Fix homepage Traefik network routing and update configurations

- Add traefik.docker.network=traefik-network label to homepage service
- Prevent Traefik from using wrong IP from homelab-network
- Resolve 504 Gateway Timeout issues after authentication
- Update various docker-compose configurations and templates
- Clean up unused configuration files

docker-compose/core/backup.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# Core Services Backup Script
+# Run this script to backup critical configuration files and database
+
+BACKUP_DIR="/opt/stacks/core/backups"
+TIMESTAMP=$(date +%Y%m%d_%H%M%S)
+BACKUP_NAME="core_backup_${TIMESTAMP}"
+
+echo "Creating backup: ${BACKUP_NAME}"
+
+# Create backup directory
+mkdir -p "${BACKUP_DIR}/${BACKUP_NAME}"
+
+# Backup Authelia configuration and database
+echo "Backing up Authelia..."
+cp -r /opt/stacks/core/authelia/config "${BACKUP_DIR}/${BACKUP_NAME}/"
+
+# Backup Traefik configuration (excluding certificates for security)
+echo "Backing up Traefik configuration..."
+mkdir -p "${BACKUP_DIR}/${BACKUP_NAME}/traefik"
+cp -r /opt/stacks/core/traefik/config "${BACKUP_DIR}/${BACKUP_NAME}/traefik/"
+cp -r /opt/stacks/core/traefik/dynamic "${BACKUP_DIR}/${BACKUP_NAME}/traefik/"
+# Note: letsencrypt/acme.json contains private keys - backup separately if needed
+
+# Backup docker-compose.yml
+echo "Backing up docker-compose.yml..."
+cp /opt/stacks/core/docker-compose.yml "${BACKUP_DIR}/${BACKUP_NAME}/"
+
+# Backup environment file (contains sensitive data - handle carefully)
+echo "Backing up .env file..."
+cp /opt/stacks/core/.env "${BACKUP_DIR}/${BACKUP_NAME}/"
+
+# Create archive
+echo "Creating compressed archive..."
+cd "${BACKUP_DIR}"
+tar -czf "${BACKUP_NAME}.tar.gz" "${BACKUP_NAME}"
+
+# Cleanup uncompressed backup
+rm -rf "${BACKUP_NAME}"
+
+echo "Backup completed: ${BACKUP_DIR}/${BACKUP_NAME}.tar.gz"
+echo "Backup size: $(du -h "${BACKUP_DIR}/${BACKUP_NAME}.tar.gz" | cut -f1)"
+
+# Keep only last 10 backups
+echo "Cleaning up old backups..."
+ls -t "${BACKUP_DIR}"/*.tar.gz | tail -n +11 | xargs -r rm -f
+
+echo "Backup script completed successfully"