Build A Custom Docker Image For Your Containerized Web Application
March 18, 2017
Nic Raboy
I’ve been working with Docker for a while now and I’ve found that I’m rarely using one of the vanilla images found on Docker Hub. By rarely, I don’t mean never, but in most cases I find that I’m building my own custom Docker image for any web application that I wish to containerize. This allows me to create an image that meets my needs and deploy it anywhere and anytime that I find necessary.
We’re going to see how to build a simple web application and turn it into a Docker image so it is containerized and easily deployable anywhere that Docker Engine is available.
Read MoreUse NGINX As A Reverse Proxy To Your Containerized Docker Applications
- March 15, 2017
- Nic Raboy
You might have noticed that I’m doing quite a bit of Docker related articles lately. This is because I’ve been exploring it as an option for the future of my personal web applications. As of right now I’m serving several web applications on Digital Ocean under a single Apache instance. As requests come into my server, Apache routes them to the appropriate application via virtual hosts. Each application is a different directory on the virtual private server (VPS). If I were to containerize each application, things would behave a bit differently. I would need to set up a reverse proxy to route each request to a different container on the host.
While Apache can work as a reverse proxy, there are other options that work way better. For example NGINX is known for being an awesome reverse proxy solution. We’re going to see how to create several web application containers and route between them with an NGINX reverse proxy container.
Read MoreConnecting To A Detached Docker Container For Terminal Interaction
- March 4, 2017
- Nic Raboy
When I use Docker, most of the time I start my containers in detached mode, meaning that the container will deploy in the background without any further interaction from myself. However, every once in a while I find myself needing to connect to the container to view log information.
So how do you connect to a detached container that is already running? We’re going to take a look at how to do this with minimal effort.
Read MoreDeploying Docker Containers On A Raspberry Pi Device
- September 19, 2016
- Nic Raboy
Recently I’ve been using a good amount of Docker for various deployment pipelines. As everyone knows, I’m a huge Raspberry Pi fan, so I figured it would be a cool idea to bring the two together. After all, Docker was built using Golang which is cross architecture.
We’re going to see how to create Docker containers on a Raspberry Pi and figure out the limitations of using Docker on IoT based architectures.
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