VPC

VPCs allows us to have network isolation for our resources. VPCS have internet gateways which gives resources in the VPC seamless connection to the internet We also have NAT Gateways which facilitates outbound internet traffic for resources in private subnets while preserving their anonymity and security. We have NACL as a firewall at the subnet level. VPC Flow Logs to get extra data on how to capture info about IP going into the VPC. Continue reading

Route 53

Route 53 is a high available DNS service we use in order to register domains and create hosted zones that determine how you want to route traffic for a domain and its subdomains. We have public hosted zones we use in order to manage public domain names accessible over the internet. We have private hosted zones in order to that is used for internal DNS resolution within a network. We can create several records as subdomains and use them to direct traffic to different IPs. Continue reading

AWS RDS

Amazon RDS offers a multitude of features that can significantly enhance our application leveraging a relational database. These include capabilities such as read replicas for improved performance, Multi-AZ deployment for robust disaster recovery, support for multiple database engines, and automated functionalities like patching, backups, and scaling. In terms of security, RDS provides IAM database authentication for access control, SSL/TLS encryption for secure transit of data, and KMS for encryption at rest. Continue reading

AWS ALB

An Application that is fronted by an ALB, auto-scaling groups implemented in both availability zones, cross zone balancing feature is implemented which means we are directing traffic based on instance level not on an AZ level. This AZ implements health check and terminates any instance that is unhealthy. SNI( server name indication) is implemented so that we can handle and encrypt in-flight traffic going to different domains. Port 80 is the only listener as its type of traffic so we only accept http traffic. Continue reading

mobile web app progress

Ive been working on a mobile application with alot of functionality. At the moment I am currently working on the load money functionality wehre i select a bank where I will deposit money… mobile-app the other functionalities that it will implement are listed below Registration and Login User downloads the app and signs up. Verification of email or mobile number. Profile setup. Load Money(doing) Select bank or financial system. Enter the amount and authenticate. Continue reading

AWS Developer Associate

I just finished andreis AWS CDA course right now… I am going to take several practice tests and then take my CDA on march 8. Right now i feel confident on around 70% of the material. A lot of things become intuitive as you go further along with your studies.. functionality of services overlap which makes it easier then other content ive studied for in the past. Another week of studies and proper preparation should be sufficient enough. Continue reading

devOps course

Just finished this intro to devOps course. I learned alot. Great course my opinion https://www.youtube.com/watch?v=j5Zsa_eOXeY&t=3381s