A public key is a cryptographic key that is part of a key pair used for public key cryptography. In the context of SSH (Secure Shell) and other cryptographic systems, a public key is associated with an entity (like a user or a server) and is shared openly.
Cloud-init is a multi-distribution package that handles the early initialization of cloud instances. It is commonly used in cloud computing environments to perform various tasks during the instance's first boot.
An AWS NAT Gateway is a managed service that allows instances in a private subnet to connect to the Internet while keeping them secure. It provides network address translation (NAT) for outbound traffic, allowing resources in a private subnet to access the internet while maintaining a private IP address.
AWS Identity and Access Management (IAM) is a web service provided by Amazon Web Services (AWS) that enables users to securely control access to AWS services and resources. IAM allows administrators to manage users, groups, roles, and permissions within their AWS accounts, ensuring secure and fine-grained control over who can perform specific actions and access particular resources.
Amazon CloudFront is a content delivery network (CDN) service provided by AWS. It is designed to deliver content, including web pages, videos, images, and other static or dynamic assets, to users with low latency and high data transfer speeds. CloudFront accelerates content delivery by caching it at edge locations distributed globally.
Amazon Route 53 is a scalable and highly available Domain Name System (DNS) web service provided by Amazon Web Services (AWS). It is designed to route end-user requests to globally distributed endpoints, such as web applications or resources, and effectively connects user requests to the corresponding AWS resources.
AWS RDS is a fully managed service provided by Amazon Web Services (AWS) that simplifies the setup, operation, and scaling of relational databases in the cloud.