LLM Tool Calling and Parallel Function Execution in Production
Tool calling lets LLMs execute real functions. Parallel tool calling makes agents fast. Here's how to implement it properly with Claude API and handle errors gracefully.
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6 min readRead
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Page 10 of 73
Terraform Workspace State Mismatch: How to Fix Wrong Environment Deploys
Terraform applying to the wrong environment because workspace state is confused? Here's how to diagnose, fix, and prevent workspace state mismatches.
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4 min readRead
What is Rate Limiting? A Clear Explanation for DevOps Engineers
Rate limiting protects your APIs and infrastructure from overload and abuse. Here's what it is, how it works, and how to implement it in Nginx, Kubernetes, and code.
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5 min readRead
Build an AI SRE Runbook Agent with LangGraph and Kubernetes
Use LangGraph to build an agentic SRE assistant that reads Kubernetes state, queries Prometheus, and executes runbook steps autonomously using Claude API.
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5 min readRead
DevOps Engineer Remote Interview Tips: How to Stand Out in 2026
Remote DevOps interviews have specific challenges that on-site interviews don't. Here's how to prepare for live coding, system design, and the technical environment.
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5 min readRead
GitHub Actions Composite Action Inputs Not Working: How to Fix It
Composite action inputs returning empty strings, secrets not passing through, or steps failing silently? Here are the exact fixes for common composite action bugs.
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4 min readRead
LLM Context Window Management for Long Documents in Production
When your documents exceed the context window, you need chunking, summarization, and retrieval strategies. Here's how to handle long context in production LLM apps.
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6 min readRead
Nixpacks vs Buildpacks vs Dockerfile: Which Build Tool in 2026?
Nixpacks (used by Railway), Buildpacks (used by Heroku/Cloud Native), and Dockerfile are three ways to build container images. Honest comparison for DevOps engineers.
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3 min readRead
Prometheus Pushgateway vs Pull Model: When to Use Each
Prometheus pulls metrics by default. The Pushgateway lets short-lived jobs push metrics. Here's exactly when each model fits and when you should NOT use Pushgateway.
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4 min readRead