DEV Community

Mustafa ERBAY
Mustafa ERBAY

Posted on • Originally published at mustafaerbay.com.tr

Why I Built My Own Social Network

In my career, I've set up hundreds of servers, written thousands of lines of code, and designed dozens of network topologies. But one of my most radical decisions was waking up one morning and saying, "I'm going to build my own social network." To many, this might seem like an unnecessary effort; with dozens of alternatives already available, why bother reinventing the wheel from scratch? The answer is actually more personal and deeper than you might think.

Behind this decision wasn't just technical curiosity, but also a desire to control my digital presence and data. After years of seeing how corporate systems and large platforms operate, I fully understood the limitations that come with being a small cog in these massive structures. For me, building my own social network was a kind of declaration of digital sovereignty.

Existing Social Networks and Their Shortcomings for Me

For nearly twenty years, I've looked so deeply into systems that I know the mechanisms behind the "user-friendly interface" curtain very well. While large social networks offer convenience, they also, unknowingly, make us part of a massive data mining operation. Algorithms, advertisements, "personalized" content... all of these felt like control mechanisms to me.

When working on an ERP system for a manufacturing company, I saw how meticulously processes were handled, where and how data was processed, and how critical it all was. The idea that my personal data was being analyzed and manipulated by who-knows-what algorithms, outside of my control, began to bother me. For me, data wasn't just an input; it was a part of my digital identity.

⚠️ Data Sovereignty

While large platforms offer "free" services, they actually take something far more valuable from you: your data and your attention. This can, over time, lead to the erosion of our digital identity and privacy. Taking control of our own data can be a way to halt this erosion.

The Freedom and Responsibility of System Architecture

When I decided to build my own social network, it wasn't just a software project; it was also a system architecture project. Everything from network segmentation to security policies, database performance to Linux service configurations, would be under my control. This gave me a sense of freedom I couldn't always achieve in a corporate environment.

For instance, on the network side, implementing VLAN segmentation and ZTNA principles in my own network provided complete mastery over where and how data flowed. On the security side, I determined everything myself, from my fail2ban rules to kernel module blacklist settings. In a production ERP, I had designed how data was securely transferred with iSCSI integration. This experience encouraged me to establish a similar level of security and control on my own platform.

Experiencing PostgreSQL database WAL bloat issues or Redis's OOM eviction policy choices in my own project offered an opportunity to put theoretical knowledge into practice. I even had a moment once where my systemd unit was OOM-killed due to incorrect use of the sleep 360 command, forcing me to switch to polling-wait. Such errors not only taught me technical lessons but also gave me a chance to understand systems better.

Expectations, Realities, and Lessons Learned

Of course, building my own social network was a process where my expectations clashed with reality. Initially, I set out with the enthusiasm of "building my own small ecosystem." However, I learned through bitter experience that a social network is not just code; it also requires human interaction and a moderation mechanism. Issues like user management, spam filtering, and content moderation were as complex as the technical infrastructure.

One of the most important things I learned during this process was to see, once again, that software architecture is often an organizational flow, beyond the "monolith vs microservice" debate. Coding a feature might be easy, but how it would be used by users, how they would interact with it, and how it would affect the overall platform experience was a much larger equation. I experienced similar challenges in my own social network to those I faced when designing the "purchase/produce/ship/invoice" flow in an ERP system.

ℹ️ Misconceptions and Realities

Building your own social network isn't just about writing code. It's inevitable to encounter many unexpected challenges such as user experience, moderation, security vulnerabilities, legal obligations, and continuous maintenance. This requires organizational and people management skills beyond technical knowledge.

Value as a By-Product and Future Vision

So, was all this effort worth it? Absolutely, yes. Building my own social network has been more than just a "by-product" for me; it's been a continuous learning and experimentation ground. Here, I've had the opportunity to test many AI applications, from prompt engineering to RAG (retrieval-augmented) architectures, from agent patterns to fallback mechanisms with multiple AI providers like Gemini Flash, Groq, and Cerebras.

This platform has become a kind of digital laboratory for me. I gained real-world experience in areas like Knowledge Graph integrations, Schema.org structures, and SEO depth. At the same time, by integrating with my other by-products, such as the spam blocker I developed for Android, I further enriched my digital ecosystem. This project not only helped me develop my technical skills but also expanded my vision of what's possible in the digital world.

In conclusion, the decision to build my own social network meant, for me as an engineer, pursuing the question "why not?", taking control, and continuously learning. Beyond the conveniences offered by large platforms, the satisfaction of cultivating your own digital garden is priceless.

So, how much control do you think you have over your digital presence and data? Are there any steps you're considering taking for your own "digital sovereignty"?

Top comments (0)