Tag: Docker Concepts

#DockerDays Day 6 – Docker Compose

Until now, we have learned how to create images using dockerfile and used network to create channels for communicating between two containers. But it can be cumbersome to manage each container separately, particularly in multi-container applications which have dozens of containers. Building, running, and connecting multiple containers using individual dockerfile would be pretty hard and consume a lot of time and … Continue reading #DockerDays Day 6 – Docker Compose

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#DockerDays Day 5 – Building Images with dockerfile

So far we have been downloading images from Docker Hub and running the containers. But how are these images created in the first place? How can we create our own images? In this part of the series of Docker Days, we will delve into building images and how to use the Docker file. Agenda Introduction to dockerfile ?FormatBuild ImageA … Continue reading #DockerDays Day 5 – Building Images with dockerfile

#DockerDays Day 4- Data Persistence

So far we have been mostly interested in running the container, without thinking too much about data. We have also briefly described how the containers add a read-write layer on top of the image's read-only layers while running a container. But what does that actually mean? What happens to the read-write layer when the container … Continue reading #DockerDays Day 4- Data Persistence

#DockerDays Day 3- Networking in Docker

In the previous part of the #DockerDays Series, we learned to run our first container. We also learned how to run a container and connect it from the host machine. As mentioned in the closing comments of the last part, so far we have worked on a single container environment. What happens when you have multiple containers running … Continue reading #DockerDays Day 3- Networking in Docker

#DockerDays Day 2- Running your first Container

In the previous part of this series, we familiarized ourselves with different concepts involving Docker. In this part of the series, we will look into some of the basic commands and run our first container. The first step of course would be to install Docker on your PC. We will be using a Windows Host … Continue reading #DockerDays Day 2- Running your first Container

#DockerDays Day 1 – Introduction to Docker Concepts

Docker has been around for a long time now. Honestly, I am one of the very few who have started using Dockers only recently. In this series of short blogs, I am attempting to document my own understanding of various things involving docker. Do note that this is not an in-depth analysis, but one that … Continue reading #DockerDays Day 1 – Introduction to Docker Concepts