changes to env still and init-schema.sql

.env.template

@@ -1,12 +1,15 @@
 # Flask
 FLASK_SECRET_KEY=your-secret-key
 
-# MariaDB container
-MYSQL_HOST=db
+# Database config (shared by all)
+DB_HOST=db
+DB_PORT=3306
+DB_NAME=radius
+DB_USER=radiususer
+DB_PASSWORD=radiuspass
+
+# Only used by the MariaDB container
 MARIADB_ROOT_PASSWORD=rootpassword
-MARIADB_DATABASE=radius
-MARIADB_USER=radiususer
-MARIADB_PASSWORD=radiuspass
 
 # MAC Lookup API
 OUI_API_KEY= # only required if you want to increase the OUI limits