add temporary workflow #1

	name: Build and Push Docker Image

	on:
	pull_request:
	branches:
	- main

	jobs:
	build_and_publish_docker_images:
	name: "Build and Push Docker Images"
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Setup
	uses: actions/setup-java@v3
	with:
	java-version: 17 # Spring 3 needs at least java 17
	distribution: temurin
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build Docker Images
	run: ./gradlew dockerTag -PbuildVersion=2.5.6
	- name: Push Docker Images
	run: \|
	docker login -u ${{ secrets.DOCKER_HUB_USER }} -p ${{ secrets.DOCKER_HUB_PASSWORD }}
	docker push inspectit/inspectit-ocelot-eum-server:2.5.6

Provide feedback