---
id: wiki-2026-0508-modern-environment-ecosystem
title: Modern Environment Ecosystem
category: 10_Wiki/Topics
status: verified
canonical_id: self
aliases: [Dev Environment 2026, Modern Toolchain]
duplicate_of: none
source_trust_level: A
confidence_score: 0.9
verification_status: applied
tags: [tooling, devex, ecosystem]
raw_sources: []
last_reinforced: 2026-05-10
github_commit: pending
tech_stack:
  language: any
  framework: any
---

# Modern Environment Ecosystem

## 매 한 줄
> **"매 2026 dev environment 매 reproducible, fast, AI-assisted"**. 매 Docker (2013) → 매 nix/devcontainer/devbox → 매 Bun/Deno + AI editors (Cursor, Claude Code) 의 stack. 매 lockfile + container + AI agent 의 trinity.

## 매 핵심

### 매 layers (2026 stack)
1. **Hardware**: M-series Mac, Linux (Asahi/native), Cloud VM.
2. **OS / shell**: macOS / Linux + zsh / fish, atuin, starship.
3. **Package manager**: brew, mise, nix, devbox.
4. **Lang runtime**: Bun (1.2+), Deno (2.x), Node 22 LTS, Python 3.13 + uv, Rust 1.85.
5. **Container**: Docker Desktop, Podman, OrbStack.
6. **Editor**: Cursor, Claude Code (CLI), VSCode + Copilot.
7. **CI**: GitHub Actions, Buildkite, Dagger.

### 매 modern shifts (2025-2026)
- Bun replacing npm/pnpm/tsc/jest in many JS projects.
- uv replacing pip/poetry in Python.
- AI-first editors (Cursor, Claude Code) 매 default.
- Devcontainers (.devcontainer.json) 매 reproducible setup.

### 매 응용
1. Onboarding-day-zero — clone + 1-command setup.
2. CI parity with local.
3. Multi-repo monorepo workflows.

## 💻 패턴

### `mise` (asdf successor) for tool versioning
```toml
# .mise.toml
[tools]
node = "22.14.0"
python = "3.13.2"
bun = "1.2.0"
go = "1.23"
```

### `devcontainer.json` (VSCode / Codespaces)
```json
{
  "name": "app-dev",
  "image": "mcr.microsoft.com/devcontainers/typescript-node:22",
  "features": {
    "ghcr.io/devcontainers/features/docker-in-docker:2": {},
    "ghcr.io/devcontainers/features/git:1": {}
  },
  "postCreateCommand": "bun install",
  "customizations": { "vscode": { "extensions": ["dbaeumer.vscode-eslint"] } }
}
```

### Bun project (replaces node + npm + tsc + jest)
```bash
bun init
bun add hono
bun run dev       # built-in --watch
bun test          # built-in test runner
bun build ./src/index.ts --target=bun
```

### Python with `uv` (10-100x pip)
```bash
uv init
uv add fastapi uvicorn
uv run uvicorn main:app --reload
uv lock --upgrade
```

### Devbox (nix-based, simpler)
```json
{
  "packages": ["nodejs@22", "python@3.13", "postgresql@16"],
  "shell": { "init_hook": ["echo welcome"] }
}
```

### Claude Code as default agent
```bash
claude              # interactive
claude /init        # generate CLAUDE.md
claude /review      # review pending PR
```

### CI (GitHub Actions, modern matrix)
```yaml
jobs:
  test:
    strategy:
      matrix: { os: [ubuntu-24.04, macos-14], bun: ['1.2'] }
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: oven-sh/setup-bun@v2
        with: { bun-version: ${{ matrix.bun }} }
      - run: bun install --frozen-lockfile
      - run: bun test
```

## 매 결정 기준
| Need | Tool (2026) |
|---|---|
| JS runtime/package | Bun |
| Python deps | uv |
| Tool versioning | mise |
| Reproducible env | devcontainer / devbox |
| AI coding | Cursor / Claude Code |

**기본값**: mise + Bun (JS) + uv (Python) + devcontainer + Claude Code.

## 🔗 Graph
- 부모: [[Developer-Experience]]
- 변형: [[Devcontainers]] · [[Nix]]
- 응용: [[Monorepo]] · [[CI-CD-Pipeline]]
- Adjacent: [[Bun]] · [[Deno]] · [[uv-Python]] · [[Claude-Code]]

## 🤖 LLM 활용
**언제**: setting up new project, onboarding, CI parity.
**언제 X**: legacy frozen environments (use whatever already works).

## ❌ 안티패턴
- **Global installs**: 매 version drift.
- **Untracked tool versions**: 매 "works on my machine".
- **Skipping lockfile commits**: 매 reproducibility 매 broken.

## 🧪 검증 / 중복
- Verified (mise.jdx.dev, bun.sh, docs.astral.sh/uv, GitHub devcontainer spec).
- 신뢰도 A.

## 🕓 Changelog
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | Manual cleanup — Modern Env Ecosystem FULL with 2026 stack |
