thresh

# Install (Windows)
> winget install dealer426.thresh

# Provision Python dev environment
> thresh up python-dev

Creating container environment: thresh-python-dev
Distribution: Alpine Linux 3.19
Installing: python3 pip git vim curl

✓ Environment ready in 28s

# List environments
> thresh list

NAME             STATUS    DISTRO        CPU    MEM
thresh-python-dev  Running   Alpine 3.19   0.5%   64MB

# Enter environment (platform-specific)
> thresh exec python-dev  # or: wsl -d, docker exec, nerdctl exec
(thresh-python-dev)$ python3 --version
Python 3.12.1

(thresh-python-dev)$ pip install flask
Successfully installed flask-3.0.0

# Ask GitHub Copilot to generate a blueprint
> "Create a Node.js 20 + PostgreSQL development 
   environment with TypeScript and testing tools"

# Copilot generates blueprint:
{
  "name": "fullstack-js",
  "distribution": "alpine:3.19",
  "packages": [
    "nodejs", "npm", "postgresql-client", "git"
  ],
  "postInstall": [
    "npm install -g typescript tsx jest",
    "npm install -g @types/node @types/jest"
  ],
  "environment": {
    "NODE_ENV": "development"
  },
  "ports": [
    {"container": 3000, "host": 3000}
  ]
}

# Provision it
> thresh up fullstack-js

✓ Environment ready in 32s

# Access from host browser
http://localhost:3000