catalog

AIM of the project is to show how different technologies can be integrated to build an application.

Business requirements

Application provides basic catalog\shopping cart functionality with the followin features:

user can register or login
anonymous user can view list of products in a catalog
authenticated user can add a product to favorites list
authenticated user can remove products from list of favorites

Design mock: https://ninjamock.com/s/LVD5BTx

Technologies

Project has monorepo structure.

CI

✅ Gitlab CI with ❓ Review Apps support
✅ K8S Gitlab Runner

Tools

✅ Makefile orchestrates build\deploy process
✅ Kustomize and ✅ Skaffold manage k8s manifests

Infrastructure

✅ Managed Kubernetes instance in Google Cloud
✅ Terraform scripts to create Kubernetes cluster
✅ Ambassador API gateway
Istio service mesh
NATS event bus
✅ CockroachDB relation database
Prometheus and Grafana metric based monitoring
Sentry application error monitoring
ELK logs viewer

Frontend

✅ React based ✅ micro frontends
✅ Webpack
✅ Lerna
✅ Material UI styles
✅ GRPC Web communication layer with backend

Backend

GRPC communication layer between services
✅ GRPC Healthcheck for K8S readiness and liveness probes

Java

✅ Java microservices based on ✅ Spring Boot
✅ Gradle

Golang

Golang microservices
Go Modules

Development environment

Configure kubectl:

PROJECT_ID=`gcloud projects list --filter="name=catalog" --format="get(project_id)"`
gcloud config set project ${PROJECT_ID}
ZONE=`gcloud container clusters list --filter="name=gke-cluster" --format="get(zone)"`
gcloud config set compute/zone ${ZONE}
gcloud container clusters get-credentials gke-cluster

nigeltiany/catalog