Dockerfile Tutorial for Beginners | Build Custom Docker Images | Docker Day 5

Learn how to write a Dockerfile and build custom Docker images through practical Nginx and Python examples. In this Docker Day 5 tutorial, you will learn how Dockerfiles automate image creation and how instructions such as FROM, RUN, COPY and CMD are used. Topics covered: ✅ Introduction to Dockerfile ✅ Why custom Docker images are required ✅ Dockerfile syntax and instructions ✅ Understanding FROM, RUN, COPY and CMD ✅ Building an image using docker build ✅ Naming and tagging Docker images ✅ Creating a custom Nginx image ✅ Copying HTML files into an Nginx image ✅ Building a Python application image ✅ Running and testing custom containers ✅ Managing Docker images and containers This practical session is useful for Docker beginners, DevOps learners, cloud engineers and interview candidates. 👍 Like the video if it helped you 💬 Post your Docker questions in the comments 🔔 Subscribe for more Docker, AWS, Azure, Kubernetes and DevOps tutorials #Dockerfile #Docker #DockerImages #DevOps #Nginx #Python #DockerTutorial