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README.md

Template: java11-vert-x

The Java11-Vert.x template uses gradle as a build system.

Gradle version: 4.8.1

Structure

There are two projects which make up a single gradle build:

  • function - (Library) your function code as a developer, you will only ever see this folder
  • entrypoint - (App) Vert.x HTTP server

Handler

The handler is written in the ./src/main/java/com/openfaas/function/Handler.java folder

Tests are supported with junit via files in ./src/test

External dependencies

External dependencies can be specified in ./build.gradle in the normal way using jcenter, a local JAR or some other remote repository.

Serve a "pure" static html web application

This template allow you to serve static html assets (eg: single page application)

First, update your yaml deployment file:

You only need to add to the environment key, a FRONTAPP variable (with a value set to true)

environment:
  FRONTAPP: true

Then add assets in the webroot directory

Put your static assets in this directory: /src/main/resources/webroot

If FRONTAPP is set to false (or does not exist), it's the Handler instance that serves the data.

Deployment yaml file sample:

provider:
  name: faas
  gateway: http://openfaas.test:8080
functions:
  hello-vert-x:
    lang: java11-vert-x
    environment:
      FRONTAPP: true
    handler: ./function
    image: registry.test:5000/hello-vert-x:latest