Running mission-critical SaaS platforms requires robust, secure, and well-maintained infrastructure. Our systems serve hundreds of businesses daily – car dealers, insurance companies, financial institutions – who depend on 24/7 availability for their operations.
We manage the complete infrastructure stack: dedicated servers, databases, containerization, security, monitoring, and DevOps tooling. Our focus is on reliability, security, and enabling fast development cycles while maintaining production stability.
The Challenge
Managing infrastructure for high-availability SaaS platforms presents ongoing challenges:
- Scale and complexity – multiple application servers, database clusters, scraping infrastructure, and auxiliary services
- Security requirements – sensitive automotive and insurance data requires strong protection
- Legacy modernization – older systems needed upgrades without disrupting production
- Development velocity – developers needed fast, isolated environments for feature work
- Performance demands – databases handling millions of records require continuous optimization
- Monitoring gaps – custom monitoring solutions needed replacement with industry-standard tooling
- Data acquisition infrastructure – scraping systems required specialized network configuration
What We Did
We built and continuously improve a comprehensive infrastructure supporting all platform operations:
Server Architecture
- Multi-server infrastructure with clear role separation
- Dedicated application servers handling platform workloads
- Master-slave database configuration for redundancy and failover
- Isolated environments for specialized systems (valuations, data processing)
- Staging server with on-demand instance provisioning
- Dedicated scraping infrastructure with specialized network setup
- Cloud services (AWS) for auxiliary workloads and storage
Database Management
- Migration from legacy MySQL to modern MariaDB
- Master-slave replication for high availability
- Snapshot capabilities for fast backup and recovery
- Performance monitoring (disk space, query performance)
- Index optimization and query tuning
- Redis implementation for caching and session management
Containerization & Environments
- LXC/LXD containers for service isolation
- Docker for specific workloads
- Self-service staging environments – developers create personal instances with dedicated subdomain and database copy
- Automated data sanitization (hashing/clearing sensitive columns) for staging databases
- Kubernetes implementation in progress for container orchestration
Security Hardening
- Regular Linux system updates across all servers
- Firewall configuration and hardening
- Cloudflare protection implemented across all domains
- Internal VPN for secure team access
- VPN and proxy infrastructure for scraping operations
- Database access controls and audit logging
Monitoring & Tooling
- Migration from custom log monitoring to Grafana
- Performance dashboards and alerting
- Multiple phpMyAdmin instances for database management
- n8n workflow automation for email handling and notifications
- Centralized logging and metrics collection
Scraping Infrastructure
- Advanced IP rotation across VPN and proxy networks
- User agent rotation and browser fingerprint management
- Dedicated servers isolated from main application infrastructure
- Resilient architecture handling blocks and rate limits
Continuous Modernization
- PHP version upgrades across all applications
- Database engine migration (MySQL → MariaDB)
- Ongoing security patching and hardening
- Infrastructure-as-code practices adoption
The Results
- Multiple servers managed - dedicated infrastructure with clear separation of concerns
- 24/7 availability - mission-critical systems running without interruption
- Enhanced security - Cloudflare protection, hardened firewalls, VPN access, regular updates
- Modern database stack - MariaDB with replication, snapshots, and performance optimization
- Fast development cycles - self-service staging environments created in minutes
- Improved monitoring - Grafana dashboards replacing custom solutions
- Optimized performance - query tuning, indexing, and caching with Redis
- Resilient scraping - advanced network infrastructure handling millions of requests
Technologies Used
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