Cloud-9 Sailors

 TEST a FLASK Application Lets Write a Flask Application with multiple endpoints app.py from flask import Flask, jsonify, request app = Flask( __name__ ) @app.route ( '/' , methods = [ 'GET' ]) def hello ():     message = 'Welcome to Flask Application!'     return jsonify({ 'message' : message}) @app.route ( '/add/task' , methods = [ 'POST' ]) def add_task ():     data = request.get_json()     for d in data:         title = d.get( 'title' )         priority = d.get( 'priority' )         assignto = d.get( 'assignto' )         if ( len (title) == 0 or len (priority) == 0 or len (assignto) == 0 ):             message = 'Please fill all the required fields'             return jsonify({ 'message' : message}), 400             message = 'Task added succe...

  Create & Dockerize a Flask app with Redis For this project we would create everything from scratch. Section 1 : We would create the Flask app Section 2 : We would deploy the app as service, along with redis using docker and docker-compose. Section 1 Creating a flask app that returns the count number of times the page was visited. Create a  requirements.txt file, and paste the following dependency name Flask redis Import dependencies using pip install --no-cache-dir -r requirements.txt Create a  app.py file  from flask import Flask from redis import Redis app = Flask(__name__) redis = Redis(host='db_service', port=6379) @app.route('/') def hello():     visit_count = redis.incr('visit_count')     return f"Hello, this page has been visited {visit_count} times." if __name__ == '__main__':     app.run(host='0.0.0.0') We can test the app locally for this we need to: Install virtualenv if it's not already installed: sudo apt-get up...

 Build Flask Image using docker & docker-compose 1. Create a Dockerfile to build Flask image with Flask application, 'requirements.txt' and expose it in port 5000. 2. Create a 'docker-compose.json' file to create two services named 'python_web_app' and 'db_service' 3. The 'python_web_app' service  should be built from Dockerfile and specify the port as 5000 4. the 'db_service' should be built from image 'redis:alpine' 5. Add a volume to the 'python_web_app' service that mounts the current directory to the working directory inside the container and set the flask envireonment in debug mode. 6. Visit 'http:localhost:5000" to check weather the Flask application is running fine. The container name of 'python_web_app' service should be 'web_container' and container name of 'db_service' should be 'db_container' Here are the instructions for each of the tasks mentioned: Create a file na...