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Deploying Django to AWS ECS with Terraform

Sets up the following AWS infrastructure:

  • Networking:
    • VPC
    • Public and private subnets
    • Routing tables
    • Internet Gateway
    • Key Pairs
  • Security Groups
  • Load Balancers, Listeners, and Target Groups
  • IAM Roles and Policies
  • ECS:
    • Task Definition (with multiple containers)
    • Cluster
    • Service
  • Launch Config and Auto Scaling Group
  • RDS
  • Health Checks and Logs

Want to learn how to build this?

Check out the post.

Want to use this project?

  1. Install Terraform

  2. Sign up for an AWS account

  3. Create two ECR repositories, django-app and nginx.

  4. Fork/Clone

  5. Build the Django and Nginx Docker images and push them up to ECR:

    $ cd app
    $ docker build -t <AWS_ACCOUNT_ID>.dkr.ecr.us-west-1.amazonaws.com/django-app:latest .
    $ docker push <AWS_ACCOUNT_ID>.dkr.ecr.us-west-1.amazonaws.com/django-app:latest
    $ cd ..
    
    $ cd nginx
    $ docker build -t <AWS_ACCOUNT_ID>.dkr.ecr.us-west-1.amazonaws.com/nginx:latest .
    $ docker push <AWS_ACCOUNT_ID>.dkr.ecr.us-west-1.amazonaws.com/nginx:latest
    $ cd ..
  6. Update the variables in terraform/variables.tf.

  7. Set the following environment variables, init Terraform, create the infrastructure:

    $ cd terraform
    $ export AWS_ACCESS_KEY_ID="YOUR_AWS_ACCESS_KEY_ID"
    $ export AWS_SECRET_ACCESS_KEY="YOUR_AWS_SECRET_ACCESS_KEY"
    
    $ terraform init
    $ terraform apply
    $ cd ..
  8. Terraform will output an ALB domain. Create a CNAME record for this domain for the value in the allowed_hosts variable.

  9. Open the EC2 instances overview page in AWS. Use ssh ec2-user@<ip> to connect to the instances until you find one for which docker ps contains the Django container. Run docker exec -it <container ID> python manage.py migrate.

  10. Now you can open https://your.domain.com/admin. Note that http:// won't work.

  11. You can also run the following script to bump the Task Definition and update the Service:

    $ cd deploy
    $ python update-ecs.py --cluster=production-cluster --service=production-service

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  • Dockerfile 2.6%