Development - Kelcode Development

build a homelab agentic ecosystem - part one

Building a Homelab Agentic Ecosystem (Part One)

What if you could query your infrastructure like a chatbot? In Part One of this series, I build a local-first, LLM-powered agent that understands natural language and talks directly to Prometheus, Kubernetes, and Harbor... no cloud, no keys, just raw insight.

Development

Bob's Journey into Advanced Helm: Mastering Charts

Bob and Josie dive into advanced Helm charting, mastering dynamic environments, service dependencies, and templating techniques. Discover how to streamline Kubernetes deployments with reusable configurations and smart templates in this next step of their tech journey!

Development

Bob's Journey Continues: Build a Secure Chart

Join Bob and Josie as they build a secure Helm chart from the ground up, exploring Kubernetes best practices and mastering advanced Helm configurations

Development

Bob's Journey into Helm: Charting a New Course

Join Bob and Josie as they dive into Kubernetes and Helm, exploring how to simplify application deployment with charts, values, and visualisations. From collaborative office setups to tech-savvy insights, this journey breaks down complex concepts into relatable, practical steps for developers.

Development

Bob’s Journey into Application Observability: Uncovering Hidden Threats

Bob dives into Kubernetes application observability, learning how to use logs to monitor performance and uncover hidden threats. With Josie's guidance, he discovers the power of metrics and visualisation tools to keep his apps running smoothly.

Development

Bob's Journey to Secure Networking: Controlling the Flow

Bob explores Kubernetes Network Policies, learning how to control pod-to-pod communication, isolate namespaces, and secure traffic flows. With Josie's guidance, he builds a fortress around his applications, mastering the art of controlling the flow in Kubernetes.

Development

Bob's Journey to Secure Ingress

Bob dives into Kubernetes Ingress Controllers, exploring how they route traffic to services, the role of Endpoints, and securing applications with TLS. With Josie’s guidance, he learns to expose apps securely and troubleshoot traffic flow, taking another step in his Kubernetes journey.

Development

Bob's Journey to Persistence: Keeping your Data Alive

Bob explores the world of Kubernetes Persistent Volumes and Claims, guided by Josie. Together, they tackle dynamic provisioning, securing connections to external services like PostgreSQL and MySQL, and best practices for resilience. Dive into this essential step in Bob's Kubernetes journey!

Development

Bob's Journey into Secrets and Config Maps

Join Bob as he navigates Kubernetes Secrets and ConfigMaps under Josie’s guidance. Learn how to securely manage sensitive data and configurations while separating them from application code, ensuring a robust and secure Kubernetes setup. Another step forward in Bob’s journey!

Development

Bob's Deep Dive into Kubernetes Pod Security

Join Bob as he dives deep into securing Kubernetes pods with Alex's guidance. Learn about Pod Security Policies, RoleBindings, and Service Accounts, and discover how to lock down your pods with best practices for a robust and secure Kubernetes environment.

Development

Bob's Kubernetes Journey Begins: Why Security Is Essential

Bob's journey takes him into the world of Kubernetes, where Josie guides him through the essential components and security practices. Together, they tackle the challenges of container orchestration, learning why security must be at the core of every Kubernetes deployment.

Development

Bob's Journey to Mastering Docker Content Trust and Image Signing

Bob explores Docker Content Trust to secure his container images, learning that image signing is just the start. With Josie's insights, he discovers tools like Notary and Cosign, realising that true security requires layers, from image authenticity to runtime protection and key management.

Development

Bob's Journey to Mastering Multi-Stage Builds

Bob's journey explores mastering multi-stage builds for leaner, secure Docker images. With Josie's advice and tools like Trivy, he learns to catch hidden vulnerabilities and strengthen his process. Follow along as Bob transforms his approach to container security.

Development

Bobs Journey Begins: The Quest for Secure Docker Images

Bob thought he had Docker figured out, but a security audit revealed hidden vulnerabilities. With Josies help, he learns the key practices to build secure Docker images—pinning versions, running as non-root, and using tools like Trivy. Join Bob on his security-first journey!

Kubernetes

Debugging Kubernetes

Earlier this morning I was debugging what turned out to be a issue with the node configuration in my local k8 dev cluster and it got me thinking about how easy it is to generally debug these things ... so here we go! Background Last weekend I decided to increase the

Development

CI/CD Under Siege: Supply Chain Cyberattacks

Discovered a new CI/CD attack trend that's shaking up our trust in software development processes. It highlights a crucial question: are we too complacent with our security in the fast-paced world of automation?

Helm

Helm Values Gotcha

Exploring a tricky aspect of Helm charts: how value merging can lead to unexpected results, and why mastering this is key to Kubernetes success.

Development

Setting up a dev box in Windows

Using Windows as a development environment can be tricky to set up, this guide shows a few tools and technologies to help bridge the gap and provide you with a wicked development environment in Windows.