Steps On Building API With Flask On A Local Server

Note: Create a folder and cd into the folder before following the steps below

Step 1

Get the latest version of Python https://www.python.org/downloads/

Step 2

Install Pip https://pip.pypa.io/en/stable/installation/

Step 3

Install flask in your terminal with pip3 install Flask

Step 4

Get Postman to test your endpoints https://www.postman.com/downloads

Step 5

Create a new file called app.py by doing cat > app.py

Step 6

Paste into your app.py the code below to achieve a "Hello world display"

# Importing flask

from flask import Flask

app = Flask(__name__)

# Using a route decorator

@app.route('/')

def hello_world():

    return "Hello World!"

# Used to show error messages to make debugging easier
if __name__ == "__main__":
      app.run(debug=True)

# Starting the server for the application on port 5000

app.run(port=5000)