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JSON Schema: Describing Data Structures
JSON Schema is a standard for describing the structure of JSON. In the Claude API...
Tool Use in the Claude API: Agents with Tools
Tool use lets Claude call functions in your code — fetching weather, reading files, running...
ChromaDB: Vector Database for RAG
ChromaDB is an embeddable vector database. It stores texts and their embeddings, and can search...
SQLite in Python: Persistent Memory for Agents
SQLite is a relational database built into Python. It stores data in a single file...
Health Checks: Liveness and Readiness in Kubernetes
A container is running — that does not mean the application is working. There might...
Resource Limits and Requests in Kubernetes
Without resource constraints a single "greedy" container can consume all the memory on a node...
What Is Kubernetes and Why You Need It
Docker packages an application into a container. But what do you do when you have...
ConfigMap and Secret: Configuration in Kubernetes
Configuration must not be baked into a Docker image. Different environments (dev, staging, production) require...
Volumes and Persistent Storage in Kubernetes
By default, data inside a container disappears along with the container. Kubernetes provides several levels...
Deployment and ReplicaSet in Kubernetes
A Pod is a one-shot unit. A Deployment is the mechanism that guarantees the right...
Pod: The Smallest Unit in Kubernetes
In Docker you run a container. In Kubernetes the smallest unit is a Pod. It...
Services and Networking in Kubernetes
Every Pod has an IP address. But pods are mortal: they get recreated, rescheduled onto...
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