Introduction

In CodeNOW Tutorials, we provide you with a step by step guide for building an app using a specific tech stack. Our tutorials include:

• Get started with CN
• Customize
• Coding examples

Overview of all tutorials follows.

Get Started with CN

• My first app
  • Applications
  • Implementation
  • Environments
  • Deployment configurations
• My first three-tier app
  • Create a database
  • Create the API
  • Build the API
  • Connect the API to the database
  • Test the API

Customize

• Custom stacks
  • Python
    • Python/Flask
    • Python/Streamlit
    • Python/FastAPI
  • NodeJS/Express
    • Runtime environment variables
    • NodeJS/Express web applicaiton
    • NodeJS/Express API with Postgres
• Custom Keycloak theme
• Custom CI pipelines

Coding examples

• Java Micronaut
  • REST API implementation
  • PostgreSQL database connecting
  • REST Server with CockroachDB
  • Redis connecting
• Java Spring Boot
  • Simple REST API implementation
  • REST API as a microservice
  • Connecting to the PostgreSQL
  • REST server with RabbitMQ
  • REST server with Redis key-value database
  • Apache Kafka message publishing with connecting to Redis
  • Secure your REST API with Keycloak
  • Connecting to the CockroachDB
  • Tracing
  • Apache Kafka message Producer and Consumer
  • Using CQRS in Demo Reservation App
  • Using ETag in Demo Reservation App
  • Using external services for a notification app
• Javascript React
  • UI with REST HTTP call