(maint) configure lein local-repo for easy caching

docker/README.md

@@ -95,6 +95,8 @@ This container assumes that the code you're building will be in `/workspace`. Th
 will be copied into `/output` before the container terminates, and if you're building a
 custom ezbake that will be cloned into `/ezbake`.
 
+Lein is configured to use `/repo` as it's local-repo. Volume map to cache dependencies between builds.
+
 1. Run from a remotely accessible repo (github, gitlab, etc)
 
 This is by far the fastest build option, but does require the extra step of committing and pushing your code

docker/ezbake/Dockerfile

@@ -44,6 +44,11 @@ RUN gem install --no-doc bundler fpm && \
 COPY docker/ezbake/docker-entrypoint.sh /
 RUN chmod +x /docker-entrypoint.sh
 
+# setup lein for easy caching
+RUN mkdir /repo && \
+    mkdir /root/.lein && \
+    echo "{:user {:local-repo "/repo"}}" > /root/.lein/profiles.clj
+
 # Have the latest ezbake installed 
 COPY . /ezbake_src
 WORKDIR /ezbake_src