Currently, we are creating a JAR file and using microservices. There are around 178 services in a single project. We use Docker to manage and do load balancing for all the services together.
Docker on CentOS 10 (x86_64 docker)
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An open-source solution that can be used to monitor and manage multiple microservices
What is our primary use case?
What is most valuable?
We are using Docker to host applications. We are using Docker Compose and sometimes Docker Screen.
What needs improvement?
We are facing multiple issues with the solution's stability.
For how long have I used the solution?
We have been using Docker in the same project for five years, and we have recently deployed Docker into Kubernetes for four years.
What do I think about the stability of the solution?
We are facing multiple issues with the solution's stability. It is very difficult to analyze how much load a tool takes. Sometimes, our Docker images get crashed due to the unavailability of space.
I rate the solution a six or seven out of ten for stability.
What do I think about the scalability of the solution?
Approximately, 400 users are using the solution in our organization.
I rate the solution a nine out of ten for scalability.
How was the initial setup?
The solution’s initial setup is simple.
What about the implementation team?
We implemented the solution through an in-house team. It took me around three to five hours to deploy the solution. Docker is easy to use and implement. For the deployment process, we used Docker in the CI/CD pipeline. Then, we pushed the Docker images to the Kubernetes as per the environment. We used Kubernetes to host and balance the load.
What's my experience with pricing, setup cost, and licensing?
Since Docker is an open-source solution, it is free of cost.
What other advice do I have?
Docker made it easy for us to monitor the microservices. Secondly, we were able to manage the key load balancer. Thirdly, we wanted to create a secure layer of protection for our organization. So, we started using the containers above the hypervisor.
It was like using a new operating system. We created our own network adapters. We created another isolated network inside the Docker containers to keep our organization and project safe and secure. We consider this very helpful in the secure software development life cycle.
We're implementing multiple stages in security. We are signing Docker images, Docker containers, Kubernetes containers, Kubernetes nodes, and clusters in cryptography. We are signing these so that no one tampers with the code or the docker images. We are doing this from a security point of view.
The solution's containerization helps us in providing integrity and availability. If you use a microservices architecture, I recommend implementing Docker and Kubernetes. I would recommend Docker and Kubernetes to manage multiple microservices running simultaneously.
We had to configure multiple services, like the utilization of the CPU and the utilization of the RAM for the service that we were building. Additionally, we had to mention the network adapters we will be using. We followed multiple benchmarks, like NIST Benchmarks and CIS benchmarks.
There were multiple advantages to using Docker. The most important advantage was scalability and availability. As I am working in the security team, I'm looking after the integrity of the Docker images.
Overall, I rate the solution an eight out of ten.
A scalable solution that can be used for containerization and working with CI/CD pipelines
What is our primary use case?
I use Docker for containerization, deployment, and to create packages. Docker has a wide range of uses and integrates well with other command-line tools like Terraform. Docker is most helpful when trying to work with CI/CD pipelines.
What is most valuable?
Docker's containerization property is its main selling point.
What needs improvement?
I'd like to see the new update on containers and what you can achieve with the new version of Docker by using containers. I would also like to know the range of applications for which it can be used. I want to see if new architectures have been incorporated in Docker or if we have to wait for another release.
For how long have I used the solution?
I have been using Docker for one year.
What do I think about the stability of the solution?
I rate Docker a nine out of ten for stability.
What do I think about the scalability of the solution?
Docker is a very scalable solution. I rate Docker a nine out of ten for scalability.
How was the initial setup?
Docker's initial setup is straightforward. As a command line tool, it also provides you with docks to reference if you get stuck or have issues.
What about the implementation team?
The solution's deployment time depends on your internet latency or internet speed and the size of the container. If you are deploying a very large application, it will take some time to set up.
What other advice do I have?
Docker is deployed on-cloud in our organization.
To effectively use Docker, users should learn the basics of Docker and understand what containers and images are in Docker.
Overall, I rate Docker a nine out of ten.
Docker facilitates a smoother process in teaching environments, avoiding setup issues for multiple students
What is our primary use case?
We set it up a lot of times to create environments for our students.
How has it helped my organization?
When we teach our students, it's really important that everybody is on the same version of all their dependencies. So, Docker, we can set up the images on Docker, and it sets everybody up.
So it's a much smoother process. Without Docker, without these containers, it would be a nightmare trying to get 20 to 30 students to set up their environments correctly. So this is just a really quick and easy way to use it.
What is most valuable?
Just the portability of Docker's containers and its ability to give everybody the exact same environment and experience is most valuable to me.
What needs improvement?
It could be easier to create images and save them on reports.
Just improved development workflow, just quicker, like some better user experience creating the images for the Docker containers.
For how long have I used the solution?
We have used it every day in my current company just to set up our environment for our build processes. We create a lot of labs.
We use the latest Docker version 4.22.
What do I think about the stability of the solution?
It is a very stable product.
What do I think about the scalability of the solution?
It is extremely scalable. I would rate the scalability a ten out of ten.
How was the initial setup?
The initial setup was very easy. I use it on-premises as well as in the cloud. So we use it in both places.
What's my experience with pricing, setup cost, and licensing?
It's free, as far as I know.
What other advice do I have?
Docker is very reliable. It's easy to scale, and it's very stable.
Overall, I would rate the solution a nine out of ten.
Comes with Dockerfile which makes a developer's life easier
What is our primary use case?
We work with containers for forecasting.
What is most valuable?
The solution's most valuable feature is the Dockerfile, which makes the life of developers easy. Developers get a real understanding of container creation.
What needs improvement?
I have encountered network issues while connecting with microservices. I want to optimize the application layers over the bucket. It should also have better documentation.
For how long have I used the solution?
I have been working with the solution for seven years.
What do I think about the scalability of the solution?
I rate the tool's scalability a nine out of ten.
How are customer service and support?
We solve issues using the documentation.
How would you rate customer service and support?
Neutral
How was the initial setup?
Docker's implementation is straightforward. However, it can get a bit complicated when you are doing sophisticated implementation.
What was our ROI?
We have seen ROI with the tool's use.
What's my experience with pricing, setup cost, and licensing?
Docker's price is good.
What other advice do I have?
I rate the product an eight out of ten.
A free tool that is easy to deploy on different platforms
What is our primary use case?
I use the tool for SQL, MySQL, and web development.
What is most valuable?
I think that with Docker, it is easy to deploy it on different platforms.
What needs improvement?
Stability is an area with a shortcoming. Hence, stability needs to be improved.
For how long have I used the solution?
I have been using Docker for a year. Also, I don't remember the version of the solution I am using since it comes from the repository of Linux.
What do I think about the stability of the solution?
I rate the stability of the solution a nine out of ten.
What do I think about the scalability of the solution?
Normally, I use it on small sites, so I don't know if it can experience scalability.
More than 200 of my students use the tool. Also, the tool is used extensively by me.
Normally, Docker is free for everything, so I don't know if there needs to be a plan to increase the number of users.
Which solution did I use previously and why did I switch?
Before Docker, I used only a Linux setup.
How was the initial setup?
I have used Docker on Linux for the filesystem.
The deployment of the product was done in a minute or two, considering my internet is very stable.
I use the Docker control plane for the deployment.
What about the implementation team?
I was involved in the deployment process of the solution.
What's my experience with pricing, setup cost, and licensing?
Docker is a free tool.
Which other solutions did I evaluate?
What other advice do I have?
I would definitely recommend the solution to those planning to use it.
I don't know what to say to those planning to use Docker, but you can find its details on the internet.
I rate the overall solution a nine out of ten.
Helps to run multiple virtual machines independently
What is most valuable?
Docker allows you to run multiple virtual machines independently.
What needs improvement?
The solution is not easy to manage and it is one of the reasons why people introduce orchestration tools to manage it.
For how long have I used the solution?
I have been using the solution for six to seven years.
What do I think about the stability of the solution?
The tool's stability is high and I would rate it a ten out of ten.
What do I think about the scalability of the solution?
We use the solution 24/7.
How are customer service and support?
The tool is an open-source product and there is no technical support for it.
Which solution did I use previously and why did I switch?
We use Hyper-V and VMware as per our client's requirements.
How was the initial setup?
The tool's setup is difficult and I would rate it a two out of ten. The tool's POC can be completed in a couple of hours. However, if the project is big, then deployment can take around one to two months to complete.
What's my experience with pricing, setup cost, and licensing?
The solution is an open-source technology and not a commercial product. However, you will have to pay sometimes. The tool's pricing depends on the vendor.
What other advice do I have?
I would rate the product a nine out of ten. The solution is a virtualization technology that is more like a mini-computer.
Helps to replicate anything in the local machine using a simple command
What is most valuable?
I think the best feature is to replicate anything in our local machine using a simple command.
What needs improvement?
The product does not have an extensive documentation. The tool does not have good scenarios. We have to go through the GitHub repository and investigate similar scenarios. Also, if you are copying multiple things, then you can jeopardize the copy number. The copying aspect also lacks a UI part. We also need to limit the memory.
For how long have I used the solution?
I have been using the tool for four years.
What do I think about the stability of the solution?
The solution is stable.
What do I think about the scalability of the solution?
The tool is very easy to scale up. My company has 100 percent usage for the product.
How are customer service and support?
I have never contacted the support. I always look at GitHub instead of raising a ticket.
How was the initial setup?
The product's setup is easy and straightforward. However, you will encounter difficulty in customization. The speed of the product's setup depends on the bandwidth and download speed.
What's my experience with pricing, setup cost, and licensing?
The product is a free open-source tool.
What other advice do I have?
I would rate the product a nine out of ten.
Containerisation
What do you like best about the product?
Easily containerisation of any application for deployment. It also provides persistent storage where data can be stored and retrieved for the future.
What do you dislike about the product?
with an increase in number of containers, maintenance becomes complex with increasing challenges.
What problems is the product solving and how is that benefiting you?
Containerisation
Best in the market
What do you like best about the product?
Docker packages apps with dependencies into containers that can run on any system, making deployment across different environments easier
What do you dislike about the product?
Docker containers can have security risks like container breakouts, which could give attackers access to the host system. Take proper security measures to minimize these risks.
What problems is the product solving and how is that benefiting you?
Docker on CentOS 7 solves problems related to portability, dependency conflicts, and resource efficiency. This benefits developers and system administrators by providing a consistent and efficient way to deploy and manage applications
Usage of Docker on CentOS
What do you like best about the product?
With the help of Docker, we can easily containerize any kind of application and deploy it without worrying about any deployment issues, along with this, it also supports multiple applications and microservices. It is also very easy to install Docker on CentOS, just by running a few commands
What do you dislike about the product?
The only issue I have observed with Docker on CentOS, it is hard to maintain a large number of containers and to solve this thing, we can make use of Kubernetes on CentOS.
What problems is the product solving and how is that benefiting you?
Docker highly helps in turning applications into Docker images, these images can be deployed as containers without any infrastructure issues. Also, we can easily scale the applications when there is high load on the application.
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