createProxyMiddleware usage

Regex pathRewrite

Multiple regex rules

Function-based pathRewrite

Target configuration

changeOrigin option

createProxyMiddleware Usage

Target Configuration

Path Filtering

changeOrigin Option

Error Event Handler

Plugin function signature

proxyReq event subscription

proxyRes event subscription

error event subscription

Request tracking

Response classification

Response time calculation

Error data capture

Metrics storage management

Metrics accessor implementation

Import createProxyMiddleware

Import fixRequestBody

Create proxy middleware

Register fixRequestBody handler

Apply to JSON route

Apply to form route

Proper middleware ordering

Import fixRequestBody

Create proxy middleware

Configure target

Use on.proxyReq event

Apply fixRequestBody

Body-parser integration

createProxyMiddleware usage

router option

tenant-based routing

path-based routing

combined routing

changeOrigin option

createProxyMiddleware usage

router option implementation

Static routing logic

Async dynamic routing

Request header access

Error handling for invalid tenants

createProxyMiddleware usage

target configuration

pathFilter for string

pathFilter for glob

negation pattern

changeOrigin configuration

logging configuration

External upgrade handling

WebSocket lifecycle events

Upgrade request modification

WebSocket proxy configuration

HTTP proxy integration

createProxyMiddleware usage

target configuration

selfHandleResponse option

responseInterceptor usage

on.proxyRes handler

Set-Cookie header access

Domain attribute removal

Multiple cookie handling