deploy containarized backend to EC2 through cd-pipeline #6

	name: deploying the backend to vm

	on:
	push:
	branches: [main]

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- name: checkout the code
	uses: actions/checkout@v2

	- name: docker login
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: build and push to dockerhub
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./docker/Dockerfile.backend
	push: true
	tags: ${{ secrets.DOCKERHUB_USERNAME }}/todo_app_be:${{ github.sha }}

	- name: ssh into vm and run docker images
	run: \|
	echo "${{ secrets.SSH_PRIVATE_KEY }}" >& ~/ssh_key
	chmod 700 ~/ssh_key
	ssh -o StrictHostKeyChecking=no -i ~/ssh_key ubuntu@${{ secrets.VM_HOST }} << 'EOF'
	echo "hello world"

	if ! docker network inspect finno_be_network >/dev/null 2>&1; then
	docker network create finno_be_network
	fi

	if ! docker volume inspect finno_be_volume >/dev/null 2>&1; then
	docker volume create finno_be_volume
	fi

	if [ -z "$(docker ps -q -f name=mongo)" ]; then
	docker run -d --name mongo -p 27017:27017 \
	--network finno_be_network -v finno_be_volume:/data/db mongo
	fi

	docker pull ${{ secrets.DOCKERHUB_USERNAME }}/finno_be:${{ github.sha }}

	if [ "$(docker ps -a -q -f name=finno_be)" ]; then
	docker rm -f finno_be
	fi

	docker run -d --name finno_be --network finno_be_network \
	-p 3000:3000 ${{ secrets.DOCKERHUB_USERNAME }}/finno_be:${{ github.sha }}

	docker image prune --all --force

	EOF

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