router-go's Introduction

Router App

Running App

Start app:
```
docker-compose up --build
```
If you need run local for debugging, comment app service into docker-compose.yaml and start using run command or using debugger (F5 main.go on VSCode).
Use postman collection (Router.postman_collection.json) to test apis.

Endpoints

Service	Endpoint
Prometheus	http://localhost:9000
Grafana	http://localhost:3000
Jaeger	http://localhost:16686
Swagger UI	http://localhost:8080/index.html

How It Works

Request Flow

flowchart TD
    Req[Request] --> |1. Handle this|R
    R[Router] --> |2. Give me healthy Server based on <BR> this prefix URL and Zone AWS|SP[Server Pool]
    SP --> |3. Here is a <BR> Healthy Server|R
    R --> |4. Handle Request| HS[Healthy Server]
    HS --> |5. Here is a response |R
    R ----> |6. OK/Error |Res[Response]

HealthCheck Flow

TODO

New app to control healthcheck (all instances of this app is updating cache - race conditions and multiple calls to backends healthcheck)
Run on Kubernetes
Performance tests

Helpful Commands

# Init go lang project
go mod init github.com/ortisan/<project_name>
# Import module
go get -u <module>
# Run main
go run main.go
# Build project
go build -o <sh/exe name>
# Generate swagger
swag init -g main.go --output docs
# Send notification
awslocal sns publish --topic-arn arn:aws:sns:sa-east-1:000000000000:health-cells-topic --message 'testing' --endpoint-url=http://localhost:4566
# Read SQS Message
awslocal sqs receive-message --queue-url http://localhost:4566/000000000000/health-cells-queue --endpoint-url=http://localhost:4566

# Build and start docker-compose
sh build.sh

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