Docker - Getting started

May 13, 2020

Basis-Checks

code

docker --version
docker info
docker run hello-world
docker ps
docker ps -a
docker images

Beispiel: Getting Started App

code

git clone https://github.com/docker/getting-started.git
cd getting-started
docker build -t docker101tutorial .
docker run -d -p 80:80 --name docker-tutorial docker101tutorial

Docker vs. Docker Compose

Docker: einzelne Container
Compose: mehrere Container via docker-compose.yml

Docker beim Boot starten

code

systemctl list-units --type service | rg -i docker
sudo systemctl enable docker

Restart Policies

code

docker run -d --restart unless-stopped foo

Policies:

no
on-failure
always
unless-stopped

Compose:

code

services:
  web:
    image: apache
    restart: always

Docker - Getting started

Basis-Checks

Beispiel: Getting Started App

Docker vs. Docker Compose

Docker beim Boot starten

Restart Policies

Links