Explore Firebase's unified development platform; gain insights into authentication, Firestore, Cloud Functions, and deployment with CLI. Delve into hands-on web application creation and comprehensive tools.

firebase-lessons.tar.gz

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Firebase lesson

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Firebase is a unified application development platform to create, deploy, and monitor web and mobile experiences. It unites common product functions in a single platform, freeing engineers to create functionality and user experience rather than having to create the infrastructure.

This course is a comprehensive introduction to the Firebase 9 SDK through hands-on development of a web application. You’ll start with basic concepts and functions like authentication, database, and Cloud Storage with Firestore. You’ll then learn Cloud Functions for Firebase, environment variables, Security Rules, and hosting capabilities before deploying an application using the command line interface (CLI). At each step, you’ll get hands-on exercises to modify the code, see real-time output in your browser, and finish with an assessment.

By the end of this course, you’ll have all the tools you need to build and deploy a web application with the Firebase 9 SDK—the latest version of Firebase.

A Complete Guide to Firebase on the Web

**Environment variables** are variables made up of name-value pairs used to configure values inside an application’s code from outside the code. They can affect the behavior of running processes on a computer or operating system.

When running Cloud Functions, well often need to include additional configuration required by functions such as API keys, client secrets, and so on. The Firebase SDK for Cloud Functions offers a built-in environment configuration to make it easy to store and retrieve this type of data for our projects. We can choose between using a runtime environment configuration with the Firebase CLI or a file-based configuration of these variables.



## File-based configuration
The Firebase SDK for Cloud Functions supports the `.env` file format for loading environment variables into the `process.env` interface, where our application reads them. To do this, we must create the `.env` file containing our desired variables and include it in the `functions/` directory on our Firebase project:




**Environment variables** are variables made up of name-value pairs used to configure values inside an application’s code from outside the code. They can affect the behavior of running processes on a computer or operating system.

When running Cloud Functions, well often need to include additional configuration required by functions such as API keys, client secrets, and so on. The Firebase SDK for Cloud Functions offers a built-in environment configuration to make it easy to store and retrieve this type of data for our projects. We can choose between using a runtime environment configuration with the Firebase CLI or a file-based configuration of these variables.



# File-based configuration
The Firebase SDK for Cloud Functions supports the `.env` file format for loading environment variables into the `process.env` interface, where our application reads them. To do this, we must create the `.env` file containing our desired variables and include it in the `functions/` directory on our Firebase project:




Learn to set and retrieve environment variables in Firebase.

Introduction

Get Started with Firebase

Firebase Authentication

The Firebase Realtime Database

Cloud Firestore

Cloud Storage for Firebase

The Firebase CLI

Cloud Functions

Environment Variables in Firebase

Firebase Security Rules

Firebase Hosting

Firebase Assessment

Conclusion

Appendix

File-based Environment Configuration in Firebase

File-based configuration