@@ -14,7 +14,7 @@ ADD debian-bootstrap.sh /tmp/debian-bootstrap.sh
1414RUN DEBIAN_FRONTEND=noninteractive bash /tmp/debian-bootstrap.sh
1515RUN rm /tmp/debian-bootstrap.sh
1616
17−RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cabal-install-1.22 ghc-7.10.3 ghc-7.10.3-htmldocs alex-3.1.3 happy-1.19.4 sudo
17+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cabal-install-1.22 ghc-7.10.3 ghc-7.10.3-htmldocs alex-3.1.3 happy-1.19.4 sudo zlib1g-dev
1818
1919ENV PATH /home/stackage/.cabal/bin:/usr/local/sbin:/usr/local/bin:/opt/ghc/7.10.3/bin:/opt/cabal/1.22/bin:/opt/alex/3.1.3/bin:/opt/happy/1.19.4/bin:/usr/sbin:/usr/bin:/sbin:/bin
2020