What is Docker?
Docker packages an application and everything it needs to run code, libraries, settings, environment into a single unit called a container.
The problem it solves: software works on one machine but fails on another because of different operating system versions, library versions, or settings. This is the classic "it works on my machine" problem.
A Docker container includes everything the app depends on, so it runs identically on any machine with Docker installed.
Containers vs virtual machines: a virtual machine simulates an entire computer including its own OS. A container shares the host machine's OS kernel but isolates the app's environment. Containers are much smaller and faster to start.
Docker works closely with Kubernetes, which manages and scales containers across many servers.
Suggested Q&A
General · Class 10- GeneralClass 10Explain the role of an entrepreneur as an innovator and job and wealth generator.
- GeneralClass 10The spirit of entrepreneurship helps an individual to grow. Explain this statement in detail.
- GeneralClass 10Explain the process of entrepreneurship in detail.
- GeneralClass 10Explain the role of entrepreneur as described by Peter Drucker.
- GeneralClass 10How does Jean Baptiste Say envisage the role of the entrepreneur?
- GeneralClass 10According to a famous thinker Peter Drucker, innovation is a specific instrument of an entrepreneur. Hence he believes that an effective entrepreneur converts a source into a resource. When is a source converted into a resource? Explain with the help if an example.