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[Docker 배우기] Section 9. Container Orchestration - Docker Swarm & Kubernetes

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Container Orchestration is used to host multiple containers over multiple hosts by using scripts and codes. Some solution scales containers automatically and even scale hosts Famous container orchestration solutions: Docker Swarm Kubernetes Mesos Docker Swarm Distributes containers over many hosts for higher availability and load balan..

[Docker 배우기] Section 7. Docker Engine, Storage, and Networking

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Docker Engine Docker Engine is composed of: Docker CLI: running command does not have to be on the same machine with other parts can use the docker -H option to connect to the remote docker-engine REST API: interact with docker Deamon Docker Deamon: running in the background to execute tasks PID: id for a process that is unique to the ..

[Docker 배우기] Section 5. Docker Compose

Docker for the Absolute Beginner - Hands On - DevOps | Udemy docker-compose: allows to run and manage multiple containers with a single YAML file dictionary with the image name, and under each image name, put parameters as key-value pairs putting build under the image name builds the image first before running the container by using version 2 of docker-compose, the images are all linked need to ..

[Docker 배우기] Section 4. Docker Images

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Dockerfile can be used to make a custom docker image. FROM: starting image from another image RUN: executes certain commands behind it COPY: copy certain files to the image ENTRYPOINT: specify a command that runs when the container is started the parameter can be delivered by appending the parameter to docker run ENV: specify environme..

[Docker 배우기] Section 3. Docker Run

Docker for the Absolute Beginner - Hands On - DevOps | Udemy docker run with tag: by putting: after the image name allows for the specification of version/tag if not specified, the latest tag is used docker run -i: open the container with an interactive mode where input is possible docker run -it: open the container with an interactive mode where input is possible and the console turns into a ps..