Build, deploy and operate an application with Duet AI for Developers

Google Cloud
13 Dec 202307:40

TLDRIn this video, a software engineer demonstrates the process of building, testing, and deploying a simple Node.js application using Duet AI to streamline development. The video showcases the creation of app.js and test.js files, installation of necessary packages, and configuration of the Express framework. It highlights the use of Duet AI for generating boilerplate code, initializing the EJS templating engine, and writing unit tests. The deployment of the app to Google Cloud's Cloud Run is also covered, along with the explanation of logs for better issue resolution. The video emphasizes how Duet AI can enhance productivity by simplifying routine tasks and allowing developers to focus on more complex problem-solving.

Takeaways

  • ๐Ÿš€ **Streamlining Development Process**: The video discusses how Duet AI can help software engineers speed up their development process by reducing the time spent on boilerplate configurations and deployment commands.
  • ๐Ÿ”ง **Creating a Simple Node.js App**: The script provides a step-by-step guide on building, testing, and deploying a simple Node.js application using the Express framework and EJS templating engine.
  • ๐Ÿ›  **Utilizing IDEs and Extensions**: It emphasizes the importance of using an Integrated Development Environment (IDE) like VSS Code and installing necessary extensions, such as the Google Cloud code extension, to facilitate the development process.
  • ๐Ÿ“ฆ **Package Management**: The video highlights the process of installing packages like Express and EJS locally and saving them for the project, which can be done efficiently with Duet AI's assistance.
  • ๐Ÿ“‹ **Automating Configurations**: Duet AI can recommend code in-line, allowing developers to write pseudo code for configurations and have the actual code inserted automatically, which saves time and reduces errors.
  • ๐Ÿ”— **Setting Up Routes and Middleware**: The script covers setting up middleware to parse form data and creating routes, such as a POST route for greeting with a parameter for the person's name.
  • ๐Ÿ“„ **Creating Necessary Files**: It explains the creation of essential files like `app.js`, `test.js`, and `package.json`, and how Duet AI can assist in generating the required code for these files.
  • ๐Ÿ–ผ๏ธ **Developing Views**: The process of creating views for the application, including an index page with a form and a greeting page that displays the greeting message, is discussed.
  • ๐Ÿงช **Unit Testing**: The video demonstrates the ease of writing unit tests with Duet AI's help, including testing the home route and ensuring the response code is 200.
  • ๐ŸŒ **Deployment to Google Cloud**: It outlines the deployment process of the Node.js app to Google Cloud's Cloud Run, including the necessary steps and commands to make the app publicly accessible.
  • ๐Ÿ” **Log Analysis**: Duet AI's ability to help developers understand and interpret logs from the cloud application is highlighted, making it easier to address issues and optimize the app.

Q & A

  • What is the main issue the speaker faces as a software engineer?

    -The speaker finds that the need for boilerplate configurations and remembering deployment commands slows them down and takes away some of the joy of coding.

  • What is the primary goal of the video?

    -The primary goal of the video is to demonstrate how to build, test, and deploy a simple Node.js app quickly using Duet AI and within an IDE like VSS Code.

  • Which IDE does the speaker choose for the project?

    -The speaker chooses Visual Studio Code (VSS Code) as their IDE for the project.

  • What extensions are recommended to be installed for the project?

    -The Google Cloud code extension and enabling Duet AI in the project are recommended for the project.

  • Which framework is used to build the application?

    -The Express framework is used to build the application.

  • What packages are installed at the beginning of the project?

    -The Express and EJS packages are installed at the beginning of the project.

  • How does Duet AI assist in the creation of the app.js file?

    -Duet AI provides the necessary code snippets and explanations to include the installed packages and set up the initial configuration for the app.js file.

  • What is the purpose of the middleware in the app?

    -The middleware is used to parse form data and set up the home route with a post route called 'greeting' that accepts a name parameter.

  • How is the package.json file created?

    -The package.json file is created by asking Duet AI to generate one based on the existing files, and it includes the necessary dependencies and scripts.

  • What is the purpose of the unit test generated by Duet AI?

    -The purpose of the unit test is to ensure that the home route responds correctly with a status code of 200.

  • How is the app deployed to Google Cloud's Cloud Run?

    -The app is deployed to Google Cloud's Cloud Run by running a sample command provided by Duet AI, which sets the region to US Central 1 and allows unauthenticated invocations.

  • How does Duet AI assist in understanding logs?

    -Duet AI helps in understanding logs by taking a log entry and explaining it in a few bullet points, making it easier to focus on addressing the issues in the logs.

Outlines

00:00

๐Ÿš€ Streamlining Node.js Development with Duet AI

This paragraph discusses the challenges faced by software engineers in deploying applications and the role Duet AI plays in simplifying the process. It outlines the steps to build, test, and deploy a simple Node.js application using Duet AI within the VSS code IDE. The Google Cloud code extension and Duet AI are essential tools for this process. The paragraph emphasizes the creation of an app.js and a test.js file, the installation of Express and EJS packages with Duet AI's assistance, and the integration of these packages into the app.js file. It also highlights the ability of Duet AI to recommend boilerplate code and the creation of middleware for parsing form data. The setup of a home route and the initialization of the server are also covered, along with the creation of a package.json file. The paragraph concludes with the testing of the application using mpm start and the importance of unit testing.

05:01

๐Ÿงช Enhancing Testing and Deployment with Duet AI

The second paragraph delves into the unit testing of the Node.js application using Duet AI. It explains the process of making the app visible to tests by adding the module.exports = app line to app.js and generating a unit test for the home route with a status code of 200. The use of the Super Test package and Mocha test framework is mentioned, along with the update of the package.json file to include test scripts and dependencies. The paragraph then transitions to the deployment of the app on Google Cloud's Cloud Run, with Duet AI providing guidance on direct deployment and the necessary command to use. It also touches on the accessibility of the deployed app and the handling of logs with Duet AI's assistance to better understand and address issues. The paragraph concludes by encouraging viewers to learn more about Duet AI to enhance productivity in development.

Mindmap

Keywords

๐Ÿ’กSoftware Engineer

A software engineer is a professional who applies the principles of software development and computer science to the design, development, testing, and maintenance of software systems. In the context of the video, the software engineer is the main character who is looking for ways to streamline their workflow and improve their efficiency in creating and deploying a Node.js application.

๐Ÿ’กBoilerplate Configurations

Boilerplate configurations refer to the standard, reusable, and often repetitive code or settings that are used as a starting point for various projects. In the video, the software engineer finds these configurations tedious and time-consuming, which is why they seek the help of Duet AI to automate and simplify the process.

๐Ÿ’กDuet AI

Duet AI is an AI-powered tool designed to assist developers in their coding tasks by providing code suggestions, automating repetitive tasks, and offering guidance throughout the development process. In the video, Duet AI is used to help the software engineer quickly set up and deploy their Node.js application, as well as to generate unit tests and interpret logs.

๐Ÿ’กNode.js

Node.js is an open-source, cross-platform JavaScript runtime environment that enables the execution of JavaScript code outside of a web browser. It uses an event-driven, non-blocking I/O model, which makes it lightweight and efficient, ideal for building scalable network applications. In the video, the software engineer uses Node.js to create a simple web application.

๐Ÿ’กExpress Framework

The Express framework is a minimal and flexible Node.js web application framework that provides a robust set of features for building web applications and APIs. It is widely used for its simplicity and unopinionated structure, allowing developers to build their applications with ease. In the video, the software engineer chooses to use the Express framework for their application development.

๐Ÿ’กEJS Templating Engine

The EJS templating engine is a plugin for Node.js that allows developers to generate HTML markup with simple templating language. It enables the separation of logic and presentation, making it easier to maintain and update the structure and content of web pages dynamically. In the video, the software engineer uses EJS to create their application's views.

๐Ÿ’กMiddleware

Middleware in the context of web development is a layer of software that sits between the server and the client, performing actions on a request before it reaches its intended destination. It is often used for tasks such as authentication, logging, and data transformation. In the video, the software engineer sets up middleware to parse form data, which is an essential step in handling user input for their application.

๐Ÿ’กUnit Testing

Unit testing is a method of testing individual units or components of a software application to determine if they are fit for purpose. It often involves the use of automated test cases that verify the correct behavior of each unit. In the video, the software engineer uses unit tests to ensure that their application's home route is functioning correctly and returning the expected response code.

๐Ÿ’กGoogle Cloud

Google Cloud is a suite of cloud computing services offered by Google, which includes various products and tools for computing, data storage, and networking. In the video, the software engineer deploys their Node.js application to Google Cloud's Cloud Run, a fully managed platform for deploying stateless containers that enables auto-scaling and efficient resource usage.

๐Ÿ’กCloud Run

Cloud Run is a fully managed serverless platform by Google Cloud that allows developers to run stateless containers with automatic scaling and management. It enables applications to be deployed without the need to manage infrastructure, making it an efficient solution for hosting web applications and services. In the video, the software engineer's application is deployed to Cloud Run, showcasing its use for production deployment.

๐Ÿ’กLog Analysis

Log analysis is the process of examining log files generated by applications and systems to identify issues, understand usage patterns, and improve performance. It is a critical task in maintaining and troubleshooting applications. In the video, Duet AI assists the software engineer in understanding the logs produced by their application on Cloud Run, helping them to focus on addressing issues more effectively.

Highlights

The video discusses the process of building, testing, and deploying a simple Node.js app.

Duet AI is used to streamline the development process by handling boilerplate configurations and deployment commands.

The development environment is set up within VSS Code, a popular IDE.

Google Cloud code extension and Duet AI are required for the project.

An app.js and a test.js file are created for running and testing the application.

The Express framework is chosen for app development.

Duet AI assists in remembering the commands for installing necessary packages like Express and EJS.

The video demonstrates how Duet AI can recommend code inline for initializing the EJS templating engine.

Middleware is set up to parse form data and a home route is configured.

A server is started, and the app is tested locally using mpm start.

Unit testing is emphasized for its importance in development.

Duet AI generates a unit test for the home route, ensuring a response code of 200.

The video shows how to update the package.json file with necessary scripts and dependencies.

Views are created within a views directory, including a form for the index page and a greeting page.

The app is deployed to Google Cloud's Cloud Run, with Duet AI providing guidance on the deployment process.

Duet AI also aids in understanding and addressing issues from logs produced by the app on Cloud Run.

The video concludes by promoting Duet AI as a productivity tool for developers, allowing them to focus on more complex problems.