Spring Cloud Gateway Route URL pattern configuration

Question

I'm have implemented Spring Cloud Gateway with Eureka discovery service, everything works fine but I have seen something that I don't know how to deal with when I write the URL and if I don't put a / at the end of the URL the gateway redirects to the app directly using its actual URL (registered in Eureka).

For example:

https://example.com/bar redirect to the app URL (http://example.app.url.com:8010/bar/)
https://example.com/bar/ works as expected (it maintain the actual gateway URL)

Is there a configuration to avoid the first situation?

My configuration is the following:

spring:
  application:
    name: gateway-service
  cloud:
    gateway:
      routes:
        - id: bar-service
          uri: lb://BAR-SERVICE/
          predicates:
            - Path=/bar/**
        - id: other-service
          uri: lb://OTHER-SERVICE/
          predicates:
            - Path=/OTHER/**

Additional information:

I have a controller in every app that has '/' as an entry point (home page)
I can use java configuration instead if necessary

Any advice will be appreciated! Cheers!

jacky-neo · Accepted Answer · 2021-03-15 02:48:11Z

1

You should use RewritePath in gateway configuration. The below is sample and hope it helpful to you.

spring:
  application:
    name: gateway-service
  cloud:
    gateway:
      routes:
        - id: bar-service
          uri: lb://BAR-SERVICE/
          predicates:
            - Path=/bar/**
          filters:
            - RewritePath=/bar(?<segment>.*), /$\{segment}

answered Mar 15, 2021 at 2:48

jacky-neo

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1 Comment

Numan Medina Over a year ago

Thanks!! works like a charm! I ended with the following - RewritePath=/bar(?<segment>.*), /bar/$\{segment}

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