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Manage multiple development server instances running in WebContainer environments. The port dropdown provides seamless switching between different preview instances and server configurations.

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Overview

When running multiple development servers or microservices, the WebContainer Preview Management system allows you to switch between different application instances with a simple dropdown interface.

Port Selection

Quick switching between server instances

Instance Management

Multiple preview environments

Status Indicators

Active preview identification

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Preview Management

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Server Instance Selection

Organized access to all running preview instances:
  • Port-based sorting - Numerical ordering of available ports
  • Active indication - Clear highlighting of current preview
  • Quick switching - One-click navigation between instances
  • Instance persistence - Maintains selection across sessions

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Complex Application Management

Handle applications with multiple server components:
  • Frontend servers - Main application interfaces
  • API servers - Backend service endpoints
  • Development tools - Additional development servers
  • Microservices - Individual service previews

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Usage Scenarios

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Common Use Cases

  • Full-stack applications - Frontend and backend servers
  • Microservice architectures - Multiple service endpoints
  • Development tooling - Build tools, testing servers
  • Multi-environment - Different configurations
Port Management: The port dropdown automatically detects and lists all available WebContainer preview instances, making it easy to switch between different parts of your application during development.