Dev Container

Purpose

Create and configure development containers — Docker-based, consistent development environments defined by a devcontainer.json and Dockerfile. Dev containers ensure all team members (and CI) use identical tools, runtimes, and configurations, eliminating "works on my machine" issues.

Agent Protocol

Trigger

Exact user phrases: "dev container", "devcontainer.json", "development container", "VS Code Dev Container", "GitHub Codespaces", "dev environment setup", "reproducible dev environment", "containerized dev", "Docker dev environment", "remote container".

Input Context

• Language runtime (Node.js, Python, Go, Rust, Java, .NET, Ruby, PHP)
• Build tools (npm, pip, cargo, maven, gradle, make, cmake)
• Services needed (PostgreSQL, Redis, MySQL, MongoDB, RabbitMQ, Elasticsearch)
• VS Code extensions required for development
• Post-create setup steps (npm install, database migrations, seed data)
• Platform (VS Code, GitHub Codespaces, JetBrains Remote, DevPod)
• Base image preference (mcr.microsoft.com/devcontainers/*, debian, ubuntu, alpine)