Fix typo in Dockerfile #108

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- main
	- dev


	jobs:
	build:
	runs-on: ubuntu-latest

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

	- name: Login to DockerHub
	run: echo "${{ secrets.DOCKER_PASSWORD }}" \| docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin

	- name: Build and push Docker image
	run: \|
	cd backend
	docker build -t "${{ secrets.DOCKER_USERNAME }}/haengsha-backend:latest" .
	docker push "${{ secrets.DOCKER_USERNAME }}/haengsha-backend:latest"

	- name: Stop Docker Container, Clean Up, Pull, Run, and Do ML in Tmux Session
	run: \|
	set +x
	echo "${{ secrets.PEM }}" > key.pem
	set -x
	chmod 600 key.pem
	ssh -i ./"key.pem" -o StrictHostKeyChecking=no ec2-user@${{ secrets.CLOUD_URL }} <<EOF
	docker stop haeng
	docker rm haeng
	echo "Removing unused Docker images..."
	docker rmi "${{ secrets.DOCKER_USERNAME }}/haengsha-backend:latest"
	echo "Pulling new image..."
	docker pull "${{ secrets.DOCKER_USERNAME }}/haengsha-backend:latest"
	docker run -d --name haeng -p 8080:8000 --env-file haengsha-env/.env "${{ secrets.DOCKER_USERNAME }}/haengsha-backend:latest"
	docker exec -it haeng /bin/bash
	tmux new-session -t 0
	bash recommendation_pipeline.sh
	tmux detach-client
	exit
	EOF

Provide feedback