Added some optional instructions.

README.md

@@ -60,6 +60,15 @@ HTML_VOLUME=test_html_staging
 1. Stop the current containers and remove volumes:
 ```bash
 docker compose down -v
+
+# Optional Steps
+
+# Clean volumes
+grep -E 'DB_VOLUME|CONTENT_VOLUME' .env | cut -d '=' -f2 | xargs -I {} sh -c 'docker volume rm {} 2>/dev/null; docker volume create {}'
+
+# Remove Wordpress Image
+docker rmi $(grep IMAGE_WEB .env | cut -d '=' -f2)
+
 ```
 
 2. Update WordPress version:
@@ -92,6 +101,13 @@ chmod -R [appropriate-permissions] wp-content/
 
 5. Optional: Update database if needed:
 ```bash
+(In the database container)
+apt-get update && \
+    apt-get install -y mariadb-client && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+(From the host)
 ./update-db
 ```