add an option to offset port-forward port numbers #255

	name: Tyk Redis Tests

	# Controls when the workflow will run
	on:
	pull_request:
	workflow_dispatch:
	push:
	branches:
	- main

	env:
	MAX_ATTEMPTS: 3
	TIMEOUT: 30

	jobs:
	tyk-redis:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	redis:
	- redis
	- redis-cluster
	- redis-sentinel
	steps:
	- uses: actions/checkout@v4

	- name: start Minikube
	uses: medyagh/setup-minikube@latest
	with:
	kubernetes-version: v1.23.13
	extra-config: 'kubelet.max-pods=100'
	addons: 'default-storageclass,storage-provisioner,ingress'
	start-args: '--force'

	- name: Install helm
	uses: Azure/setup-helm@v4

	- name: Install newman
	run: \|
	sudo apt update && \
	sudo apt install nodejs npm -y && \
	npm install -g newman

	- name: Copy .env file
	run: cp .env.example .env

	- name: Deploy tyk-stack with ${{ matrix.redis }}
	uses: nick-invision/retry@v3
	with:
	max_attempts: ${{ env.MAX_ATTEMPTS }}
	timeout_minutes: ${{ env.TIMEOUT }}
	command: \|
	LICENSE="${{ secrets.DASH_LICENSE }}" \
	MDCB_LICENSE="${{ secrets.MDCB_LICENSE }}" \
	./up.sh -v \
	--namespace tyk-${{ matrix.redis }} \
	--redis ${{ matrix.redis }} \
	tyk-stack

	- name: Sleep 1 minute
	run: sleep 60

	- name: Test Tyk deployment
	run: newman run --folder gateway --env-var "deployment=control-plane" tyk-k8s-demo.postman_collection.json

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