Monolith application at two instanses:

• reddit-app - Ubuntu 16.04 (required for Ruby 2.3.8)
• reddit-db - Ubuntu 20.04

Used enviroment:

• Application code https://github.com/express42/reddit
• Ruby 2.3.8 (required by this version of the application)
• MongoDB 4.4
• Firewall rules to open ports:
  • 22 SSH connection
  • 9292 Application work port
  • 27017 Database connection

Steps:

1. Create instances:

• Set terraform vars at ./terraform/prod/terraform.tfvars
  • Required: project, public_key_path, user_ssh
  • Optional: region, zone, machine_type

mv ./terraform/prod/terraform.tfvars.example ./terraform/prod/terraform.tfvars
cd terraform/prod
terraform apply -auto-approve

2. Configure Ansible:

• Read Ansible docs to add GCE service account key.
• Set service account JSON and project id at dynamo.gcp.yml
• Set ssh private key path and ssh username at ansible.cfg

3. For deploy use site.yaml