Update README.md to mention prometheus metrics #99

	---
	name: "Build"

	on:
	push:
	branches:
	- main
	tags:
	- '*'

	jobs:
	build:
	name: "Build Docker image and push to Dockerhub"
	runs-on: ubuntu-latest
	env:
	AWS_REGION: us-east-1 # This is the region to authenticate against for public ECR repositories
	# These permissions are needed to interact with GitHub's OIDC Token endpoint.
	permissions:
	id-token: write
	contents: read
	steps:
	- uses: actions/checkout@v3

	- name: Configure AWS Credentials
	uses: aws-actions/configure-aws-credentials@v4
	with:
	role-to-assume: arn:aws:iam::118330671040:role/node-indexer-ci
	aws-region: ${{ env.AWS_REGION }}

	- name: Login to Amazon ECR
	id: login-ecr
	uses: aws-actions/amazon-ecr-login@v2
	with:
	registry-type: public

	- name: Install prerequisites for Docker build
	run: \|
	sudo apt-get update
	sudo apt-get install -y qemu-user-static

	- name: Build and push Docker images
	env:
	DOCKER_HUB_KEY: ${{ secrets.DOCKER_HUB_KEY }}
	TAG: "${{ github.ref_name == 'main' && 'latest' \|\| github.ref_name }}"
	run: \|
	make image-push

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