infrastructure

Create a VPC with 3 subnets , routing table , internet gateway and create a public route in the public route table created above with destination CIDR block 0.0.0.0/0 and internet gateway created above as the target

Create ec2 instance , iam role and policy , create rds instance , create dynamodb , create s3 bucket which can be accessed by ec2 profile

CREATE HOSTED ZONE FOR DOMAIN IN ROOT AWS ACCOUNT

CREATE SUBDOMAIN & HOSTED ZONE FOR DEV AWS ACCOUNT

CREATE SUBDOMAIN & HOSTED ZONE FOR PROD AWS ACCOUNT

Create IAM User for CI/CD

Create S3 bucket for CodeDeploy

Create CodeDeploy Application Resource

Create CodeDeploy Deployment Group Resource

Add/update the DNS record api.dev.yourdomainname.tld. to the public IP address of the EC2 instance when using the DEV/Prod AWS account.

Create AWS CodeDeploy appspec.yml to deploy your application on EC2 instances. The appspec.yml file should be in root of your repository.

Steps to install and setup Terraform on fedora

- Run the following commands to install

     1.   sudo dnf install -y dnf-plugins-core
     2.   sudo dnf config-manager --add-repo https://rpm.releases.hashicorp.com/fedora/hashicorp.repo
     3.   sudo dnf -y install terraform

- Enable tab complettion

     4.   terraform -install-autocomplete

- Build the infrastructure

     5. Configure aws CLI 
     6. Create the directory for your terraform files
     7. create a terraform file for eaxample "test_vpc.tf"
     8. create a var_def.tf file , it contains variable definition for all the input variables
     9. create variables.tfvars , assign values to the variables defined in this file
     10. Initialize the terraform directory , run following command
         - terraform init
     11. Format and validate the configuration
         - terraform fmt
     12. terraform validate to chekc any syntax errors
         - terraform validate -var-file="variables.tfvars"
     13. Build infrastructure 
         - terraform apply -var-file="variables.tfvars"
     14. Create another VPC 
         - switch to new terraform workspace
             - terraform workspace new workspace_name
             - terraform apply -var-file="variables.tfvars"
     15. Destroy the created infrastructure
             - terraform destroy -var-file="variables.tfvars"

- Import certificates into aws certificate manager

# Refer the Link to view the prerequisites for importing a certificate 
    - https://docs.aws.amazon.com/acm/latest/userguide/import-certificate-prerequisites.html

# Refer the link to view the certificate format
    - https://docs.aws.amazon.com/acm/latest/userguide/import-certificate-format.html

# Refer this link to view the different ways to import certificate into aws certificate manager
    - https://docs.aws.amazon.com/acm/latest/userguide/import-certificate-api-cli.html
    
# Command to import the certificate from CLI

    - $ aws acm import-certificate --certificate fileb://Certificate.pem \
        --certificate-chain fileb://CertificateChain.pem \
        --private-key fileb://PrivateKey.pem