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3. What Are Containers?
At the start, Docker answered two important questions:
How can you build a Docker Image?3. What Are Containers?
At the start, Docker answered two important questions:
- How can you build a Docker Image?
-
For
example, we can specify instructions in
Dockerfileand create a Docker image.
- How can you run a Docker Image?
- Docker provides a Docker Runtime. Install it once and you can run any Docker image.
A running instance of a Docker image is called a container. You
might have multiple instances of a microservice running. Each instance is a
container.For
example, we can specify instructions in
Dockerfile and create a
Docker image.- Docker provides a Docker Runtime. Install it once and you can run any Docker image.
A running instance of a Docker image is called a container. You might have multiple instances of a microservice running. Each instance is a container.
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