n8n Environment Variables for Self-Hosted Deployments
Short answer: Keep public URLs, encryption settings, database values, and execution settings in a documented environment layer. Change one group…
n8n Execute Workflow Node and Sub-Workflow Design
Short answer: Put repeated work in a sub-workflow. Pass a small, documented input object. Return a predictable output. Keep ownership,…
n8n Error Trigger Workflows: Catch, Notify, and Retry
Short answer: Start an error workflow with the Error Trigger. Record the failed workflow, execution, node, and message. Notify an…
n8n IF vs Switch Nodes: Choosing Branching Logic
Short answer: Use IF for one true path and one false path. Use Switch when one value can select among…
n8n Set Node Data Mapping: Fields, Expressions, and JSON
⚡ n8n Workflow Automation Set node n8n Set Node Data Mapping: Fields, Expressions, and JSON Shape the data before the…
n8n HTTP Request Node: Authentication, Parameters, and Pagination
⚡ n8n Workflow Automation HTTP Request node n8n HTTP Request Node: Authentication, Parameters, and Pagination Build one reliable API request…
