feat: Update Docker configuration and README.md #3

	name: Deploy to EC2

	on:
	push:
	branches:
	- main

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Build Docker image
	run: docker build -t gatos-sin-hogar-backend .

	- name: Save Docker image to a tar file
	run: docker save gatos-sin-hogar-backend > gatos-sin-hogar-backend.tar

	- name: Copy Docker image to EC2
	uses: appleboy/scp-action@v0.1.7
	with:
	host: ${{ secrets.EC2_HOST }}
	username: ${{ secrets.EC2_USER }}
	key: ${{ secrets.EC2_KEY }}
	source: 'gatos-sin-hogar-backend.tar'
	target: '~/gatos-sin-hogar-backend.tar'

	- name: SSH into EC2 and load the Docker image
	uses: appleboy/ssh-action@v0.1.7
	with:
	host: ${{ secrets.EC2_HOST }}
	username: ${{ secrets.EC2_USER }}
	key: ${{ secrets.EC2_KEY }}
	script: \|
	docker load < ~/gatos-sin-hogar-backend.tar
	docker stop gatos-sin-hogar-backend \|\| true
	docker rm gatos-sin-hogar-backend \|\| true
	docker run -d --name gatos-sin-hogar-backend -p 80:7000 gatos-sin-hogar-backend

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