Enhance deployment scripts by removing old Docker images and pruning unused resources

.gitea/workflows/deploy.yml

@@ -47,6 +47,10 @@ jobs:
             mkdir -p \$DEPLOY_DIR
             cd /tmp
             docker load < merchbay.tar.gz
+            
+            echo 'Removing old merchbay images'
+            docker images | grep merchbay | grep -v "\$(docker images merchbay:latest -q)" | awk '{print \$3}' | xargs -r docker rmi -f || true
+            
             cp docker-compose.yml \$DEPLOY_DIR/
             cd \$DEPLOY_DIR
             
@@ -67,6 +71,12 @@ jobs:
             docker compose exec -T app php artisan route:cache
             docker compose exec -T app php artisan view:cache
             rm -f /tmp/merchbay.tar.gz /tmp/docker-compose.yml
+            
+            echo 'Pruning unused Docker resources'
+            docker image prune -af --filter "until=24h" || true
+            docker container prune -f || true
+            docker system df
+            
             echo 'Production deployment completed successfully!'
             echo 'Application available at: https://merchbay.app'
           "