DevOps/Docker

[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..

[Docker 배우기] Section 2. Docker Commands

Docker for the Absolute Beginner - Hands On - DevOps | Udemy docker run: runs the container downloads the image if it is not locally stored appending a command behind allows execution of the command after running the container running the container with -d tag allows it to run in the background and not on the console docker ps: lists current running containers by adding -a, it also shows stopped..

[Docker 배우기] Section 1. Introduction

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Docker Overview Docker allows to run each service with its dependencies in separate containers. Containers: a completely independent environment that runs on OS kernels ex) Linux kernel: allows to run CentOS, Fedora, etc Cannot run Windows container on Linux kernel VM vs Containers VM Container Uses Hypervisor Uses container engine Mul..