chore: adds note to compose.yml

compose.yml

@@ -1,3 +1,5 @@
+# This file is used for local development
+# see the docs/examples directory for production examples
 services:
   caddy:
     image: caddy:2.9.1
@@ -44,6 +46,7 @@ services:
     environment:
       TZ: America/Chicago
 
+
   scheduler:
     build:
       dockerfile: docker/Dockerfile.scheduler
@@ -77,9 +80,9 @@ services:
     environment:
       TZ: America/Chicago
       MYSQL_DATABASE: app
-      MYSQL_USERNAME: app
+      MYSQL_USER: app
       MYSQL_PASSWORD: password
-      MYSQL_ROOT_PASSWORD: password
+      MYSQL_RANDOM_ROOT_PASSWORD: true
     healthcheck:
       test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
       interval: 5s