AWS ECS Deploy Containerized Flask Application

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Overview

1. Create an AWS Account
2. Install and Configure AWS CLI
3. Install Docker
4. Create or clone flask application with a Dockerfile
5. Create Docker Image from Dockerfile
6. Run and View Docker Image Locally
7. Create Repository in ECS Registry

Create Docker Image from Dockerfile

• Execute the command below from the root directory of the newly created project Dockerfile
  • docker build -t my-flask-app .

Run Docker Image

• Execute the command below from the root directory of the project
  • docker run -p 80:80 my-flask-app
• View the application by navigating the to the link below
  • http//localhost:8080/

Create Repository in Elastic Container Registry

Execute the command below to create a repository in the elastic container registry

• aws ecr create-repository --repository-name my-flask-application-01.06.2021

Authenticate with newly created ECR repo

• Execute the command below to print a command used to log into the newly created ECR repository.
  • aws ecr get-login --region us-east-1 --no-include-email
• Copy the output of that command.
• Paste and run the output in the terminal.
• This will actually authenticate you with the ECR so you can push your Docker image into it.

Push to newly authenticated repo

• Execute the commands below to tag and push the image to the AWS ECR (where ACCT_ID is your own AWS account ID)
  • Execute command below to tag image
    • docker tag my-flask-app:latest ACCT_ID.dkr.ecr.us-east-1.amazonaws.com/
  • Execute command below to push image up to AWS ECR
    • docker push ACCT_ID.dkr.ecr.us-east-1.amazonaws.com/hello-world