Complete DEVOPS Pipeline with Python Web App AWS Devops CICD

Set up a python virtual environment to isolate project dependencies, install flask and other libraries, and manage them with a shared requirements file for a reproducible web app setup.

Build your first Flask web app by importing Flask, creating an app instance, and routing a function to return content, then render HTML templates with render_template.

Project part 1 shows how to enhance a flask app with sql alchemy, define a checklist model, initialize the database, and pass variables from python to html using request and redirect.

Update the web page header and title, create a text input form with a submit button to pass data to the database via post request and render HTML templates.

Add and delete checklist items in a single-page app by implementing database insert and commit actions, managing sessions, and rendering the list of items with id and item content.

Implement a delete function for each checklist item by passing the task id as the primary key and filtering by id, using an anchor tag to trigger deletion.

Learn to expose your localhost to the internet with ngrok, creating secure tunnels to your dev server via a subdomain for remote access and team feedback.

Learn unit and functional testing with pytest in a Python environment, including installing pytest, writing tests for 200 OK responses, handling 404 errors, and validating page content.

Master git workflow: initialize with git init, stage with git add, and commit with git commit. Push to a remote using origin, then pull changes into your local directory.

Discover git components, including the .git folder with log and history, the readme, and the .gitignore file, and learn to initialize a repo and explore the working directory.

Discover git branch types such as master, feature, release, and hotfix, and learn how to keep the master stable while creating and merging branches for production-ready releases and CI/CD.

Explore essential git commands for source code management, including git add, commit, status, and push to a GitHub repository, using git bash and ignore rules to manage files.

Set up a GitHub actions python workflow to implement continuous integration and deployment, automate tests, install dependencies like flask, and verify a python web app.

Enhance the GitHub Actions workflow by adding multi-OS runners (Ubuntu, Windows latest, macOS latest) and a Python version matrix to spawn nine jobs across three platforms.

Learn to deploy a web application on Heroku, a container-based platform as a service, using Git, GitHub, or container registry, with Dockerfile setup and push troubleshooting.

Explore how Docker packages an application into an image and runs it as a container on any platform. See how a Dockerfile provides commands to assemble that image for production.

Discover why Docker leads the IT sector with rising demand and popularity, and how lightweight, portable containers outpace virtualization to boost career growth in DevOps.

Discover how docker containers and docker images simplify deployment by packaging a Python application with its libraries and dependencies, and push the image to a public repository using GitHub Actions.

Automate building a docker image on every code change using a GitHub action, securely manage secrets, and update the workflow for a Python web app in an AWS DevOps pipeline.

Learn Docker as the popular container technology and how Kubernetes orchestrates container workloads and services to streamline deployment, scaling, and production readiness.

Set up a single-node kubernetes cluster with Minikube on your laptop, choose drivers like Hyper-V or VirtualBox, and verify the cluster is running.

Explore how pods package containers within a cluster node, enable resource sharing and isolation, and how services expose pods via clusterIP, ingress, or load balancer for external access.

Discover the Kubernetes architecture, from the control plane components—kube-apiserver, etcd, kube-controller-manager, and cloud-controller-manager—to node agents like kubelet and kube-proxy, and the container runtime interface with runtimes like Docker.

Create your first pod in Kubernetes using a YAML file with labels, annotations, and a container spec including image, then deploy it.

Learn to deploy reliable apps using a replica set with selector labels, yaml templates, and self-healing to maintain the desired pod count.

Use a deployment to perform rolling updates that replace old replicas with new ones without downtime, enabling quick updates and easy rollbacks, and scale by adjusting replica counts.

Learn to set up Selenium with ChromeDriver for automated web testing, driving tasks like add and delete, and perform cross-browser checks to support agile DevOps pipelines.