Spring Boot alternative index page

Question

My app uses Spring Boot on the back end and a SPA (Angular) site on the front end. Currently I am serving the index.html page from the webapp folder, which works automatically no configuration needed. Now I integrated a build process for the front end using gulp and all the created sources are "copied" into a build directory. Now I would like to serve the index.html file from the build directory as my main page.

I tried spring.application.index=build/index.htmland some other spring boot settings, but nothing worked. I believe no code is needed from my current code base but if anything is missing let me know.

Is there a way to configure this in the applications.properties file? Do I need to create a controller for the index page? Or is there any other way to change the default behavior?

thanks

Can we know more about your configuration

bmscomp
– bmscomp

2015-06-05 21:57:12 +00:00
Commented Jun 5, 2015 at 21:57 — bmscomp
– bmscomp, Commented Jun 5, 2015 at 21:57

Steve · Accepted Answer · 2015-02-19 10:19:42Z

10

Going by the common Spring Boot properties, you should be able to modify this property:

spring.application.index=

Admittedly, I do tend to create a minimal 'home' controller with a @RequestMapping("/") anyway. :)

It's worth noting that the build directory will only be on the classpath if it's under src/main/resources. It's also worth mentioning that the contents of src/main/webapp don't get bundled into the jar automatically. src/main/resources/static is where Spring Boot will look for your static web files. As such, there are a couple of alternatives for you.

Option 1: Configure your Grunt build to output to a directory under src/main/resources/static.

Option 2: Configure your Java build tool to take the Grunt output and put it in your resources directory, so that it's on the classpath. For example, using Maven, the following would move the contents of a directory called build into your src/main/rescources/static.

<plugin>
  <artifactId>maven-resources-plugin</artifactId>
  <version>2.6</version>
  <executions>
    <execution>
      <id>copy-resources</id>
      <phase>validate</phase>
      <goals>
        <goal>copy-resources</goal>
      </goals>
      <configuration>
        <outputDirectory>${basedir}/target/classes/static</outputDirectory>
        <resources>
          <resource>
            <directory>build</directory>
            <filtering>true</filtering>
          </resource>
        </resources>
      </configuration>
    </execution>
  </executions>
</plugin>

edited Feb 19, 2015 at 10:19

answered Feb 19, 2015 at 9:09

Steve

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4 Comments

KenavR Over a year ago

I tried "/build/index.html", "build/index.html", "classpath:build/index.html" and some other versions, nothing changes. I also tried the suggested solution from - stackoverflow.com/questions/27836584/…. I will try it with a "home" controller.

KenavR Over a year ago

Ok the home controller worked, I guess I will leave at that and won't waste time to figure out why the other ways didn't, thanks.

Steve Over a year ago

I'm not sure whether they're useful alternatives, but I have added some options on how to configure the build to move the Grunt-generated resources into the right places. But if a couple of lines in a controller is working for you, then as you say, it's probably not worth spending too much time experimenting.

Changdae Park Over a year ago

Hrmm... the link you provide doesn't have any reference to the property spring.application.index?

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