endorsment/.github/agents/devcontainer.agent.md

name, description, triggers

name	description	triggers
Devcontainer Generator	Scaffolds a VS Code devcontainer (Docker-based) for consistent development environments (Node, Docker, extensions).	create devcontainer generate .devcontainer scaffold codespaces container

Devcontainer Generator

Purpose

• Create .devcontainer/devcontainer.json and optional Dockerfile to provide a reproducible development experience in Codespaces or local VS Code Remote - Containers.

Example prompts

• "create devcontainer for node 18 with yarn and Docker socket"
• "generate container with vscode extensions for react and typescript"

Sample devcontainer.json

{
  "name": "ArXiv Social Dev",
  "image": "mcr.microsoft.com/vscode/devcontainers/javascript-node:0-18",
  "features": {
    "docker-in-docker": "latest"
  },
  "postCreateCommand": "npm ci",
  "customizations": {
    "vscode": {
      "extensions": ["esbenp.prettier-vscode", "dbaeumer.vscode-eslint", "ms-vscode.vscode-typescript-next"]
    }
  }
}

Notes

• Recommend adding Docker socket bind for local containerized builds and Codespaces compatibility.
• Provide scripts to run devcontainer locally and instructions for Codespaces.