Deploying Your First App on Google App Engine

Overview

Deploying your first application on Google App Engine (GAE) is an exciting step towards leveraging the power of cloud computing. GAE is a serverless platform that abstracts away infrastructure management, allowing you to focus on writing and deploying code effortlessly. This blog will guide you through setting up your Google Cloud Platform (GCP) project, preparing a simple web application, and deploying it on GAE. We will cover everything from initial setup and configuration to monitoring and scaling your application, ensuring you have all the tools and knowledge needed for a successful deployment. Whether you’re a beginner or an experienced developer, this step-by-step guide will help you get your application up and running in no time.

Introduction

Deploying your application to the cloud can be daunting, especially when managing infrastructure, scaling, and security. Google App Engine (GAE) simplifies this process by providing a fully managed serverless platform that allows you to focus on writing code without worrying about the underlying infrastructure.

Whether you’re a seasoned developer or just starting App Engine’s intuitive environment enables you to deploy and scale web applications effortlessly. In this blog, we’ll guide you through the steps to deploy your first application on Google App Engine, ensuring a smooth and successful launch for your web project.

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Prerequisites

Google App Engine (GAE) is a fully managed serverless platform for developing and hosting web applications at scale. It abstracts away infrastructure management, allowing developers to focus solely on writing code. In this blog, we’ll walk through the steps to deploy your first application on Google App Engine. Before you start, ensure you have the following:

A Google Cloud Platform (GCP) account.
The Google Cloud SDK is installed on your local machine.
A basic understanding of web development (we’ll use a simple Python app as an example).

Steps

Setup the GCP project:

Make sure that billing is enabled for the GCP project.
Make sure that “App Engine Admin API” is enabled.

step1

2. Install the Google Cloud SDK:

If you haven’t already installed the Google Cloud SDK, download and install it from -> https://cloud.google.com/sdk/docs/install
Initialize the SDK using “gcloud init” and follow the prompts to authenticate and select your project.

step2

3. Prepare Your Application:

This guide will use a simple Python web application. You can adapt these steps for other languages supported by App Engine.

Create a Directory for Your App

mkdir my-app
cd my-app

1 2	mkdir my-app cd my-app

Create a main.py file with the following content:

from flask import Flask

app = Flask(__name__)

@app.route('/')
def hello():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)

from flask import Flask

app = Flask(__name__)

@app.route('/')

def hello():

return 'Hello, World!'

if __name__ == '__main__':

app.run(host='0.0.0.0', port=8080)

Create a requirements.txt file to list your app’s dependencies:

Flask==2.0.1

1	Flask==2.0.1

Create an ‘app.yaml’ file to define your App Engine settings:

runtime: python39
entrypoint: gunicorn -b :$PORT main:app

handlers:
- url: /.*
  script: auto

runtime: python39

entrypoint: gunicorn -b :$PORT main:app

handlers:

- url: /.*

script: auto

4. Deploy Your Application:

Deploy the app using “gcloud app deploy”
After deployment, visit your app at https://<your-project-id>.appspot.com.

step4

5. Manage and Scale Your Application:

Use the GCP Console to view logs, monitor performance, and manage your app.

step5

Google App Engine automatically scales your application based on traffic. To optimize costs and performance, you can configure scaling settings in the app.yaml file.

Conclusion

You’ve deployed your first app on Google App Engine. With GAE, you can focus on developing great applications without worrying about the underlying infrastructure. Explore GAE’s robust features and integrations to build scalable, high-performance applications.

Drop a query if you have any questions regarding Google App Engine and we will get back to you quickly.

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FAQs

1. What is Google App Engine?

ANS: – Google App Engine (GAE) is a fully managed serverless platform that enables you to build and deploy web applications at scale without managing the underlying infrastructure.

2. What languages are supported by Google App Engine?

ANS: – Google App Engine supports several programming languages, including Python, Java, Node.js, Go, PHP, Ruby, and .NET.

WRITTEN BY Avinash Kumar

Avinash Kumar is a Senior Research Associate at CloudThat, specializing in Cloud Engineering, NodeJS development, and Google Cloud Platform. With his skills, he creates innovative solutions that meet the complex needs of today's digital landscape. He's dedicated to staying at the forefront of emerging cloud technologies.