diff --git a/src/root/usr/bin/create_extension b/src/root/usr/bin/create_extension
new file mode 100644
index 00000000..7ea43e3f
--- /dev/null
+++ b/src/root/usr/bin/create_extension
@@ -0,0 +1,5 @@
+#!/bin/sh
+EXT=$1
+mkdir -p ~/postgresql-start
+echo "psql -c 'CREATE EXTENSION IF NOT EXISTS ${EXT};' \$POSTGRESQL_DATABASE" > ~/postgresql-start/enable_${EXT}.sh
+
diff --git a/src/root/usr/bin/load_pg_library b/src/root/usr/bin/load_pg_library
new file mode 100644
index 00000000..8ffe3bb8
--- /dev/null
+++ b/src/root/usr/bin/load_pg_library
@@ -0,0 +1,4 @@
+#!/bin/sh
+LIB=$1
+mkdir -p ~/postgresql-cfg
+echo "shared_preload_libraries='${LIB}'" > ~/postgresql-cfg/${LIB}.conf