Node JS Corporate 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?

• What is an API?
• What is a RESTful API?
• Benefits of REST APIs
• Characteristics of REST APIs
• Common REST API methods

2. Why REST API?

• Scalability
• Flexibility
• Performance
• Interoperability
• Ease of use

3. Data Exchange Formats

• JSON
• XML
• YAML

4. JSON vs. XML

• Pros and cons of JSON
• Pros and cons of XML
• When to use JSON
• When to use XML

5. Monolith Architecture

• What is monolith architecture?
• Advantages and disadvantages of monolith architectures
• When to use a monolith architecture

6. Microservice Architecture

• What is microservice architecture?
• Advantages and disadvantages of microservice architectures
• 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