6.1 Go to your Node.js project folder.
cd ~/environment/msg-app-backend/
6.2. Build the image docker.
docker build -t workshop-api .
6.3. Upload the local image using the ECS CLI.
ecs-cli push workshop-api
6.4. Open the Amazon ECR console to see your workshop-api repository https://console.aws.amazon.com/ecr/repositories, you will see your latest image.