go-api-multitenant

README

CRUD Golang API Multitenancy MongoDB Fiber

Requirements

• Go installed in the system
• A running instance of postgres db
• Update the .env file with the postgres path, db and credentials

Run the following command:

go run main.go

Technologies used

• Fiber
• MongoDB

App Flow

1. App creates Server.
2. Server create Middeware and routes.
3. Server receive request.
4. Middleware find or create tenant dependencies (Service, Repository, Database).
5. Middleware attach tenant dependecies at the request.
6. Controller get tenant dependecies.
7. Controller use Service dependency.
8. Service use Repository dependency.
9. Repository use Database repository.
10. Database use tenant database.

UML diagrams

Components

graph LR
Serv(Server)  --> 
M(Middlewares) -->
DI(Dependencies) -->
C(Controllers) --> 
Svc(Services) --> 
R(Repository) -->
D(Database)

Sequence

sequenceDiagram
Server ->> Middleware: 
Middleware ->> Dependencies: 
Dependencies -->> Dependencies: 
Note right of Dependencies: Find or Create <br/> a tenant dependecies <br/> only if configured
Dependencies ->> Middleware: 
Middleware ->> Controller: 
Controller ->> Service: 
Service ->> Repository: 
Repository ->> Database: 

How Use

Configure the configurations.json file to connect to differents database per tenant.

Use the request.http to know how send request to api.

The data field can contains any schema of JSON, the api save and get without problems.