Add option to manually trigger a pipeline #7

	name: AmivTex Docker Image CI

	# do this workflow ever month or on push in main
	on:
	schedule:
	- cron: '0 0 1 * *'
	workflow_dispatch:
	push:
	branches:
	- master
	- main

	jobs:

	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Setup Docker buildx
	uses: docker/setup-buildx-action@v2

	- name: Log into Docker Hub registry
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}


	- name: Build and push Docker image
	id: build-and-push
	uses: docker/build-push-action@v4
	with:
	context: .
	push: true
	tags: ${{ secrets.DOCKERHUB_USERNAME }}/amivtex:latest

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