GitHub Copilot Sandbox

Presentation materials and demo for running GitHub Copilot CLI in Docker Sandboxes and Azure Container Apps (ACA) Sandboxes.

The primary presentation was prepared for various conferences and meetups, and covers local microVM isolation, remote sandbox lifecycle automation, and Java/.NET application modernization with GitHub Copilot CLI.

Repository contents

.
├── .devcontainer/              # Copilot CLI Codespaces environment and terminal layout
├── .github/
├── assets/
├── ai-agent-sandboxing-ko.md   # Korean Marp presentation source
├── ai-agent-sandboxing-en.md   # English Marp presentation source
├── docs/                       # Demo setup, runbooks, and recovery guides
├── index.html                  # Redirect to the Korean presentation
├── LICENSE
└── README.md

Demo guides

The demo documentation index provides two complete, sequential walkthroughs:

Demo	Setup	Runbook	Validation and recovery
1. Java modernization in a Docker Sandbox	Setup	Runbook	Validation
1. .NET modernization in a Docker Sandbox	Setup	Runbook	Validation
2. Copilot CLI in an ACA Sandbox	Setup	Runbook	Validation

Open in GitHub Codespaces

GitHub Copilot CLI is preinstalled. Run it in the terminal and sign in if prompted:

copilot

Warning

New interactive Copilot sessions default to allow-all, automatically approving tool, file, and URL access, subject to organization policy. Use only trusted repositories and disposable data.

For details about the terminal-first layout, see the extension documentation.

Preview the presentation

Note

To preview the presentation, you'll need 3 terminals.

1. Install Node.js 22 or later

2. Generate an HTML presentation for English in Terminal A:

   # zsh/bash
   mkdir -p en/assets
   cp -R assets/. en/assets/
   npx --yes @marp-team/marp-cli@4 \
     --watch \
     ai-agent-sandboxing-en.md \
     --html \
     --allow-local-files \
     -o en/index.html

   # PowerShell
   New-Item -ItemType Directory -Force en/assets
   Copy-Item -Recurse -Force assets/* en/assets/
   npx --yes @marp-team/marp-cli@4 `
     --watch `
     ai-agent-sandboxing-en.md `
     --html `
     --allow-local-files `
     -o en/index.html

3. Generate an HTML presentation for Korean in Terminal B:

   # zsh/bash
   mkdir -p ko/assets
   cp -R assets/. ko/assets/
   npx --yes @marp-team/marp-cli@4 \
     --watch \
     ai-agent-sandboxing-ko.md \
     --html \
     --allow-local-files \
     -o ko/index.html

   # PowerShell
   New-Item -ItemType Directory -Force ko/assets
   Copy-Item -Recurse -Force assets/* ko/assets/
   npx --yes @marp-team/marp-cli@4 `
     --watch `
     ai-agent-sandboxing-ko.md `
     --html `
     --allow-local-files `
     -o ko/index.html

4. Run local web server in Terminal C:

   npx serve .

5. Open a web browser and navigate to http://localhost:3000 to see the presentation.