Docker Container Image
(Redirected from Docker Image)
A Docker Container Image is a template (specified by a Dockerfile) that can be instantiated into a Docker container.
- AKA: Docker Container Template.
- Context:
- It can (typically) be comprised of a series of Docker Image Layers (filesystem changes with a unique ID)
- It can (typically) contains all the data and meta data needs to run its containers.
- It can (typically) be immutable. Read-only template
- It can be stored in a Docker Image Repository, such as: Docker HUB.
- …
- Example(s):
- See: Docker Platform, AWS ECS, Docker Daemon.
References
2016b
- https://www.infoworld.com/article/3077875/containers-101-docker-fundamentals.html
- QUOTE: ... Docker is both a development tool and a runtime environment. To understand Docker, we must first understand the concept of a Docker container image. A container always starts with an image and is considered an instantiation of that image. An image is a static specification of what the container should be in runtime, including the application code inside the container and runtime configuration settings. Docker images contain read-only layers, which means that once an image is created it is never modified. …
2016a
- https://play.google.com/store/apps/details?id=comnkawe.docker.tutoria
- QUOTE: Docker Image - Is a template. Image contains all the data and meta data needed to run the contains are launched from the image.