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This is a Python web app using the Flask framework and the Azure Database for PostgreSQL relational database service. The Flask app is hosted in a fully managed Azure App Service. This app is designed to be be run locally and then deployed to Azure. You can either deploy this project by following the tutorialDeploy a Python (Django or Flask) web app with PostgreSQL in Azure or by using theAzure Developer CLI (azd) according to the instructions below.

Therequirements.txt has the following packages, all used by a typical data-driven Flask application:

This project has adev container configuration, which makes it easier to develop apps locally, deploy them to Azure, and monitor them. The easiest way to run this sample application is inside a GitHub codespace. Follow these steps:

1. Fork this repository to your account. For instructions, seeFork a repo.

2. From the repository root of your fork, selectCode >Codespaces >+.

3. In the codespace terminal, run the following commands:

   # Install requirementspython3 -m pip install -r requirements.txt# Create .env with environment variablescp .env.sample.devcontainer .env# Run database migrationspython3 -m flask db upgrade# Start the development serverpython3 -m flask run

4. When you see the messageYour application running on port 8000 is available., clickOpen in Browser.

This project is designed to work well with theAzure Developer CLI, which makes it easier to develop apps locally, deploy them to Azure, and monitor them.

🎥 Watch a deployment of the code in [this screencast](https://www.youtube.com/watch?v=JDlZ4TgPKYc).

Steps for deployment:

1. Sign up for afree Azure account

2. Install theAzure Dev CLI. (If you opened this repository in a Dev Container, it's already installed for you.)

3. Initialize a newazd environment:

   azd init

   It will prompt you to provide a name (like "flask-app"), which will later be used in the name of the deployed resources.

4. Provision and deploy all the resources:

   azd up

   It will prompt you to login, pick a subscription, and provide a location (like "eastus"). Then it will provision the resources in your account and deploy the latest code. If you get an error with deployment, changing the location (like to "centralus") can help, as there may be availability constraints for some of the resources.

5. Whenazd has finished deploying, you'll see an endpoint URI in the command output. Visit that URI, and you should see the front page of the restaurant review app! 🎉 If you see an error, open the Azure Portal from the URL in the command output, navigate to the App Service, select Logstream, and check the logs for any errors.

   

6. When you've made any changes to the app code, you can just run:

   azd deploy

If you're working with this project and running into issues, please post inIssues.