Update file doc/introducao.md #17

	name: Build

	on:
	push:
	branches:
	- 1.10
	- 2.2
	- 2.6
	workflow_dispatch:

	jobs:
	push-image:
	runs-on: ubuntu-22.04
	permissions:
	contents: read
	packages: write
	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Log in to the Container Registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v3
	with:
	context: .
	file: .docker/mkdocs/Dockerfile
	target: prod
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	build-args: BUILD_COMMIT_SHA=${{ github.sha }}

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