Learning GitHub Actions for DevOps CI/CD - Building Dockers with GitHub Actions

This lecture covers the process of using GitHub Actions to build and deploy Docker containers for a .NET application. It begins with an introduction to containers and the setup of necessary infrastructure on Azure, including a Container Registry and App Service. The lecture then demonstrates creating a .NET application and generating a Docker file using Visual Studio. A GitHub Action workflow is developed to automate the building and pushing of Docker images to Azure Container Registry. The session concludes with a successful deployment and a preview of the next lecture.

What is the main focus of this lecture?

• Designing CI/CD workflows for Azure App Service

• Exploring Docker containers in CI/CD workflows

• Learning about Azure DevOps

• Understanding Kubernetes

What is the first step in setting up the infrastructure for deploying containers?

• Deploying Azure App Service

• Creating a Docker file

• Deploying Azure Container Registry

• Setting up GitHub Actions

Which tool is used to generate a Docker file for the .NET application?

• Command Line Interface

• GitHub Actions

• Azure Portal

• Visual Studio

What is the purpose of the Docker file in the .NET project?

• To deploy the application to Azure

• To build the Docker image for the application

• To create a new .NET application

• To manage Azure resources

What is the role of GitHub Actions in this workflow?

• To build and push Docker images

• To deploy Azure resources

• To create a new .NET application

• To manage Azure subscriptions

What is Docker Buildx used for in the workflow?

• To create Azure resources

• To deploy applications

• To extend Docker commands

• To manage GitHub repositories

Why is it important to use lowercase for repository names in Azure Container Registry?

• To avoid repository name errors

• To comply with Azure naming conventions

• To avoid authentication errors

• To prevent deployment failures

What is used as a unique tag for Docker images in the workflow?

• GitHub commit SHA

• Docker container ID

• Azure subscription ID

• GitHub repository name

What is the purpose of the build job in the GitHub Actions workflow?

• To create a new .NET application

• To build and push the Docker image

• To manage Azure resources

• To deploy the application to Azure

What is the final step in verifying the Docker image deployment?

• Checking the Azure App Service

• Testing the .NET application locally

• Verifying the image in Azure Container Registry

• Reviewing the GitHub Actions logs