Add formio.sh installation script

[konard]

📋 Issue Reference

Fixes #175

🎯 Summary

This PR adds an automated installation script for Form.io (form and API platform) with MongoDB, following all requirements from requirements_for_scripts_ru.md.

🚀 What's Included

Core Components

• Node.js 20.x (LTS) - Required runtime environment
• MongoDB 8.0 - Database with dedicated user and limited privileges
• Form.io - Form and API platform installed from official repository
• Nginx - Reverse proxy with domain-specific log files
• SSL Certificate - Automatic setup via Let's Encrypt/certbot

Script Features

✅ Ubuntu 24.04 support
✅ Automatic installer_user creation and usage
✅ Domain name passed as command-line argument
✅ Idempotent operation - safe to run multiple times
✅ Resource existence checks (user, database, repository, SSL)
✅ Git repository cloning with git checkout . before updates
✅ Systemd service with automatic restart on updates
✅ Secure password generation (20+ character random passwords)
✅ MongoDB user with limited privileges (not root)
✅ Beautiful colored output for better readability
✅ Comprehensive installation report with all credentials
✅ Non-interactive installation (no prompts)

📝 Usage

sudo ./scripts/formio.sh forms.example.com

🔧 Technical Details

Installation Process

1. System dependencies installation (curl, git, build-essential, etc.)
2. Node.js 20.x from NodeSource repository
3. MongoDB 8.0 from official MongoDB repository
4. Form.io repository cloning to /home/installer_user/formio
5. Dependencies installation via yarn
6. Building VM module and portal
7. Environment configuration (.env file)
8. Systemd service creation and startup
9. Nginx reverse proxy configuration
10. SSL certificate via Let's Encrypt

MongoDB Configuration

• Dedicated database: formio
• Dedicated user: formio (with readWrite role only)
• No root user credentials exposed

Service Management

The script creates a systemd service that:

• Runs as installer_user
• Starts automatically on boot
• Restarts on failure
• Logs to journald

Security Features

• Secure password generation (OpenSSL random)
• JWT secret generation (64 characters)
• SSL/TLS encryption
• Security headers in Nginx
• Limited database privileges
• Credentials saved to secure report file (600 permissions)

🔍 Compliance with Requirements

All 17 requirements from requirements_for_scripts_ru.md are implemented:

1. ✅ Ubuntu 24.04 adaptation
2. ✅ installer_user creation
3. ✅ Web server (Nginx) installation
4. ✅ Domain argument
5. ✅ SSL certificate via certbot
6. ✅ No interactive prompts
7. ✅ Git clone/pull support
8. ✅ git checkout . before pull
9. ✅ Idempotent design
10. ✅ Resource existence checks
11. ✅ Service restart if exists
12. ✅ N/A (no Python venv)
13. ✅ Dedicated DB user (not root)
14. ✅ Separate Nginx logs per domain
15. ✅ Skip SSL if exists
16. ✅ Secure passwords in report
17. ✅ Colored output

📦 Output

After successful installation, the script generates:

• Installation report: /home/installer_user/formio_installation_report.txt
• Contains all credentials and access information
• Service management commands
• Log file locations

🧪 Testing Notes

The script has been validated for:

• ✅ Bash syntax correctness
• ✅ Idempotent operations
• ✅ Proper error handling with set -e
• ✅ Following patterns from existing scripts (n8n.sh, rocketchat.sh)

📚 References

• Form.io repository: https://github.com/formio/formio
• Form.io documentation: https://github.com/formio/formio#readme
• MongoDB 8.0 documentation: https://docs.mongodb.com/manual/

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[konard]

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