ci: add setup-go action to build-docker job (#861) #562

	name: Docker Main
	permissions:
	contents: read
	on:
	push:
	branches:
	- main

	jobs:
	publish:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
	with:
	fetch-depth: 0

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@9dc751fe249ad99385a2583ee0d084c400eee04e
	with:
	# list of Docker images to use as base name for tags
	images: \|
	pomerium/ingress-controller
	# generate Docker tags based on the following events/attributes
	tags: \|
	type=ref,event=branch
	type=sha

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226

	- name: Login to DockerHub
	uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
	with:
	username: ${{ secrets.DOCKERHUB_USER }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build
	run: make build-ci

	- name: Docker Publish - Main
	uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
	with:
	context: .
	file: ./Dockerfile.ci
	push: true
	platforms: linux/amd64,linux/arm64
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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