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renderinc
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render-networking

Configure private networking between Render services for internal DNS and discovery.

Updated Apr 14, 2026
Search Tags:#troubleshooting#blueprints#service-discovery#cross-service#private-networking#internal-dns#hostnames
One-click install
npx skills add https://github.com/renderinc/render-codex-plugin --skill render-networking
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: render-networking
Source: https://github.com/renderinc/render-codex-plugin/tree/main/skills/render-networking
Command: npx skills add https://github.com/renderinc/render-codex-plugin --skill render-networking

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Render's private network enables services to talk to each other without exposing traffic on the public internet. It covers internal DNS, service discovery, and secure cross-service communication, with guidance on environment isolation and private routing.

Core Features & Use Cases

  • Private connectivity: internal DNS and hostname resolution across services in the same region/workspace.
  • Service discovery and cross-service communication, with discovery patterns for scalable architectures.
  • Guidance on architecture patterns, port usage, and environment isolation including AWS PrivateLink considerations.

Quick Start

Enable the private network for your services in the same region and workspace and verify internal hostnames resolve.

Frequently Asked Questions about render-networking

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enable private networking for service-to-service communication on Render?▼

Private networking connects Render services within the same region and workspace without exposing public internet traffic. You can enable it to allow internal DNS resolution and secure cross-service communication between your deployed instances.

What is internal DNS and how does service discovery work in a private network?▼

Internal DNS provides hostname resolution for Render services within a private network. Service discovery uses these internal hostnames to enable scalable cross-service communication and multi-instance discovery without routing traffic externally.

Can I use AWS PrivateLink for environment isolation in my Render workspace?▼

AWS PrivateLink considerations are supported for environment isolation depending on your workspace tier. It enables private routing and network isolation to secure cross-service communication within your Render infrastructure.

What are the requirements for cross-service communication and port usage in Render private networking?▼

Cross-service communication requires services to be deployed in the same region and workspace. The private network provides port usage guidance and internal hostname resolution to establish connectivity between your Render services.

Why are my internal hostnames not resolving between Render services?▼

Internal hostname resolution fails if services are not in the same region or workspace. Private networking requires both services to have the network enabled to successfully resolve internal DNS and establish cross-service communication.

Does render-networking support multi-instance discovery for scalable architectures?▼

Yes, Render private networking supports multi-instance discovery through internal DNS and hostname resolution. It provides discovery naming patterns to enable scalable architectures and reliable cross-service communication within a single workspace.

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