When did docker come out?

Docker was released in 2013. The source code is hosted on Github. It is based on the go language and complies with the Apache2.0 protocol and is open source. It is an advanced container engine based on LXC open sourced by the PaaS provider dotCloud. It is an Tools to easily create, deploy, and run applications with containers.

The operating environment of this tutorial: linux7.3 system, docker-1.13.1 version, Dell G3 computer.

When did docker come out?

Docker is a software that runs on Linux and Windows and is used to create, manage, and orchestrate containers.

Docker is part of the Moby open source project developed on GitHub.

Docker Company, located in San Francisco, is the maintainer of the entire Moby open source project. The Docker Company also offers a commercial version of Docker that includes support services.

Docker Company

Docker Company is located in San Francisco and was founded by French-American developer and entrepreneur Solumon Hykes. Its logo is shown in the picture below.

Docker logo

Interestingly, Docker company was originally a Platform-as-a-Service (PaaS) called dotCloud provider.

In terms of underlying technology, the dotCloud platform utilizes Linux container technology. To make it easier to create and manage these containers, dotCloud developed a set of internal tools, later named "Docker." This is how Docker was born!

In 2013, dotCloud’s PaaS business was not doing well, and the company needed to seek new breakthroughs. So they hired Ben Golub as the new CEO, renamed the company "Docker", abandoned the dotCloud PaaS platform, and started a new journey with the mission of "promoting Docker and container technology to the world".

Today Docker is widely regarded as an innovative technology company, with a market value said to be approximately $1 billion. Docker has attracted a total of more than $240 million in investment from several Silicon Valley venture capital firms through multiple rounds of financing.

Almost all of the financing occurred after the company changed its name to "Docker".

Tip: The word "Docker" comes from the British colloquial word, which means dock worker (Dock Worker), that is, a person who loads and unloads goods from a ship.

Docker runtime and orchestration engine

When most technical people talk about Docker, they mainly refer to the Docker engine.

Docker Engine is the infrastructure tool for running and orchestrating containers. Readers with VMware management experience can compare this to ESXi.

ESXi is the core hypervisor that runs virtual machines, and Docker Engine is the core container runtime that runs containers.

Other Docker companies or third-party products are developed and integrated around the Docker engine.

As shown in the figure below, the Docker engine is at the center, and other products are integrated based on the core functions of the Docker engine.

Products developed and integrated around the Docker engine

The Docker engine can be downloaded from the Docker website or built based on the source code on GitHub. Both open source and commercial versions are available for Linux and Windows.

There are two main versions of Docker engine: Enterprise Edition (EE) and Community Edition (CE).

Every quarter, the Enterprise Edition and Community Edition will release a stable version. The community edition comes with 4 months of support, while the enterprise edition comes with 12 months of support.

Publish the monthly version via Edge.

Starting in the first quarter of 2017, Docker version numbers follow the YY.MM-xx format, similar to projects such as Ubuntu. For example, the first community version released in June 2018 was 18.06.0-ce.

Recommended learning: "docker video tutorial"

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