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setup rbenv/ruby-build for ruby projects #5

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10 changes: 10 additions & 0 deletions README.md
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Expand Up @@ -158,6 +158,15 @@ npm install
docker compose up -d
```

For Ruby projects, install your Ruby version in the runtime script:

```bash
# your-project/.agent-vm.runtime.sh
rbenv install 3.3.0 --skip-existing
rbenv local 3.3.0
bundle install
```

### MCP servers

The base VM comes with [Chrome DevTools MCP](https://github.com/ChromeDevTools/chrome-devtools-mcp) pre-configured for Claude, giving the agent headless browser access.
Expand Down Expand Up @@ -201,6 +210,7 @@ Each VM is fully isolated — agents must authenticate independently inside thei
|----------|----------|
| Core | git, curl, wget, jq, build-essential, unzip, zip |
| Python | python3, pip, venv |
| Ruby | rbenv, ruby-build (no version pre-installed) |
| Node.js | Node.js 24 LTS (via NodeSource) |
| Search | ripgrep, fd-find |
| Utilities | htop, GitHub CLI (gh) |
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17 changes: 16 additions & 1 deletion agent-vm.setup.sh
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Expand Up @@ -23,11 +23,26 @@ sudo apt-get install -y \
ripgrep fd-find htop \
unzip zip \
ca-certificates \
iptables
iptables \
libssl-dev libreadline-dev zlib1g-dev libyaml-dev libffi-dev

# Set zsh as default shell
sudo chsh -s /usr/bin/zsh "$(whoami)"

# Install rbenv + ruby-build (Ruby version manager)
echo "Installing rbenv and ruby-build..."
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build

# Auto-install bundler after every rbenv install
echo "bundler" > ~/.rbenv/default-gems

# Configure rbenv in shell
echo 'export PATH=$HOME/.rbenv/bin:$PATH' >> ~/.zshrc
echo 'eval "$(rbenv init -)"' >> ~/.zshrc
echo 'export PATH=$HOME/.rbenv/bin:$PATH' >> ~/.zshenv
echo 'eval "$(rbenv init -)"' >> ~/.zshenv

# Install Docker from official repo (includes docker compose)
echo "Installing Docker..."
sudo install -m 0755 -d /etc/apt/keyrings
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