Docker has announced that the code for the Microsoft Azure Container Instances (ACI) and Amazon Elastic Container Service (ECS) integrations will be open-sourced.

1. Docker
Announces Open
Source Compose
for AWS ECS &
Microsoft ACI

2. Docker has announced that the code for the Microsoft Azure Container
Instances (ACI) and Amazon Elastic Container Service (ECS) integrations
will be open-sourced. For the first time, Docker has made Compose
available for the cloud, in addition to enabling an open community for
evolving the Compose standard.
Docker is an open-source containerization platform. It allows programmers
to bundle applications into containers, standardized executable
components that combine application source code with the OS libraries
and dependencies needed to run that code in any context.

3. Containers make distributing distributed programs easier, and they’re
becoming more popular as companies move to cloud-native development
and hybrid multi-cloud setups. Developers can develop containers without
Docker, but the platform makes building, deploying, and managing
containers easier, simpler, and safer.
Docker is a free toolkit that enables developers to make use of a single
API to build, operate, update, deploy, and stop containers using simple
commands and work-saving automation. Docker containers are live
instances of Docker images that are currently executing.

4. Containers are ephemeral, live, executable content, whereas Docker
images are read-only files. It enables the users to interact with them, and
admins can use Docker commands to change their settings and
circumstances.

5. Why are containers popular, and how do they work?

6. Docker adoption surged and continues to grow as a result of these factors.
According to the reports from Docker, there are 11 million developers and
13 billion monthly container images downloaded. Process isolation and
virtualization characteristics provided into the Linux kernel enable
containers.

7. These features, like control groups (Cgroups) for allocating resources
among methods and namespaces for restricting a process’ access or
visibility into other resources or areas of the system, allow multiple
application components to start sharing the resources of a single instance
of the host operating system, similar to how a hypervisor allows multiple
virtual machines (VMs) to share resources of a single instance of the host
OS.

8. As a result, container technology provides all of the functionality and
benefits of virtual machines (VMs), as well as significant additional
benefits: cost-effective scalability, application isolation, and disposability.

9. Containers are lighter than VMs because they don’t carry the payload of a
whole OS instance and hypervisor; instead, they take the OS processes and
dependencies required to run the code.
Container sizes are measured in megabytes (as opposed to gigabytes for
specific VMs), allowing for greater utilization of hardware resources and
speedier startup times.
1. Lighter

10. You can execute many more copies of a program on the same hardware
with containers than you can with VMs. This can help you save money on
cloud storage.
2. Greater resource efficiency

11. Containers are faster and easier to deploy, provision, and restart than virtual
machines, which improves developer productivity. This makes them a better
fit for development teams following Agile and DevOps approaches, as they
can be used in continuous integration and continuous delivery (CI/CD)
pipelines.
Reliable docker deployment consultation can make the implementation
process easier. Other advantages cited by container users include higher
app quality, faster market reaction, and much more.
3. Effortless operation

12. Docker is working on two fronts to make it easier to get programs running on
the cloud. The Compose specification was first transferred into a community
effort. This will allow Compose to grow with the community, allowing it to
meet the demands of more users better while remaining platform agnostic.
Second, we’ve been working with Amazon and Microsoft on CLI connectors
for Amazon ECS and Microsoft ACI that let you deploy Compose
applications directly to the cloud using Docker compose-up.
4. Open Source Compose

13. The company wanted to ensure that existing CLI commands were not
affected when we implemented these connectors. They also desire an
architecture that would allow adding more backends and SDKs in popular
languages.
Docker inc have publicly sourced the Compose CLI and Node SDK sections
of the diagram. This design is not final, and the Compose CLI will be
merged with the existing CLI later.

14. Image Source: Docker Blog

15. The Compose CLI switches which backend is utilized for the command or
API call based on the Docker Context that the user selects. This allows
transparently transmitting commands to the existing CLI that use existing
contexts.
The back-end interface enables creating a backend for any container
runtime, allowing users to enjoy the same Docker CLI UX as before while
also taking advantage of the new APIs and SDK. To give equivalent
functionality to the CLI commands, the Compose CLI can serve a gRPC
API.

16. They also utilize gRPC because it allows creating high-quality SDKs in
popular languages such as Node.js, Python, and Golang. While the firm now
only has a Node SDK that provides single container management on ACI,
they also have plans to add Compose support, ECS support, and more
language SDKs in the near future.
VS Code has already implemented its Docker experience on ACI using the
Node SDK.Microsoft Windows Server now supports Docker
containerization. Most cloud providers also provide services to assist
developers in creating and running Docker-based applications.
Article Source:
www.9spl.com/blog/docker-announces-open-source-compose-aws-ecs-micr
osoft-aci/

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