Cloud infrastructure, Kubernetes, WebAssembly on the server.
While virtual machines simulate an entire hardware stack and run their own operating system, containers only virtualize the OS. This means containers share a single operating system kernel, making them significantly faster and more efficient.
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Docker in 100 Seconds
The Docker universe relies on three fundamental elements: the Dockerfile, the immutable image, and the running container. The Dockerfile acts as code instructing Docker how to build the image snapshot, which can then be spun up into running containers.
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Docker in 100 Seconds
You define your build steps starting from a base image using the FROM instruction, install dependencies with RUN, and set a default startup command. Then you use the docker build command to create the image layer by layer, and bring it to life using docker run.
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Docker in 100 Seconds
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