Build, deploy and operate an application with Duet AI for Developers
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
- 🚀 **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.
- 🔧 **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.
- 🛠 **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.
- 📦 **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.
- 📋 **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.
- 🔗 **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.
- 📄 **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.
- 🖼️ **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.
- 🧪 **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.
- 🌐 **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.
- 🔍 **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
🚀 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.
🧪 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
💡Software Engineer
💡Boilerplate Configurations
💡Duet AI
💡Node.js
💡Express Framework
💡EJS Templating Engine
💡Middleware
💡Unit Testing
💡Google Cloud
💡Cloud Run
💡Log Analysis
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.
