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C++ cloud native development: from concept to implementation

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Release: 2024-06-01 19:26:00
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C++ Cloud native development employs microservices, containerization, orchestration, CI/CD, and observability principles. Steps include: creating C++ microservices, Dockerization, deploying to Kubernetes, CI/CD automation, and observability using Prometheus and InfluxDB. By applying these principles and tools, you can build scalable, reliable, and modern C++ cloud-native applications.

C++ cloud native development: from concept to implementation

Cloud native development: from concept to implementation

Introduction
Cloud native computing paradigm are changing software development and deployment, and C++ is playing an important role in it. This article will guide you through the concepts of C++ cloud native development and demonstrate its implementation through practical cases.

Concepts
Cloud native applications are typically built using the following principles:

  • Microservices: Applications are broken down into smaller , independent services.
  • Containerization: Services are encapsulated in containers, making them easy to package and deploy.
  • Orchestration: Containers are managed and deployed through orchestration tools such as Kubernetes.
  • Continuous Integration/Continuous Deployment (CI/CD): Code changes are automatically built, tested, and deployed to the cloud environment.
  • Observability: Collect metrics and logs to understand the performance and health of your application.

Practical Case
Let’s build a simple cloud-native application using C++, Docker, and Kubernetes.

Step 1: Create C++ microservice
Create main.cpp File:

#include <iostream>

int main() {
  std::cout << "Hello from the cloud!" << std::endl;
  return 0;
}
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Step 2: Docker microservice Service
Create Dockerfile:

FROM ubuntu:20.04

RUN apt update && apt install -y g++

WORKDIR /usr/src/app

COPY main.cpp .

RUN g++ -o main main.cpp

CMD ["./main"]
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Step 3: Deploy to Kubernetes
Create the following yaml file in the Kubernetes cluster:

apiVersion: v1
kind: Pod
metadata:
  name: hello-pod
spec:
  containers:
  - name: hello
    image: my-hello-image:latest
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Step 4: CI/CD
Use CI/CD tools such as Jenkins to automate the build, test and deployment process.

Step 5: Observability
Use tools like Prometheus to collect metrics and monitor application health. Tools such as InfluxDB can be used to store and query logs.

Conclusion
By following these steps, you have successfully built and deployed a C++ cloud native microservice. By understanding cloud native principles and using the right tools, you can build scalable, reliable, and modern applications.

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