cicd: build and push to registry #1

	name: Deploy to production

	on:
	push:
	branches: [ production ]

	# 2
	env:
	REGISTRY: "registry.digitalocean.com/tulanh/service-api"
	IMAGE_NAME: "cieto"

	# 3
	jobs:
	build_and_push:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the repo
	uses: actions/checkout@v2

	- name: Build container image
	run: docker build -t $(echo $REGISTRY)/$(echo $IMAGE_NAME):$(echo $GITHUB_SHA \| head -c7) .

	- name: Install doctl
	uses: digitalocean/action-doctl@v2
	with:
	token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}

	- name: Log in to DigitalOcean Container Registry with short-lived credentials
	run: doctl registry login --expiry-seconds 600

	- name: Remove all old images
	run: if [ ! -z "$(doctl registry repository list \| grep "$(echo $IMAGE_NAME)")" ]; then doctl registry repository delete-manifest $(echo $IMAGE_NAME) $(doctl registry repository list-tags $(echo $IMAGE_NAME) \| grep -o "sha.*") --force; else echo "No repository"; fi

	- name: Push image to DigitalOcean Container Registry
	run: docker push $(echo $REGISTRY)/$(echo $IMAGE_NAME):$(echo $GITHUB_SHA \| head -c7)

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