Make api resilient to lack o TAG_NAME env var #4

	name: Build and Deploy v0.1.x Docker Image

	on:
	push:
	tags:
	- '*'

	env:
	REGISTRY: ghcr.io
	# github.repository as <account>/<repo>
	IMAGE_NAME: gestaogovbr/api-pgd

	jobs:
	build_and_push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Log into registry ${{ env.REGISTRY }}
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract tag name
	shell: bash
	run: echo "TAG_NAME=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_ENV

	- name: Build and push docker image LATEST
	uses: docker/build-push-action@v3
	with:
	push: true
	build-args: TAG_NAME=${{ env.TAG_NAME }}
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

	- name: Push docker image TAG
	run: \|
	docker tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG_NAME }}
	docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG_NAME }}

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