fix: images/nginx/Dockerfile to reduce vulnerabilities #136

	name: Build and Push
	on:
	- push

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: "Add checkout"
	uses: actions/checkout@v2
	- name: Login to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Pull & update submodules recursively
	run: \|
	git submodule update --init --recursive
	git submodule update --recursive --remote
	- name: "Build and push"
	run: make

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