diff --git a/Dockerfile b/Dockerfile
index 5d00cde..9ed1e07 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,5 @@ COPY Gemfile ghtorrent.gemspec ./ghtorrent/
 COPY lib/ ./ghtorrent/lib/
 COPY bin/ ./ghtorrent/bin
 RUN cd ghtorrent && bundle install --without development test
-RUN cd ghtorrent && gem install sqlite3
 
-CMD /usr/bin/env bash
-#ENTRYPOINT ["/usr/local/bin/ruby", "-I/ghtorrent/lib", "/ghtorrent/bin/ght-retrieve-repo"]
+ENTRYPOINT ["/ghtorrent/bin/docker-init.sh"]
diff --git a/bin/docker-init.sh b/bin/docker-init.sh
new file mode 100755
index 0000000..5a46513
--- /dev/null
+++ b/bin/docker-init.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+usage()
+{
+cat <<EOF 1>&2
+Usage: $0 [command] <args>
+
+Dispatch to a GHTorrent data retrieval operation 
+
+[command] can be one of: events, data-retrival, load
+<args> are passed verbatim to the dispatched program
+EOF
+}
+
+cmd=""
+case $1 in
+	events)
+		cmd="/usr/local/bin/ruby -I/ghtorrent/lib/ /ghtorrent/bin/ght-mirror-events"	
+		;;
+	data-retrieval)
+		cmd="/usr/local/bin/ruby -I/ghtorrent/lib/ /ghtorrent/bin/ght-data-retrieval"	
+		;;
+	load)
+		cmd="/usr/local/bin/ruby -I/ghtorrent/lib/ /ghtorrent/bin/ght-load"	
+		;;
+	*)
+		usage
+		;;
+esac
+
+shift
+
+$cmd $@