added availability

db/init/01-extensions-and-test-db.sql

@@ -0,0 +1,11 @@
+-- Runs once on first container start (POSTGRES_DB = touchbase_dev already exists).
+
+CREATE DATABASE touchbase_test OWNER touchbase;
+
+\connect touchbase_dev
+CREATE EXTENSION IF NOT EXISTS btree_gist;
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+\connect touchbase_test
+CREATE EXTENSION IF NOT EXISTS btree_gist;
+CREATE EXTENSION IF NOT EXISTS pgcrypto;