Update env sample, and fix db volume

.env.sample

@@ -1,8 +1,8 @@
-# Database credentials
+# Database credentials -> update the password to something secure
 DB_USER=postgres
 DB_PASSWORD=password
 
-# NSW Fuel API credentials
+# NSW Fuel API credentials - the defaults here are the sandbox creds -> sign up and change these
 NSW_FUEL_API_KEY=1MYSRAx5yvqHUZc6VGtxix6oMA2qgfRT
 NSW_FUEL_API_SECRET=BMvWacw15Et8uFGF
 NSW_FUEL_API_AUTH_HEADER=MU1ZU1JBeDV5dnFIVVpjNlZHdHhpeDZvTUEycWdmUlQ6Qk12V2FjdzE1RXQ4dUZHRg==

.gitignore

@@ -5,3 +5,5 @@ backend/appsettings.Production.json
 backend/.idea*
 
 .env
+
+/volumes

compose.yaml

@@ -4,10 +4,6 @@ networks:
   app-network:
     driver: bridge
 
-volumes:
-  timescaledb-data:
-    driver: local
-
 services:
   backend-prod:
     image: backend-prod
@@ -48,7 +44,7 @@ services:
     networks:
       - app-network
     volumes:
-      - timescaledb-data:/var/lib/postgresql/data
+      - ./volumes/timescaledb-prod:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${DB_USER}"]
       interval: 10s