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Actualizo README

Actualizo README #2

Workflow file for this run

name: GitHub Container Registry
# Configures this workflow to run every time a change is pushed to the branch called `main`.
on:
push:
branches: ['main']
# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
build-and-push-image:
runs-on: ubuntu-latest
strategy:
matrix:
include:
- dockerfile: ./Dockerfile
tag: latest
permissions:
contents: read
packages: write
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
# Uses the `docker/login-action` action to log in to the Container registry using the account and
# password that will publish the packages. Once published, the packages are scoped to the account defined here.
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
# This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and
# labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be
# referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: ghcr.io/${{ github.actor }}/${{ github.event.repository.name }}
tags: ${{ matrix.tag }}
# This step uses the `docker/build-push-action` action to build the image, based on your repository's
# `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
# It uses the `context` parameter to define the build's context as the set of files located in the specified path.
# For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the
# `docker/build-push-action` repository.
# It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
- name: Build and push Docker image
uses: docker/build-push-action@v5
with:
context: .
file: ${{ matrix.dockerfile }}
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
# https://docs.docker.com/build/cache/backends/gha/#using-dockerbuild-push-action
cache-from: type=gha
cache-to: type=gha,mode=max