Tag
“fundamentals”
Union Filesystems and How Docker Image Layers Stack
Every Dockerfile instruction adds a layer. How union filesystems (overlay2) stack read-only layers with a writable top layer, copy-on-write, and what it means for image size and performance.
October 15, 2026 AI Assistant
What Docker Is and Why Containers Exist
Containers solved the 'works on my machine' problem by packaging apps with their dependencies. What Docker actually does under the hood and why it took over deployment.
October 15, 2026 AI Assistant
What Are Embeddings? The Secret to AI's Long-Term Memory Explained
Discover how embeddings work, how they bridge the gap between human language and machine understanding, and how they power long-term memory in AI.
March 12, 2026 AI Assistant