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https://github.com/shnartho/go-serverless-api-gateway-dynamodb
A serverless web API project implemented in Golang, utilizing AWS API Gateway for endpoint management and DynamoDB.
https://github.com/shnartho/go-serverless-api-gateway-dynamodb
api-gateway aws dynamodb golang serverless
Last synced: about 6 hours ago
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A serverless web API project implemented in Golang, utilizing AWS API Gateway for endpoint management and DynamoDB.
- Host: GitHub
- URL: https://github.com/shnartho/go-serverless-api-gateway-dynamodb
- Owner: shnartho
- Created: 2023-10-28T18:09:57.000Z (about 1 year ago)
- Default Branch: main
- Last Pushed: 2023-10-29T13:54:42.000Z (about 1 year ago)
- Last Synced: 2023-10-29T19:28:07.105Z (about 1 year ago)
- Topics: api-gateway, aws, dynamodb, golang, serverless
- Language: Go
- Homepage:
- Size: 7.32 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# go-serverless-api-gateway-dynamodb
This repository contains a serverless web API project implemented in Golang, utilizing AWS API Gateway for endpoint management and DynamoDB for data storage.
## Function Call Flow
The program is structured as follows:
### Main.go
- The program starts in `main.go`.
- In `main.go`, it checks the HTTP method of the incoming request.
- If the HTTP method is "GET," it calls `handlers.GetUser`.
- If the HTTP method is "POST," it calls `handlers.CreateUser`.
- If the HTTP method is "PUT," it calls `handlers.UpdateUser`.
- If the HTTP method is "DELETE," it calls `handlers.DeleteUser`.
- For any other method, it calls `handlers.UnhandledMethod`.
### Handlers Package
- In the `handlers` package:
- `handlers.GetUser` calls functions in the `user` package to fetch user data.
- `handlers.CreateUser` calls functions in the `user` package to create a new user.
- `handlers.UpdateUser` calls functions in the `user` package to update a user's data.
- `handlers.DeleteUser` calls functions in the `user` package to delete a user.
- `handlers.UnhandledMethod` is a utility function to handle unsupported HTTP methods.
### User Package
- In the `user` package:
- `user.FetchUser` retrieves user data from a DynamoDB table.
- `user.FetchUsers` retrieves a list of users from the DynamoDB table.
- `user.CreateUser` creates a new user in the DynamoDB table.
- `user.UpdateUser` updates user data in the DynamoDB table.
- `user.DeleteUser` deletes a user from the DynamoDB table.
### Validators Package
- Additionally, the `validators` package is used to check if an email is valid or not.
### ApiResponse Package
- The `apiResponse` package is used to generate API responses with appropriate status codes and JSON bodies.
This structure outlines the flow of function calls in the program, starting from `main.go` and branching out to the functions in the `handlers`, `user`, `validators`, and `apiResponse` packages.
