Skip docs in final image

Author: AlistairB

8.10/ghcup/Dockerfile

@@ -31,7 +31,7 @@ ARG STACK_VERSION=2.7.3
 RUN ghcup install stack -i /usr/local/bin $STACK_VERSION
 
 # install GHC into /opt/ghc
-ARG GHC_VERSION=8.10.6
+ARG GHC_VERSION=8.10.4
 RUN ghcup install ghc -i /opt/ghc $GHC_VERSION
 
 FROM debian:buster
@@ -49,7 +49,8 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /usr/local/bin /usr/local/bin
-COPY --from=builder /opt/ghc /opt/ghc
+COPY --from=builder /opt/ghc/bin /opt/ghc/bin
+COPY --from=builder /opt/ghc/lib /opt/ghc/lib
 
 # Adjust PATH
 RUN echo 'export PATH="/opt/ghc/bin:$PATH"' >> /etc/profile.d/ghcup_path.sh && \