Automate Docker Builds with GitHub Actions 🚀 2025 | Step-by-Step Tutorial | DOCKER | GITHUB ACTIONS

🚀 In this tutorial, you’ll learn how to automate Docker image builds using GitHub Actions — no more manual docker build and docker push! Every time you push code to GitHub, a workflow will: ✅ Build a Docker image ✅ Tag it automatically ✅ Push it to Docker Hub (or GitHub Container Registry) This is the foundation of a CI/CD pipeline for containerized apps. Github URL: https://github.com/VDevopsExpert/Dock... 📌 What You’ll Learn 🔹 Why use GitHub Actions to build Docker images 🔹 How to set up a GitHub workflow to build & push automatically 🔹 How to store Docker Hub credentials securely using GitHub Secrets 🔹 The difference between Secrets, Environment, and Variables in GitHub Actions (for credentials & configs) 🔹 A live demo: push code → watch GitHub Actions build → image appears in Docker Hub 📌 Real-World Extensions 💡 In production, you can: Tag images with version numbers or commit SHA Push to cloud registries (AWS ECR, GCP Artifact Registry, Azure ACR) Trigger Kubernetes deployments after pushing images This workflow is a building block for modern DevOps pipelines. 📌 Call To Action 👍 Like this video if it helped, 🔔 Subscribe for more DevOps tutorials, 💬 Comment if you’d like me to cover deploying the image to Kubernetes, AWS, or GCP in the next video! Timeline: 0:08 – Introduction 0:45 – Why Automate Docker Builds? 01:40 – Setting Up GitHub Workflow File (.github/workflows/docker.yml) 02:05 – Writing the GitHub Action Steps 05:25 - GitHub Actions Environments Secrets and Variables 08:45 – Building and Pushing Docker Image Automatically 09:32 – Testing the Workflow in GitHub 11:46 – Running the image container in your local ************************************************************* Jenkins tutorial complete step by step guide : How to install jenkins in windows:    • How to  Install Jenkins on Windows ? | Jen...   How to create first sample job in jenkins:    • How to Create First Freestyle Project/JOB ...   Poll scm jenkins :    • Jenkins Poll SCM GitHub | BUILD Triggers w...   How to install plugin in jenkins:    • Jenkins Plugins installation | EP 04 | Jen...   How to create pipeline in jenkins:    • Creating First Pipeline in Jenkins | EP 12...   Configure Slave agent in jenkins:    • Maven Installation & Jenkins Slave Agent c...   SSH-KEYS setup :    • SSH Key Based Password Less Authentication...   Maven installation:    • Maven Installation on Windows | EP 01 | Ma...   Configure Maven with Nexus:    • Installation of Nexus Repository in window...   ************************************************************* Ubuntu on Virtualbox:    • Need UBUNTU on Windows Operating System? I...   Install Guest additions in oracle vm:    • Full screen issue ? | Install GUEST ADDITI...   Install Tomcat on Ubuntu:    • How to Install  and configure Tomcat on UB...   **************************************************** Devops interview questions:    • Test your DevOps skills and knowledge ?| D...   Devops java project sample:    • Create Java Project in Maven | Folder Stru...   ***************************************************** Ansible tutorial *********************************************** Introduction to ansible:    • Introduction to Ansible Architecture and A...   Ansible installation on linux:    • Ansible Installation on Linux | Ansible Tu...   Best practice for ansible folder structure:    • Ansible Directory Layout: Organize Your Au...   devops tutorial for beginners devops full course devops interview questions jenkins tutorial #tutorial #devops #jenkins #jenkinstutorial #jenkinspipeline #learning #career #interview #question #jenkins #cicd #linux #devopsvijay #devopsproject #devopstraining #devopstrainingvideos #cicd #bashscripting #shellscripting #ansible #ansibletutorial #ansibletraining