Third Iteration: Handle Supabase In Flask Server

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Introduction

As a frontend developer, handling backend operations can be a daunting task. One such operation is connecting to a database, which can be a complex process. In this iteration, we will focus on handling Supabase connection in a Flask server. This will enable us to query the database directly from the backend, eliminating the need to create a Supabase client on the frontend server.

Why Handle Supabase Connection in Flask Server?

Handling Supabase connection in a Flask server provides several benefits, including:

  • Improved Security: By handling the Supabase connection in the backend, we can ensure that sensitive database credentials are not exposed to the frontend.
  • Simplified Frontend Code: Without the need to create a Supabase client on the frontend, our code becomes more manageable and easier to maintain.
  • Enhanced Performance: By querying the database directly from the backend, we can reduce the load on the frontend and improve overall application performance.

Acceptance Criteria

To ensure that the Supabase connection is handled correctly in the Flask server, we need to meet the following acceptance criteria:

Criteria 1: Create Supabase Endpoint that allows '/pills' on frontend to query the database

To create a Supabase endpoint that allows the frontend to query the database, we need to follow these steps:

Step 1: Install Required Libraries

First, we need to install the required libraries, including flask and supabase-py.

pip install flask supabase-py

Step 2: Import Libraries and Initialize Supabase

Next, we need to import the required libraries and initialize Supabase.

from flask import Flask, jsonify
from supabase import create_client, Client

app = Flask(__name__)

# Initialize Supabase
supabase_url = "https://your-supabase-instance.supabase.co"
supabase_key = "your-supabase-key"
supabase_secret = "your-supabase-secret"

supabase: Client = create_client(supabase_url, supabase_key, supabase_secret)

Step 3: Create Supabase Endpoint

Now, we need to create a Supabase endpoint that allows the frontend to query the database.

@app.route('/pills', methods=['GET'])
def get_pills():
    # Query the database using Supabase
    pills = supabase.from('pills').select()

    # Return the query results as JSON
    return jsonify(pills.data)

Step 4: Run the Flask Server

Finally, we need to run the Flask server to test the Supabase endpoint.

python app.py

Definition of Done

To consider this iteration complete, we need to meet the following definition of done:

All Acceptance Criteria are Met

We need to ensure that all acceptance criteria are met, including creating a Supabase endpoint that allows the frontend to query the database.

Code is Reviewed and Approved

We need to review and approve the code to ensure that it meets the required standards and best practices.

Necessary Tests are Written and Pass

We need to write necessary tests to ensure that the Supabase endpoint is working correctly and that the code is stable and.

Documentation is Updated, if Applicable

We need to update the documentation to reflect the changes made in this iteration.

Feature is Deployed to the [Environment Name]

Finally, we need to deploy the feature to the [environment name] to make it available to users.

Conclusion

Introduction

In our previous article, we discussed how to handle Supabase connection in a Flask server. In this article, we will answer some frequently asked questions related to this topic.

Q&A

Q: What is Supabase and why do I need to handle its connection in a Flask server?

A: Supabase is a PostgreSQL database with a REST API and a set of tools to make it easy to use. You need to handle its connection in a Flask server to improve security, simplify frontend code, and enhance performance.

Q: How do I install the required libraries for handling Supabase connection in a Flask server?

A: You can install the required libraries using pip:

pip install flask supabase-py

Q: What is the difference between supabase_url, supabase_key, and supabase_secret?

A: supabase_url is the URL of your Supabase instance, supabase_key is your Supabase key, and supabase_secret is your Supabase secret key. You need to replace these placeholders with your actual Supabase credentials.

Q: How do I create a Supabase endpoint that allows the frontend to query the database?

A: You can create a Supabase endpoint by using the @app.route decorator and defining a function that queries the database using Supabase. Here is an example:

@app.route('/pills', methods=['GET'])
def get_pills():
    # Query the database using Supabase
    pills = supabase.from('pills').select()

    # Return the query results as JSON
    return jsonify(pills.data)

Q: How do I run the Flask server to test the Supabase endpoint?

A: You can run the Flask server using the following command:

python app.py

Q: What are the benefits of handling Supabase connection in a Flask server?

A: The benefits of handling Supabase connection in a Flask server include:

  • Improved Security: By handling the Supabase connection in the backend, you can ensure that sensitive database credentials are not exposed to the frontend.
  • Simplified Frontend Code: Without the need to create a Supabase client on the frontend, your code becomes more manageable and easier to maintain.
  • Enhanced Performance: By querying the database directly from the backend, you can reduce the load on the frontend and improve overall application performance.

Q: How do I test the Supabase endpoint?

A: You can test the Supabase endpoint by sending a GET request to the endpoint URL. For example, if your endpoint URL is http://localhost:5000/pills, you can test it by sending a GET request to http://localhost:5000/pills using a tool like Postman or cURL.

Q: What are the next steps after handling Supabase connection in a Flask server?

A: After handling Supabase connection in a Flask server, you can proceed with implementing additional features, such as user authentication and authorization, data validation, and error handling.

Conclusion

In this article, we answered some frequently asked questions related to handling Supabase connection in a Flask server We hope that this article has provided you with a better understanding of how to handle Supabase connection in a Flask server and how to test and deploy the feature.