dotnet-kafka-cqrs

.NET microservice that comply with the CQRS and Event Sourcing pattern, that means:

• Command
• Event
• Query Technologies: Docker, MS SQL Server, MongoDB, Apache Kafka.

Setup

1. NET 6 SDK

• Download dotnet 6.0

2. IDE or Code Editor

• VS Code
• Visual Studio Community Edition
• Rider

3. VS Code Extensions

• C# for Visual Studio Code
• NuGet Package Manager
• MS SQL Server

4. Postman

• Download Postman

5. Docker

• Download for Mac or Windows
• Download for Linux Ubuntu
• Download for Linux Debian
• Download for Linux CentOS
• Download for Linux Fedora

# Once installed, check Docker version:
docker --version

6. Create Docker Network - techbankNet

# Run following command in docker
docker network create --attachable -d bridge mydockernetwork

7. Install or init docker compose

• Download Docker Compose

8. Apache Kafka

• Create docker-compose.yml file with contents:

version: "3.4"

services:
  zookeeper:
    image: bitnami/zookeeper
    restart: always
    ports:
      - "2181:2181"
    volumes:
      - "zookeeper_data:/bitnami"
    environment:
      - ALLOW_ANONYMOUS_LOGIN=yes
  kafka:
    image: bitnami/kafka
    ports:
      - "9092:9092"
    restart: always
    volumes:
      - "kafka_data:/bitnami"
    environment:
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
      - ALLOW_PLAINTEXT_LISTENER=yes
      - KAFKA_LISTENERS=PLAINTEXT://:9092
      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092
    depends_on:
      - zookeeper

volumes:
  zookeeper_data:
    driver: local
  kafka_data:
    driver: local
   
networks:
  default:
    name: mydockernetwork
    external: true

• Then run by executing the following command:

docker-compose up -d

9. MongoDB

• Run in Docker:

docker run -it -d --name mongo-container \
-p 27017:27017 --network mydockernetwork \
--restart always \
-v mongodb_data_container:/data/db \
mongo:latest

• Download Client Tools – Robo 3T

10. Microsoft SQL Server

• Run in Docker:

docker run -d --name sql-container \
--network mydockernetwork \
--restart always \
-e 'ACCEPT_EULA=Y' -e 'SA_PASSWORD=$tr0ngS@P@ssw0rd02' -e 'MSSQL_PID=Express' \
-p 1433:1433 mcr.microsoft.com/mssql/server:2017-latest-ubuntu