Do not reinvent the wheel
As a dev we are responsible in delivering value over number of lines of code, that is our focus. Do not develop a tool from zero when there are tons of them out there that cover your needs.
Thoughts on DynamoDB, 10 years later
10 years has passed since its launch and it continues to be a highly reliable NoSQL database service that fits in almost every scenario.
Your own GeoIP service 2/2: Lambda + API Gateway
My own endpoint which will receive an IP as query parameter and it will return location info such as country and city
Your own GeoIP service 1/2: Maxmind GeoIP + AWS SAM
My own endpoint which will receive an IP as query parameter and it will return location info such as country and city