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Private Hosting and Virtualization Infrastructure

The infrastructure we use to host both client applications and our own products, designed and managed by us since 2016.

Project Overview

Period
since 2016, continuously extended
Client
our own infrastructure, used to host clients
Field
hosting, virtualization, hybrid infrastructure
Our Role
design, implementation, and management
Status
in production

The Challenge

When the application and underlying infrastructure are managed by different providers, responsibility can become fragmented during an incident, requiring the client to coordinate troubleshooting across multiple teams.

We built our own infrastructure to take unified responsibility for applications, hosting, and service recovery in case of an incident.

What We Did

We built a hosting platform based on virtualization, containers, and distributed storage, designed for application isolation, redundancy, backups, and incident recovery.

  • Proxmox VE clusters with Ceph distributed storage
  • LXC and Docker containers with separate environments for development, testing, and production
  • reverse proxy with automatically managed TLS certificates
  • backups via Proxmox Backup Server and NAS storage, with retention policies and restore testing
  • network segmentation via VLANs, firewalls, internal access VPN, IDS/IPS, and DNS filtering
  • monitoring with alerts and preventive maintenance
  • domain and certificate management
  • email infrastructure for business domains—SPF, DKIM, and DMARC; transactional email separation and reputation monitoring
  • object storage compatible with S3 and PostgreSQL databases in containers with encrypted connections
  • CI/CD pipelines, automated image builds, and private registries

The limitations of our own infrastructure. Hosting at our office is protected by UPS and short power interruption mitigation, but does not provide full redundancy for electricity and internet connection. For applications that cannot tolerate downtime, we use cloud VPS or hybrid configurations.

With What We Built

Proxmox VE and Proxmox Backup Server, Ceph, LXC and Docker, Traefik, pfSense and OPNsense, MikroTik devices, WireGuard, Cloudflare and CrowdSec, MinIO, PostgreSQL and MySQL, GitLab CI/CD, Synology storage, Linux.

See infrastructure service