt/lists/*
+
+
+# Second Stage: Final Image
+FROM debian:buster-slim
+
+# Install runtime dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    libffi6 libgmp10 libtinfo5 build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy GHC from the builder stage
+COPY --from=builder /root/.ghcup /root/.ghcup
+
+# Set PATH to include GHCup
+ENV PATH="/root/.ghcup/bin:${PATH}"
+
+# Set the working directory
+WORKDIR /usr/src/app
+
+# Install libgmp-dev explicitly for runtime linking
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends libgmp-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Default command to keep the container running
+CMD ["/bin/bash"]

dockerfiles/haskell/metadata.json

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+{
+    "pushLatest": false
+}