update entrypoint

dockerfiles/super_node/entrypoint.sh

@@ -31,18 +31,26 @@ if [ $rv != 0 ]; then
   exit 1
 fi
 
+
 echo "Beginning the vulcanizedb process"
 VDB_CONFIG_FILE=${VDB_CONFIG_FILE:-config.toml}
 DEFAULT_OPTIONS="--config=$VDB_CONFIG_FILE"
 VDB_FULL_CL=${VDB_FULL_CL:-$VDB_COMMAND $DEFAULT_OPTIONS}
 echo running: ./vulcanizedb $VDB_FULL_CL $@
 
+case "$1" in
+  "/bin/sh" )
+    echo dropping to shell
+    exec /bin/sh
+esac
+
 vdb_args="$@"
 # default is to use the config passed by the build arg
-if [[ -z "$vdb_args" ]];
+if [[ -z "$vdb_args" ]]; then
   vdb_args="--config=config.toml"
 fi
 
+echo running: ./vulcanizedb $vdb_args
 ./vulcanizedb $vdb_args
 rv=$?