diff --git a/impls/fennel/Dockerfile b/impls/fennel/Dockerfile
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+FROM ubuntu:20.04
+MAINTAINER Joel Martin <github@martintribe.org>
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+##########################################################
+# General requirements for testing or common across many
+# implementations
+##########################################################
+
+RUN apt-get -y update
+
+# Required for running tests
+RUN apt-get -y install make python
+
+# Some typical implementation and test requirements
+RUN apt-get -y install libreadline-dev libedit-dev
+
+RUN mkdir -p /mal
+WORKDIR /mal
+
+##########################################################
+# Specific implementation requirements
+##########################################################
+
+# fennel
+
+RUN apt-get -y install gcc wget unzip libpcre3-dev
+
+# lua
+RUN \
+wget http://www.lua.org/ftp/lua-5.4.1.tar.gz && \
+tar -zxf lua-5.4.1.tar.gz && \
+cd lua-5.4.1 && \
+make linux test && \
+make install
+
+# luarocks
+RUN \
+wget https://luarocks.org/releases/luarocks-3.3.1.tar.gz && \
+tar zxpf luarocks-3.3.1.tar.gz && \
+cd luarocks-3.3.1 && \
+./configure && \
+make && \
+make install
+
+# fennel, lpeg
+RUN luarocks install fennel
+RUN luarocks install lpeg
+
+# luarocks .cache directory is relative to HOME
+ENV HOME /mal
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