set EPICSHOP_HOME_DIR in Dockerfile

Author: kentcdodds

epicshop/Dockerfile

@@ -4,6 +4,7 @@ RUN apt-get update && apt-get install -y git
 
 ENV EPICSHOP_GITHUB_REPO=https://github.com/epicweb-dev/web-forms
 ENV EPICSHOP_CONTEXT_CWD="/myapp/workshop-content"
+ENV EPICSHOP_HOME_DIR="/myapp/.epicshop"
 ENV EPICSHOP_DEPLOYED="true"
 ENV EPICSHOP_DISABLE_WATCHER="true"
 ENV FLY="true"