MarcelMalik / docker_demo

docker demo for Berlin Docker meetup on 2017-12-13

Demo 1 - Images & Container

Build & Run echo1

cat docker_demo/demo_01/echo_1
docker build -f docker_demo/demo_01/echo_1 -t echo:01 docker_demo/demo_01
docker run echo:01

Build & Run echo2

cat docker_demo/demo_01/echo_2
docker build -f docker_demo/demo_01/echo_2 -t echo:02 docker_demo/demo_01
docker run echo:02
docker run -e ECHO_MESSAGE="welcome everyone" echo:02

Check Images and Containers

docker image ls
docker ps
docker ps -a

Demo 2

Files

cat docker_demo/demo_02/app_1
cat docker_demo/demo_02/code/app.py
cat docker_demo/demo_02/code/requirements.txt

build, run, logs, exec

docker build -f docker_demo/demo_02/app_1 -t app:01 docker_demo/demo_02/
docker run app:01
docker run -p 4000:5000 app:01
docker run -d -p 4000:5000 app:01
docker ps
docker logs <container_name>
docker logs -f <container_name>
docker exec -it <container_name> /bin/sh
(try ps inside, outside)
docker ps
docker stop <container_name>
docker ps

Demo 3

Files

cat docker_demo/demo_03/code/app.py
cat docker_demo/demo_03/code/requirements.txt
cat docker_demo/demo_03/app_2

Simple Build and Run

docker build -f docker_demo/demo_03/app_2 -t app:02 docker_demo/demo_03

docker run -d --name redis redis
docker run -d -p 4000:5000 --name app_2 --link redis app:02

docker stop app_2 redis
docker rm app_2 redis

Run - Volume, Networks

docker run -d --name redis -v /demo_data:/data redis
docker run -d -p 4000:5000 --name app_2 --link redis app:02

docker network create app_db
docker network ls
docker run -d --name redis --network app_db -v /demo_data:/data redis
docker run -d --name app_2 --network app_db -p 4000:5000  app:02
docker run --rm --network app_db redis redis-cli -h redis info server
alias redis-cli='docker run --rm --network app_db redis redis-cli -h redis'
redis-cli get hits
redis-cli set hits 

docker-compose - Install

curl -L https://github.com/docker/compose/releases/download/1.17.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

docker-compose - Build & Run

cd docker_demo/demo_03/
docker-compose build
docker-compose up
docker-compose up -d
docker ps
docker-compose ps
docker-compose logs
docker-compose stop
docker-compose rm

Demo 4

Docker Swarm - Setup

docker swarm init
docker swarm join-token worker
docker swarm join-token manager
docker node ls

Docker Swarm - Create a service

docker service create --name hello hello-world
docker service ls
docker service ps hello
docker service logs hello
docker service rm hello