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render-docker

Automate Docker container builds and deployments on Render compute services.

Updated May 28, 2026
Search Tags:#docker#registry#blueprint#dockerfile#multistage#render#buildkit
One-click install
npx skills add https://github.com/render-oss/render-codex-plugin --skill render-docker-render-oss
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: render-docker
Source: https://github.com/render-oss/render-codex-plugin/tree/main/skills/render-docker
Command: npx skills add https://github.com/render-oss/render-codex-plugin --skill render-docker-render-oss

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Render Docker deployments streamline the process of building container images for Render, reducing manual setup and configuration overhead.

Core Features & Use Cases

  • Multi-stage Docker builds, BuildKit optimization, and private registry support to produce lean, secure images for web, worker, and cron services on Render.
  • Guidance on choosing runtime: docker vs runtime: image, wiring dockerContext, dockerfilePath, dockerCommand, and registry credentials for private registries.
  • Real-world scenarios include wiring base images, caching layers, and secure secret handling within container builds.

Quick Start

Create a minimal Render service using a Dockerfile in your repo and validate a basic build deployment.

Frequently Asked Questions about render-docker

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

FAQPage Schema
How do I deploy a Docker container on Render using a Dockerfile?▼

Deploy a Docker container on Render by configuring a compute service with runtime: docker and setting the dockerfilePath and dockerContext fields. Render automatically builds and deploys the image using your repository's Dockerfile.

What is the difference between runtime: docker and runtime: image on Render?▼

Runtime: docker builds your application from a Dockerfile in your repository, while runtime: image deploys a pre-built container image from a registry. Your choice depends on whether you need to build from source or deploy an existing image.

How do I use private base images in a Render Docker deployment?▼

Use private base images in a Render Docker deployment by configuring the registryCredential field in your blueprint. This authenticates your build process to pull secure base images from a private registry.

Can I use multi-stage Docker builds with BuildKit on Render?▼

Yes, Render supports multi-stage Docker builds and BuildKit optimization to produce lean, secure images. You can wire base images, cache layers, and handle secrets securely within your container builds.

How do I optimize Docker images for Render web and worker services?▼

Optimize Docker images for Render web, worker, and cron services by applying multi-stage builds and BuildKit caching. This reduces image size and improves deployment speed and security across your services.

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