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Khamisi Kibet

Khamisi Kibet

Software Developer

I am a computer scientist, software developer, and YouTuber, as well as the developer of this website, spinncode.com. I create content to help others learn and grow in the field of software development.

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2 Months ago | 21 views

**Course Title:** Mastering NestJS: Building Scalable Server-Side Applications **Section Title:** Deployment and CI/CD Pipelines **Topic:** Deploy your NestJS application to a cloud provider and set up CI/CD for automated deployment.(Lab topic) **Objective:** By the end of this topic, you will be able to deploy your NestJS application to a cloud provider and set up a Continuous Integration/Continuous Deployment (CI/CD) pipeline for automated deployment. **Prerequisites:** * You have a basic understanding of NestJS and its architecture. * You have a NestJS application set up and running locally. * You have a cloud provider account (e.g., AWS, Heroku, Google Cloud). **Step 1: Choose a Cloud Provider** -------------------------------- For this lab, we will use AWS as our cloud provider. However, you can choose any cloud provider that suits your needs. * **AWS:** [https://aws.amazon.com/](https://aws.amazon.com/) * **Heroku:** [https://www.heroku.com/](https://www.heroku.com/) * **Google Cloud:** [https://cloud.google.com/](https://cloud.google.com/) **Step 2: Create an AWS Account and Set up IAM** --------------------------------------------- If you don't have an AWS account, create one by following the instructions on the AWS website. * **Create an AWS account:** [https://aws.amazon.com/premiumsupport/knowledge-center/create-aws-account/](https://aws.amazon.com/premiumsupport/knowledge-center/create-aws-account/) * **Set up IAM:** [https://docs.aws.amazon.com/IAM/latest/UserGuide/getting-started_create-admin-group.html](https://docs.aws.amazon.com/IAM/latest/UserGuide/getting-started_create-admin-group.html) **Step 3: Create an AWS Elastic Beanstalk Environment** --------------------------------------------------- Elastic Beanstalk is a service offered by AWS that allows you to deploy web applications and services without worrying about the underlying infrastructure. * **Create an Elastic Beanstalk environment:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create-environment.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create-environment.html) **Step 4: Configure Your NestJS Application for Deployment** --------------------------------------------------------- To deploy your NestJS application to AWS Elastic Beanstalk, you need to configure your application to use the AWS SDK. * **Install the AWS SDK:** `npm install aws-sdk` * **Configure your application:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/nodejs-configuration.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/nodejs-configuration.html) **Step 5: Create a CI/CD Pipeline with AWS CodePipeline** --------------------------------------------------------- AWS CodePipeline is a service that allows you to automate the build, test, and deployment of your application. * **Create a CodePipeline:** [https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html](https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html) **Step 6: Integrate Your NestJS Application with AWS CodePipeline** ---------------------------------------------------------------- To integrate your NestJS application with AWS CodePipeline, you need to create a buildspec file that defines the build and deployment process. * **Create a buildspec file:** [https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html](https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html) **Conclusion:** By following these steps, you have successfully deployed your NestJS application to AWS Elastic Beanstalk and set up a CI/CD pipeline with AWS CodePipeline. **Additional Resources:** * **AWS Elastic Beanstalk documentation:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/Welcome.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/Welcome.html) * **AWS CodePipeline documentation:** [https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html](https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html) **Leave a comment or ask for help if you have any questions or need further assistance.**
Course

Mastering NestJS: Building Scalable Server-Side Applications

**Course Title:** Mastering NestJS: Building Scalable Server-Side Applications **Section Title:** Deployment and CI/CD Pipelines **Topic:** Deploy your NestJS application to a cloud provider and set up CI/CD for automated deployment.(Lab topic) **Objective:** By the end of this topic, you will be able to deploy your NestJS application to a cloud provider and set up a Continuous Integration/Continuous Deployment (CI/CD) pipeline for automated deployment. **Prerequisites:** * You have a basic understanding of NestJS and its architecture. * You have a NestJS application set up and running locally. * You have a cloud provider account (e.g., AWS, Heroku, Google Cloud). **Step 1: Choose a Cloud Provider** -------------------------------- For this lab, we will use AWS as our cloud provider. However, you can choose any cloud provider that suits your needs. * **AWS:** [https://aws.amazon.com/](https://aws.amazon.com/) * **Heroku:** [https://www.heroku.com/](https://www.heroku.com/) * **Google Cloud:** [https://cloud.google.com/](https://cloud.google.com/) **Step 2: Create an AWS Account and Set up IAM** --------------------------------------------- If you don't have an AWS account, create one by following the instructions on the AWS website. * **Create an AWS account:** [https://aws.amazon.com/premiumsupport/knowledge-center/create-aws-account/](https://aws.amazon.com/premiumsupport/knowledge-center/create-aws-account/) * **Set up IAM:** [https://docs.aws.amazon.com/IAM/latest/UserGuide/getting-started_create-admin-group.html](https://docs.aws.amazon.com/IAM/latest/UserGuide/getting-started_create-admin-group.html) **Step 3: Create an AWS Elastic Beanstalk Environment** --------------------------------------------------- Elastic Beanstalk is a service offered by AWS that allows you to deploy web applications and services without worrying about the underlying infrastructure. * **Create an Elastic Beanstalk environment:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create-environment.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create-environment.html) **Step 4: Configure Your NestJS Application for Deployment** --------------------------------------------------------- To deploy your NestJS application to AWS Elastic Beanstalk, you need to configure your application to use the AWS SDK. * **Install the AWS SDK:** `npm install aws-sdk` * **Configure your application:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/nodejs-configuration.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/nodejs-configuration.html) **Step 5: Create a CI/CD Pipeline with AWS CodePipeline** --------------------------------------------------------- AWS CodePipeline is a service that allows you to automate the build, test, and deployment of your application. * **Create a CodePipeline:** [https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html](https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html) **Step 6: Integrate Your NestJS Application with AWS CodePipeline** ---------------------------------------------------------------- To integrate your NestJS application with AWS CodePipeline, you need to create a buildspec file that defines the build and deployment process. * **Create a buildspec file:** [https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html](https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html) **Conclusion:** By following these steps, you have successfully deployed your NestJS application to AWS Elastic Beanstalk and set up a CI/CD pipeline with AWS CodePipeline. **Additional Resources:** * **AWS Elastic Beanstalk documentation:** [https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/Welcome.html](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/Welcome.html) * **AWS CodePipeline documentation:** [https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html](https://docs.aws.amazon.com/codepipeline/latest/userguide/welcome.html) **Leave a comment or ask for help if you have any questions or need further assistance.**

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Mastering NestJS: Building Scalable Server-Side Applications

Course

Objectives

  • Understand the fundamentals of NestJS and its architecture.
  • Build RESTful APIs using NestJS with TypeScript.
  • Implement dependency injection and service providers in NestJS.
  • Work with databases using TypeORM and handle data with DTOs.
  • Master error handling, validation, and security best practices in NestJS applications.
  • Develop microservices and WebSocket applications using NestJS.
  • Deploy NestJS applications to cloud platforms and integrate CI/CD pipelines.

Introduction to NestJS and Development Environment

  • Overview of NestJS and its benefits in modern application development.
  • Setting up a NestJS development environment (Node.js, TypeScript, and Nest CLI).
  • Understanding the architecture of a NestJS application.
  • Exploring modules, controllers, and providers.
  • Lab: Set up a NestJS development environment and create your first NestJS project with a simple REST API.

Controllers and Routing

  • Creating and configuring controllers in NestJS.
  • Understanding routing and route parameters.
  • Handling HTTP requests and responses.
  • Implementing route guards for authentication.
  • Lab: Build a basic RESTful API with multiple endpoints using controllers and routing in NestJS.

Dependency Injection and Service Providers

  • Understanding dependency injection in NestJS.
  • Creating and using services for business logic.
  • Managing providers and module imports.
  • Using custom providers for advanced use cases.
  • Lab: Implement a service to handle business logic for a RESTful API and inject it into your controllers.

Working with Databases: TypeORM and Data Transfer Objects (DTOs)

  • Integrating TypeORM with NestJS for database management.
  • Creating database entities and migrations.
  • Handling data with DTOs for validation and transformation.
  • Performing CRUD operations using repositories.
  • Lab: Build a data model for a blog application, implementing CRUD operations using TypeORM and DTOs.

Error Handling and Validation

  • Best practices for error handling in NestJS applications.
  • Using built-in exception filters and custom exception handling.
  • Implementing validation pipes for data validation.
  • Understanding validation decorators and validation schemas.
  • Lab: Create a robust error handling and validation system for your RESTful API.

Security Best Practices in NestJS

  • Implementing authentication and authorization (JWT and Passport).
  • Securing routes and handling user roles.
  • Understanding CORS and security headers.
  • Best practices for securing sensitive data.
  • Lab: Implement JWT authentication and role-based access control for your RESTful API.

Microservices with NestJS

  • Introduction to microservices architecture.
  • Building microservices with NestJS using message brokers (e.g., RabbitMQ, Kafka).
  • Implementing service discovery and inter-service communication.
  • Handling data consistency and transactions in microservices.
  • Lab: Develop a simple microservices application with NestJS and RabbitMQ for inter-service communication.

WebSockets and Real-Time Applications

  • Understanding WebSockets and their use cases.
  • Implementing real-time features in NestJS applications.
  • Using the Socket.IO library with NestJS.
  • Building chat applications and real-time notifications.
  • Lab: Create a real-time chat application using WebSockets in NestJS.

Testing and Debugging in NestJS

  • Importance of testing in software development.
  • Writing unit tests for services and controllers with Jest.
  • Using e2e tests to validate API functionality.
  • Debugging techniques and tools in NestJS.
  • Lab: Write unit tests for your existing NestJS application to ensure code quality.

Performance Optimization and Caching

  • Best practices for optimizing NestJS applications.
  • Implementing caching strategies with Redis.
  • Analyzing performance bottlenecks and profiling your application.
  • Using middleware for logging and monitoring.
  • Lab: Implement caching for your API responses using Redis to improve performance.

Deployment and CI/CD Pipelines

  • Preparing NestJS applications for production deployment.
  • Deploying NestJS applications to cloud platforms (AWS, Heroku, etc.).
  • Setting up CI/CD pipelines with GitHub Actions or GitLab CI.
  • Managing environment variables and configurations.
  • Lab: Deploy your NestJS application to a cloud provider and set up CI/CD for automated deployment.

Final Project and Advanced Topics

  • Reviewing advanced topics: GraphQL integration, serverless architecture.
  • Exploring NestJS modules and community libraries.
  • Final project overview and expectations.
  • Q&A and troubleshooting session for final projects.
  • Lab: Begin working on the final project that integrates learned concepts into a complete NestJS application.

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