Complete Node.js container implementation with multi-version support

- Add Dockerfile with AlmaLinux 9 base, Nginx reverse proxy, and PM2
- Support Node.js versions 18, 20, 22 with automated installation
- Implement memory-optimized configuration (256MB minimum, 512MB recommended)
- Add Memcached session storage for development environments
- Create comprehensive documentation (README, USER-GUIDE, MEMORY-GUIDE, CLAUDE.md)
- Include example applications (simple website and REST API)
- Add Gitea CI/CD pipeline for automated multi-version builds
- Provide local development script with helper utilities
- Implement health monitoring, log rotation, and backup systems

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/backup.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+USER=$1
+BACKUP_DIR="/home/$USER/_backups"
+DATE=$(date +%Y%m%d_%H%M%S)
+
+# Create backup directory if it doesn't exist
+mkdir -p $BACKUP_DIR
+
+# Backup application files
+tar -czf $BACKUP_DIR/app_backup_$DATE.tar.gz -C /home/$USER app/
+
+# Keep only last 10 backups
+cd $BACKUP_DIR
+ls -t app_backup_*.tar.gz | tail -n +11 | xargs -r rm
+
+echo "Backup completed: app_backup_$DATE.tar.gz"

scripts/create-nginx-config.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+# Create nginx configuration for reverse proxy to Node.js app
+cat > /etc/nginx/conf.d/default.conf << EOF
+upstream nodejs_backend {
+    server 127.0.0.1:3000;
+}
+
+server {
+    listen 80;
+    server_name $domain $serveralias;
+    
+    # Redirect HTTP to HTTPS
+    return 301 https://\$server_name\$request_uri;
+}
+
+server {
+    listen 443 ssl http2;
+    server_name $domain $serveralias;
+    
+    ssl_certificate /etc/pki/tls/certs/localhost.crt;
+    ssl_certificate_key /etc/pki/tls/private/localhost.key;
+    
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384;
+    
+    access_log /home/$user/logs/nginx/access.log;
+    error_log /home/$user/logs/nginx/error.log;
+    
+    location / {
+        proxy_pass http://nodejs_backend;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade \$http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host \$host;
+        proxy_set_header X-Real-IP \$remote_addr;
+        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto \$scheme;
+        proxy_cache_bypass \$http_upgrade;
+    }
+    
+    location /ping {
+        proxy_pass http://nodejs_backend/ping;
+        access_log off;
+    }
+    
+    # Static files
+    location /static/ {
+        alias /home/$user/app/public/;
+        expires 30d;
+        add_header Cache-Control "public, immutable";
+    }
+}
+EOF

scripts/entrypoint.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+if [ -z "$NODEVER" ]; then
+  NODEVER="20";
+fi
+
+if [ -z "$environment" ]; then
+  environment="PROD"
+fi
+
+adduser -u $uid $user
+
+mkdir -p /home/$user/app
+mkdir -p /home/$user/logs/{nginx,nodejs}
+
+# Link log directories
+rm -rf /var/log/nginx
+ln -s /home/$user/logs/nginx /var/log/nginx
+ln -s /home/$user/logs/nodejs /var/log/nodejs
+
+# Configure nginx for reverse proxy
+/scripts/create-nginx-config.sh
+
+# Set ownership and permissions
+chown -R $user:$user /home/$user
+chmod -R 755 /home/$user
+
+# Start nginx
+nginx
+
+if [[ $environment == 'DEV' ]]; then
+  echo "Starting Dev Deployment"
+  mkdir -p /home/$user/_backups
+  
+  # Ensure microdnf is available for installing additional packages in DEV mode
+  if ! command -v microdnf &> /dev/null; then
+    echo "microdnf not found, installing with dnf..."
+    dnf install -y microdnf && dnf clean all
+  fi
+  
+  # Install Memcached for session storage in DEV mode with memory limit
+  microdnf install -y memcached
+  # Start memcached with 32MB memory limit
+  nohup memcached -d -u $user -p 11211 -m 32
+  
+  # Set up automatic backups
+  echo "*/30 * * * * root /scripts/backup.sh $user" >> /etc/crontab
+fi
+
+# Start cron for log rotation and backups
+/usr/sbin/crond
+
+# If there's an app in the user directory, start it with PM2
+if [ -f /home/$user/app/package.json ]; then
+  cd /home/$user/app
+  su -c "npm install" $user
+  su -c "pm2 start ecosystem.config.js" $user
+else
+  # Start default app
+  cd /var/www/html
+  npm install
+  su -c "pm2 start ecosystem.config.js" $user
+fi
+
+# Follow logs
+tail -f /home/$user/logs/nginx/* /home/$user/logs/nodejs/*
+
+exit 0

scripts/install-node18.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+curl -fsSL https://rpm.nodesource.com/setup_18.x | bash -
+dnf install -y nodejs
+npm install -g npm@latest
+node --version
+npm --version

scripts/install-node20.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+curl -fsSL https://rpm.nodesource.com/setup_20.x | bash -
+dnf install -y nodejs
+npm install -g npm@latest
+node --version
+npm --version

scripts/install-node22.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+curl -fsSL https://rpm.nodesource.com/setup_22.x | bash -
+dnf install -y nodejs
+npm install -g npm@latest
+node --version
+npm --version

scripts/log-rotate.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+# Log rotation script for nginx and Node.js logs
+LOG_DIR="/home/*/logs"
+
+# Compress logs older than 3 days
+find $LOG_DIR -name "*.log" -type f -mtime +3 -exec gzip {} \;
+
+# Delete compressed logs older than 7 days
+find $LOG_DIR -name "*.gz" -type f -mtime +7 -delete
+
+# Rotate nginx logs
+if [ -f /var/run/nginx.pid ]; then
+    kill -USR1 $(cat /var/run/nginx.pid)
+fi
+
+# Rotate PM2 logs
+pm2 flush

scripts/memory-info.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+echo "=== Cloud Node Container Memory Usage ==="
+echo "Date: $(date)"
+echo ""
+
+echo "=== System Memory ==="
+free -h
+
+echo ""
+echo "=== Process Memory Usage ==="
+echo "Process                    PID    VSZ    RSS   %MEM"
+echo "----------------------------------------"
+
+# Nginx
+nginx_pid=$(pgrep nginx | head -1)
+if [ ! -z "$nginx_pid" ]; then
+    ps -o pid,vsz,rss,%mem,comm -p $nginx_pid | tail -n +2 | while read pid vsz rss mem comm; do
+        printf "%-25s %5s %6s %6s %5s\n" "$comm" "$pid" "${vsz}K" "${rss}K" "$mem%"
+    done
+fi
+
+# Node.js/PM2
+pm2_pids=$(pgrep -f "PM2\|node")
+if [ ! -z "$pm2_pids" ]; then
+    echo "$pm2_pids" | while read pid; do
+        ps -o pid,vsz,rss,%mem,comm -p $pid 2>/dev/null | tail -n +2 | while read pid vsz rss mem comm; do
+            printf "%-25s %5s %6s %6s %5s\n" "$comm" "$pid" "${vsz}K" "${rss}K" "$mem%"
+        done
+    done
+fi
+
+# Memcached
+memcached_pid=$(pgrep memcached)
+if [ ! -z "$memcached_pid" ]; then
+    ps -o pid,vsz,rss,%mem,comm -p $memcached_pid | tail -n +2 | while read pid vsz rss mem comm; do
+        printf "%-25s %5s %6s %6s %5s\n" "$comm" "$pid" "${vsz}K" "${rss}K" "$mem%"
+    done
+fi
+
+echo ""
+echo "=== Container Resource Limits ==="
+if [ -f /sys/fs/cgroup/memory/memory.limit_in_bytes ]; then
+    limit=$(cat /sys/fs/cgroup/memory/memory.limit_in_bytes)
+    if [ $limit -lt 9223372036854775807 ]; then
+        echo "Memory Limit: $((limit / 1024 / 1024))MB"
+    else
+        echo "Memory Limit: No limit set"
+    fi
+fi
+
+echo ""
+echo "=== PM2 Process Info ==="
+if command -v pm2 &> /dev/null; then
+    pm2 list 2>/dev/null | grep -E "(App name|online|stopped|errored)"
+    echo ""
+    pm2 show 0 2>/dev/null | grep -E "(memory|cpu|uptime)" || echo "No PM2 processes running"
+fi