Managing Third-Party Risk with Deno's Explicit Permission Model
Stop trusting third-party packages blindly. Learn how Deno's explicit permission model uses granular flags to create a least-privilege sandbox for your JavaScript code.
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Fine‑Grained Permissions in Deno: Grant, Revoke, and Secure Your Runtime
Learn how Deno’s permission system lets you grant only the access your script needs, revoke privileges at runtime, and avoid common pitfalls. A step‑by‑step example shows how to tighten security after startup.
typescriptControlling Deno File System Access with Permission Flags
Learn how to grant Deno scripts precise file‑system access with --allow-read and --allow-write flags, see a concrete example, and understand the limits and common mistakes.
Deno's Built-in TypeScript: What Happens When You Skip the Build Step
Deno runs TypeScript directly by embedding the compiler and using snapshots for fast startup. The catch: execution skips type checking, so you need a separate `deno check` step.
Netlify Edge Functions: Geo‑Based Auth at the Edge
Add JWT authentication and country‑based redirects with Netlify Edge Functions. Learn Deno limits, setup steps, and how to verify the result in 900 words.
netlifyDeno Permissions: Locking Down File and Network Access
Master Deno’s permission system—control file reads, network calls, and env vars on a per‑file basis. Walk through real commands, trade‑offs, and how to verify your own scripts.
Using Netlify Edge Handlers to Add Custom Headers at the Edge
Learn how to configure a Netlify Edge Handler to add a custom HTTP header, with a working Deno example, limits, and verification steps.
Designing Secure Deno Services with Fine‑Grained Permissions
Learn how to apply Deno’s capability‑based permission model to grant a service only the filesystem and network access it truly needs, with concrete flags, runtime checks, and failure‑mode analysis.
Deno Permission System: Architecture Note
An architecture note covering Deno’s permission system: requirements, minimal design, trust boundaries, operational checks, failure modes, and when the design would change.