fix: update .env.example and docker-compose.yml for CRON error and configuration clarity

.env.example

@@ -8,10 +8,11 @@ PA11Y_PORT=4000
 READONLY=false
 
 # Optional site message to display on homepage
-SITE_MESSAGE=Welcome to Pa11y Dashboard!
+SITE_MESSAGE=
 
 # Enable automatic testing with cron expression
-# Examples:
-#   0 2 * * *     = Daily at 2 AM
-#   0 */6 * * *   = Every 6 hours
-WEBSERVICE_CRON=false
+# Leave commented out to disable automatic testing
+# Uncomment and set to enable:
+# WEBSERVICE_CRON=0 2 * * *     # Daily at 2 AM
+# WEBSERVICE_CRON=0 */6 * * *   # Every 6 hours Configuration
+# Copy this file to .env and customize as needed

docker-compose.yml

@@ -17,7 +17,7 @@ services:
       start_period: 30s
 
   pa11y-dashboard:
-    build: .
+    image: gitea.portal.tulsacounty.org/tcitcs/pa11y-docker:latest
     restart: unless-stopped
     depends_on:
       mongodb:
@@ -33,7 +33,7 @@ services:
       WEBSERVICE_DATABASE: mongodb://mongodb:27017/pa11y-webservice
       WEBSERVICE_HOST: 0.0.0.0
       WEBSERVICE_PORT: 3000
-      WEBSERVICE_CRON: ${WEBSERVICE_CRON:-false}
+      WEBSERVICE_CRON: ${WEBSERVICE_CRON}
     networks:
       - pa11y-network