Josiah Siegel

Azure Data Factory (ADF) CI/CD, deployment, and pipeline development. PROACTIVELY activate for: (1) ADF CI/CD setup (npm validation, ARM template export), (2) ADF ARM template deployment, (3) ADF npm build validation in CI, (4) PrePostDeploymentScript for trigger and resource cleanup, (5) ADF GitHub Actions workflows, (6) ADF Azure DevOps pipelines, (7) ADF Git integration (collaboration vs publish branch), (8) parameterizing linked services and datasets across environments, (9) ADF triggers (schedule, tumbling window, event), (10) deployment slots and blue-green for ADF. Provides: complete CI/CD YAML for GitHub Actions and Azure DevOps, PrePostDeploymentScript reference, parameterization patterns, and trigger management recipes.

ADF + Azure ML and analytics integrations. PROACTIVELY activate for: (1) Azure ML batch endpoints invoked from ADF, (2) Azure OpenAI Batch API pipeline patterns, (3) ADF ML scoring orchestration, (4) SQL to Storage archival pipelines, (5) AI Services integration via REST connector, (6) Databricks notebook execution from ADF, (7) Data Flow feature engineering, (8) Synapse / Fabric integration from ADF, (9) Cognitive Search indexer triggers, (10) Power BI dataset refresh via REST. Provides: REST connector recipes, Databricks linked service setup, Data Flow templates, and end-to-end ML scoring pipelines.

ADF activity nesting rules, limits, and validation gotchas. PROACTIVELY activate for: (1) ADF activity nesting rules (ForEach inside If, Switch, Until), (2) ForEach limitations (no nested ForEach, item limits), (3) pipeline validation errors and ARM-template build failures, (4) linked service authentication issues, (5) Set Variable restrictions in ForEach, (6) Data Flow constraints (transformation limits, source/sink rules), (7) parameter and variable scope, (8) max activities per pipeline, (9) pipeline concurrency limits. Provides: nesting rule matrix, activity limit reference, validation error catalog, and refactoring patterns for unsupported nesting.

Azure DevOps pipeline best practices, patterns, and industry standards. PROACTIVELY activate for: (1) authoring or reviewing Azure DevOps YAML pipelines, (2) multi-stage pipeline patterns (build, test, deploy), (3) reusable templates (steps, jobs, stages), (4) pipeline caching (Cache@2 task), (5) parallel jobs and matrix strategies, (6) deployment strategies (rolling, blue-green, canary), (7) approvals and environments, (8) variable groups, secret variables, Key Vault linkage, (9) service connections (Azure RM, GitHub, container registries), (10) pipeline versioning and pinning task major versions. Provides: YAML pattern catalog, template library structure, caching recipes, deployment strategy templates, and a pipeline-quality checklist.

Windows and Git Bash compatibility for Azure Pipelines. PROACTIVELY activate for: (1) pipelines that pass on Linux but fail on Windows agents, (2) path conversion issues in pipeline scripts (MSYS, MINGW), (3) shell detection (bash@3, pwsh@2, powershell@2 task selection), (4) MSYS_NO_PATHCONV and MSYS2_ARG_CONV_EXCL workarounds, (5) Windows self-hosted agent configuration, (6) cross-platform script patterns, (7) line-ending issues (CRLF vs LF) in checked-in scripts, (8) Docker on Windows agents, (9) UNC and long-path limitations. Provides: shell-task selection matrix, path-conversion env-var recipes, line-ending fixes, and a Windows-specific pipeline troubleshooting playbook.

Azure Kubernetes Service (AKS) Automatic mode and 2025 platform features. PROACTIVELY activate for: (1) AKS Automatic (managed Kubernetes, zero operational overhead), (2) Karpenter-based autoscaling on AKS, (3) NodePool CRD usage, (4) HPA, VPA, KEDA on AKS, (5) workload identity and Microsoft Entra integration, (6) AKS billing model (Automatic vs Standard), (7) AKS 2025 cluster defaults (RBAC, Azure CNI overlay, Cilium), (8) AKS upgrade and version management, (9) GitOps on AKS (Flux, ArgoCD), (10) AKS observability (Azure Monitor for containers, Managed Prometheus). Provides: AKS Automatic vs Standard comparison, Karpenter setup, workload-identity recipes, KEDA scaler patterns, and an end-to-end AKS Automatic deployment guide.

ADF + Databricks 2025 integration patterns. PROACTIVELY activate for: (1) Databricks Job activity in ADF, (2) DatabricksJob (preview) vs DatabricksNotebook activity, (3) ServiceNow V2 connector, (4) ADF managed identity authentication for Databricks, (5) Databricks serverless linked services, (6) Snowflake V2 connector, (7) Databricks job parameters and outputs, (8) MFA enforcement and authentication updates, (9) Unity Catalog integration, (10) Delta Live Tables orchestration from ADF. Provides: Databricks linked service templates (PAT, MSI, serverless), DatabricksJob activity examples, parameter passing recipes, and authentication migration guidance.

Microsoft Defender for DevOps integration with Azure Pipelines. PROACTIVELY activate for: (1) adding security scanning to a pipeline, (2) Microsoft Security DevOps task (MSDO), (3) SAST tools (CredScan, ESLint, BinSkim, Bandit, Semgrep), (4) dependency scanning (Dependency-Check, Snyk), (5) container image scanning (Trivy, Defender for Containers), (6) IaC scanning (Checkov, Terrascan), (7) secret scanning, (8) SARIF results upload, (9) Defender for Cloud connector setup, (10) compliance reporting and policy gates. Provides: MSDO task YAML, scanner enable/disable matrix, SARIF integration, Defender connector setup steps, and a quality-gate template.

ADF + Microsoft Fabric / OneLake 2025 integration. PROACTIVELY activate for: (1) Fabric Lakehouse connector in ADF, (2) Fabric Warehouse connector in ADF, (3) OneLake shortcuts and cross-workspace data, (4) Invoke Pipeline activity for cross-platform orchestration (ADF -> Fabric, Fabric -> ADF), (5) copying data between ADF and Microsoft Fabric workspaces, (6) authenticating with Fabric workspace identity, (7) cross-platform parameter passing, (8) hybrid ADF + Fabric pipeline patterns. Provides: Fabric connector setup, Invoke Pipeline templates, OneLake shortcut patterns, and ADF-to-Fabric migration guidance.

Azure DevOps Sprint 254-262 new features and enhancements (2025). PROACTIVELY activate for: (1) checking what is new in recent Azure DevOps sprints, (2) using new pipeline tasks introduced in Sprint 254+, (3) Azure Boards updates (delivery plans, query enhancements), (4) Azure Repos updates (branch policies, advanced security), (5) Azure Pipelines updates (1ES hosted pools, agent retirement), (6) Azure Artifacts updates (upstream sources, retention), (7) deprecation notices (TFVC, classic pipelines), (8) GitHub Advanced Security for ADO. Provides: sprint-by-sprint changelog, new feature reference, deprecation timeline, and migration notes.

Tailwind CSS advanced layout techniques including CSS Grid and Flexbox patterns. PROACTIVELY activate for: (1) building complex layouts with CSS Grid, (2) grid-template-areas via Tailwind v4 arbitrary values, (3) responsive grid (grid-cols-*, auto-fit, minmax), (4) Flexbox patterns (flex-1, flex-grow, gap), (5) sticky headers and footers, (6) holy grail layout, (7) masonry-style layouts, (8) container queries (@container) with Tailwind, (9) subgrid usage, (10) aspect-ratio utilities, (11) magazine-style multi-column layouts. Provides: Grid template recipes, container-query patterns, holy-grail templates, masonry alternatives, and aspect-ratio examples.

Tailwind CSS animations and transitions including built-in utilities and custom keyframes. PROACTIVELY activate for: (1) animate-* utilities (spin, ping, pulse, bounce), (2) custom @keyframes via @theme animate, (3) transition utilities (transition, duration, ease), (4) transforms (scale, rotate, translate) with transition, (5) prefers-reduced-motion: reduce, (6) Framer Motion / Motion One integration with Tailwind, (7) CSS scroll-driven animations (animation-timeline), (8) view transitions API with Tailwind, (9) hover, focus, group-hover transitions, (10) staggered list animations. Provides: animation utility reference, custom keyframe examples, reduced-motion pattern, Framer Motion integration, and scroll-driven animation recipes.

Windows and Git Bash compatibility for ADF tooling. PROACTIVELY activate for: (1) MSYS_NO_PATHCONV usage with ADF CLI tools, (2) Git Bash path conversion when running ADF npm builds, (3) PowerShell scripts called from Git Bash for ADF, (4) Azure CLI from Git Bash on Windows for ADF deployments, (5) ARM template export issues on Windows, (6) ADF utilities npm package on Windows, (7) line-ending issues in JSON pipeline definitions. Provides: MSYS env-var recipes, npm-on-Windows fixes, PowerShell-from-bash patterns, and Azure CLI auth on Git Bash.