docs(docker): Add /var space issue documentation and monitoring scripts

backend/scripts/check-disk-space.sh

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+#!/bin/bash
+# Monitor disk space on all filesystems
+# Run this periodically to catch space issues early
+
+echo "================================"
+echo "Disk Space Check - $(date)"
+echo "================================"
+echo ""
+
+# Check all filesystems
+echo "All Filesystems:"
+df -h
+echo ""
+
+# Check specifically /var
+echo "/var Filesystem:"
+df -h /var 2>/dev/null || echo "No separate /var filesystem"
+echo ""
+
+# Check Docker data location
+echo "Docker Data Location:"
+docker system info 2>/dev/null | grep "Docker Root Dir" || echo "Docker not accessible"
+echo ""
+
+# Check Docker space usage
+echo "Docker Space Usage:"
+docker system df 2>/dev/null || echo "Cannot get Docker stats"
+echo ""
+
+# Alert if any filesystem is > 90% full
+echo "Alerts (filesystems > 90% full):"
+df -h | awk 'NR>1 {gsub(/%/,""); if($5 > 90) print $6 " is " $5 "% full"}"
+if [ $(df -h | awk 'NR>1 {gsub(/%/,""); if($5 > 90)}' | wc -l) -eq 0 ]; then
+  echo "  No alerts"
+fi
+echo ""
+
+echo "================================"
+echo "Check complete"
+echo "================================"

backend/scripts/verify-stack.sh

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+#!/bin/bash
+# Verify MongoDB and Backend are running correctly
+
+echo "================================"
+echo "Normogen Stack Verification"
+echo "================================"
+echo ""
+
+# Check containers are running
+echo "1. Checking containers..."
+docker ps --format "table {{.Names}}	{{.Status}}	{{.Ports}}" | grep normogen
+echo ""
+
+# Check MongoDB health
+echo "2. Checking MongoDB health..."
+MONGO_HEALTH=$(docker inspect normogen-mongodb-dev --format='{{.State.Health.Status}}' 2>/dev/null)
+echo "   MongoDB Health: $MONGO_HEALTH"
+echo ""
+
+# Check if MongoDB is accepting connections
+echo "3. Testing MongoDB connection..."
+docker exec normogen-mongodb-dev mongosh --eval 'db.runCommand({ping: 1})' --quiet 2>/dev/null && echo "   OK MongoDB is responding" || echo "   FAILED MongoDB not responding"
+echo ""
+
+# Check backend logs
+echo "4. Checking backend startup..."
+docker logs normogen-backend-dev 2>&1 | tail -5
+echo ""
+
+# Show recent MongoDB logs
+echo "5. Recent MongoDB logs..."
+docker logs normogen-mongodb-dev 2>&1 | grep -E '(waiting|ready|started|ERROR)' | tail -5
+echo ""
+
+# Check filesystem space
+echo "6. Checking filesystem space..."
+df -h | grep -E '(Filesystem|/var|/$)'
+echo ""
+
+echo "================================"
+echo "Verification complete"
+echo "================================"