Corporate Node JS Training Course

1. Overview of Node JS and its features
   • Server-side JavaScript runtime
   • Non-blocking, event-driven architecture
   • High scalability and performance
   • Large ecosystem of packages and libraries
2. Installation and setup of Node JS
   • Downloading and installing Node JS
   • Checking the Node JS installation

1. Introduction to the event-driven, non-blocking I/O model
   • Understanding event-driven architecture
   • Handling asynchronous operations
   • Non-blocking I/O operations with callbacks
2. Understanding the Node JS runtime and event loop
   • Event loop and event queue
   • Execution order in Node JS
   • Handling I/O operations with the event loop
3. Working with modules in Node JS
   • Creating and exporting modules
   • Importing and using modules
   • Core modules vs. external modules

1. Introduction to npm (Node Package Manager)
   • Package management in Node JS
   • Installing npm and verifying the installation
2. Installing and managing packages with npm
   • Installing packages locally and globally
   • Specifying dependencies in package.json
   • Updating and uninstalling packages
3. Working with package.json and managing dependencies
   • Creating and maintaining package.json
   • Managing version ranges and semantic versioning
   • Resolving and updating dependencies
4. Publishing packages to the npm registry
   • Creating an npm account
   • Publishing a package to the registry
   • Versioning and updating published packages

1. Introduction to Express JS as a web framework
   • Features and benefits of Express JS
   • Setting up an Express JS project
2. Setting up an Express JS application
   • Installing Express JS with npm
   • Creating an Express JS server
   • Configuring routes and handling requests
3. Handling routes and middleware in Express JS
   • Defining routes and route parameters
   • Handling different HTTP methods (GET, POST, etc.)
   • Using middleware functions for request processing
4. Using templates and rendering dynamic content
   • Configuring template engines (e.g., EJS, Pug)
   • Rendering dynamic content with templates
   • Passing data to templates
5. Developing RESTful APIs with Express JS
   • Designing RESTful API endpoints
   • Implementing CRUD operations with Express JS
   • Handling request validation and error responses

1. Introduction to databases in Node JS
   • Types of databases (relational, NoSQL)
   • Database concepts (tables, documents, etc.)
2. Connecting to databases (e.g., MongoDB, MySQL)
   • Installing database drivers or ORMs
   • Establishing database connections
   • Handling connection configuration
3. Performing CRUD operations using database drivers
   • Executing queries and commands
   • Inserting, updating, and retrieving data
   • Handling database errors and transactions
4. Working with ORMs or ODMs for database interaction
   • Introduction to ORMs (e.g., Sequelize, Mongoose)
   • Mapping database objects to JavaScript objects
   • Using ORM/ODM methods for data manipulation

1. Techniques for error handling in Node JS
   • Handling synchronous errors
   • Handling asynchronous errors
   • Using try-catch blocks
2. Logging and debugging tools
   • Logging errors and application events
   • Debugging techniques and best practices
   • Using debugging tools (e.g., Node JS Inspector)
3. Handling exceptions and managing errors
   • Throwing custom exceptions
   • Creating error handlers
   • Centralized error handling middleware
4. Debugging Node JS applications using the Node JS Inspector
   • Enabling Inspector for debugging
   • Using breakpoints and stepping through code
   • Inspecting variables and call stack

1. What is a REST API?

1. What is an API?
2. What is a RESTful API?
3. Benefits of REST APIs
4. Characteristics of REST APIs
5. Common REST API methods

2. Why REST API?

1. Scalability
2. Flexibility
3. Performance
4. Interoperability
5. Ease of use

3. Data Exchange Formats

1. JSON
2. XML
3. YAML

4. JSON vs. XML

1. Pros and cons of JSON
2. Pros and cons of XML
3. When to use JSON
4. When to use XML

5. Monolith Architecture

1. What is monolith architecture?
2. Advantages and disadvantages of monolith architectures
3. When to use a monolith architecture

6. Microservice Architecture

1. What is microservice architecture?
2. Advantages and disadvantages of microservice architectures
3. When to use a microservice architecture

1. Strategies for optimizing Node JS performance
   • Identifying performance bottlenecks
   • Optimizing CPU and memory usage
   • Reducing I/O latency and increasing throughput
2. Caching mechanisms and strategies
   • In-memory caching with Redis or Memcached
   • Caching static and dynamic content
   • Cache invalidation and expiration
3. Profiling and benchmarking Node JS applications
   • Profiling tools and techniques
   • Measuring execution time and memory usage
   • Analyzing performance data and identifying optimizations
4. Scaling and load-balancing techniques
   • Horizontal and vertical scaling
   • Load balancing with reverse proxies (e.g., Nginx)
   • Using clustering and process managers (e.g., PM2)

1. Understanding common security vulnerabilities in Node JS
   • Injection attacks (SQL injection, command injection)
   • Cross-site scripting (XSS) and cross-site request forgery (CSRF)
   • Security misconfigurations and insecure dependencies
2. Implementing authentication and authorization
   • User authentication with sessions or JWT
   • Password hashing and salting
   • Role-based access control (RBAC) and permissions
3. Input validation and data sanitization
   • Validating and sanitizing user input
   • Preventing code injection and XSS attacks
   • Using validation libraries (e.g., Validator.js)
4. Protecting against common web attacks (e.g., SQL injection, XSS)
   • SQL injection prevention with parameterized queries
   • Cross-site scripting prevention with output encoding
   • Implementing security headers (e.g., Content Security Policy)

1. Deploying Node JS applications to production
   • Choosing a hosting provider or server
   • Setting up the production environment
   • Deploying using FTP, SSH, or containerization
2. Configuration and environment management
   • Separating configuration from code
   • Environment-specific configurations (development, production)
   • Using environment variables
3. Containerization with Docker
   • Introduction to Docker and containers
   • Building Docker images for Node JS applications
   • Running containers and managing deployments
4. Monitoring and logging in a production environment
   • Implementing logging libraries (e.g., Winston)
   • Monitoring application health and performance
   • Using monitoring tools and dashboards (e.g., Prometheus, Grafana)

1. Industry best practices for Node JS development
   • Code formatting and style guidelines
   • Code documentation and commenting
   • Writing meaningful and descriptive commit messages
2. Code organization and project structure
   • Choosing an appropriate project structure
   • Separating concerns (models, controllers, routes)
   • Managing configuration and utility files
3. Version control with Git
   • Initializing a Git repository
   • Committing and pushing changes
   • Branching, merging, and resolving conflicts
4. Collaboration workflows and code reviews
   • Collaborating with multiple developers on a project
   • Pull requests and code review process
   • Code quality and peer feedback
5. Recommended tools and libraries for Node JS development
   • IDEs and text editors (e.g., Visual Studio Code)
   • Debugging tools and extensions
   • Useful libraries and packages for specific tasks