xbfighting / quiz

Example real time quiz application with .NET Core, DDD, Event Sourcing and Docker and built-in CI/CD

Quiz App

Simple EventSourcing example using .NET Core, React, Docker, Jenkins and K8s.

• run with docker from bash with .\run.sh

  Open http://localhost for quiz voting

  Open http://localhost?results for quiz results

• run with minikube

  • Create secrets for jenkins, database, docker registry and messagebroker .

  DB_PASS=changeit \
  DB_USER=admin \
  DB_CONNECTION="Username=admin;Password=changeit;Host=db;Port=5432" \
  REGISTRY_PASS=registrypass \
  REGISTRY_USER=registryuser \
  GITHUB_TOKEN=1111111111111111111111 \
  JENKINS_PASS=changeit \
  JENKINS_USER=admin \
  MESSAGE_BROKER="amqp://guest:guest@messagebroker:5672" \
  ./secrets.sh

  • Build, push and deploy jenkins to k8s cluster

  eval $(minikube docker-env) && \
  REGISTRY=myregistry \
  REGISTRY_PASS=$(cat secrets/registry-pass) \
  REGISTRY_USER=$(cat secrets/registry-user) \
  TAG=latest \
  JENKINS_URL=jenkins-url.com \
  GITHUB_REPO=netcorebcn\/quiz \
  GITHUB_ADMINS=mygithubuser \
  ./build-jenkins.sh

  • Add ingress hosts to local host file

  echo $(minikube ip) quiz{,-ci,-rabbit}.io | sudo tee -a /etc/hosts

  • Github integration

    • Add Integration & Service: Manage Jenkins (GitHub plugin) http://jenkins-url/github-webhook/

    • For local jenkins integration you can use ngrok

    ./ngrok http quiz-ci.io:80 -host-header=quiz-ci.io

  • Open http://quiz-ci.io for jenkins

  • Open http://quiz.io for quiz voting

  • Open http://quiz.io?results for quiz results

Notes: We aren't starting from the scratch. We are using ideas and code from other awesome repos.

• Running Jenkins in Docker

  http://container-solutions.com/running-docker-in-jenkins-in-docker/

• K8s ingress configuration for ci cd with jenkins

  https://github.com/kenzanlabs/kubernetes-ci-cd

  https://medium.com/@Oskarr3/setting-up-ingress-on-minikube-6ae825e98f82

• Marten Event Store library for .NET and postgresql

  https://github.com/JasperFx/marten

• WebSockets helper classes thanks to

  https://github.com/radu-matei/websocket-manager