Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Docker 101
Search
Alexandre González
December 17, 2015
Technology
4
190
Docker 101
Slides of the talk given at jobandtalent.com
Alexandre González
December 17, 2015
Tweet
Share
More Decks by Alexandre González
See All by Alexandre González
Building an Enterprise-Ready Lambda Experience
agonzalezro
0
85
Fragmentación, el virus que puede acabar con tu alta disponibilidad (con ejemplos para kubernetes)
agonzalezro
0
410
From source code to Kubernetes, a Continuous Deployment tale
agonzalezro
0
100
From pets to cattle, the way of Kubernetes
agonzalezro
2
600
Python, Kubernetes & friends
agonzalezro
0
450
Kubernetes 101
agonzalezro
0
630
Custom Volume Plugins
agonzalezro
1
1.3k
Go 101 updated
agonzalezro
0
770
Kubernetes Volume Plugins: Flocker
agonzalezro
2
750
Other Decks in Technology
See All in Technology
登壇ネタの見つけ方 / How to find talk topics
pinkumohikan
5
550
AIの最新技術&テーマをつまんで紹介&フリートークするシリーズ #1 量子機械学習の入門
tkhresk
0
140
Witchcraft for Memory
pocke
1
630
怖くない!はじめてのClaude Code
shinya337
0
240
Fabric + Databricks 2025.6 の最新情報ピックアップ
ryomaru0825
1
150
ドメイン特化なCLIPモデルとデータセットの紹介
tattaka
1
230
強化されたAmazon Location Serviceによる新機能と開発者体験
dayjournal
3
230
生成AI時代の開発組織・技術・プロセス 〜 ログラスの挑戦と考察 〜
itohiro73
1
340
A2Aのクライアントを自作する
rynsuke
1
220
監視のこれまでとこれから/sakura monitoring seminar 2025
fujiwara3
11
4k
PHPでWebブラウザのレンダリングエンジンを実装する
dip_tech
PRO
0
210
Oracle Cloud Infrastructure:2025年6月度サービス・アップデート
oracle4engineer
PRO
2
290
Featured
See All Featured
BBQ
matthewcrist
89
9.7k
GitHub's CSS Performance
jonrohan
1031
460k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
45
7.5k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
How to Think Like a Performance Engineer
csswizardry
24
1.7k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
657
60k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
138
34k
Producing Creativity
orderedlist
PRO
346
40k
Why Our Code Smells
bkeepers
PRO
337
57k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
181
53k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
22k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
20
1.3k
Transcript
Docker 101
What is Docker?
Why is it different?
VM model vs Docker model
Pros
• Rapid app deployment • Portability • Version control •
Lightweight • Inmutable • ...
Cons
• New tooling needed • Addoption • Orchestration • <-
putYourOwn
Hands on!
docker-machine $ docker-machine create --driver virtualbox jt $ eval $(docker-machine
env jt)
docker run $ docker run -it ubuntu d9f46b212a12fba0091f0f...
docker images vs docker ps $ docker images REPOSITORY TAG
IMAGE ID CREATED VIRTUAL SIZE ubuntu latest d55e68e6cc9c 5 days ago 187.9 MB $ docker ps CONTAINER ID IMAGE COMMAND CREATED... 12fba0091f0f ubuntu "sleep 10s" 2 seconds ago... c8e8b387fba7 ubuntu "yes" 2 seconds ago...
docker logs $ docker run -d ubuntu find / db943d94d68011757ffad50a94727ec0fda1a70245f1b6c09f46...
$ docker logs db943d94d68011757ff1b6c09f46... | head -n4 / /.dockerinit /etc /etc/resolv.conf
registry
docker pull $ docker pull ubuntu Using default tag: latest
latest: Pulling from library/ubuntu 9377ad319b00: Pull complete a82f81f25750: Pull complete b207c06aba70: Pull complete d55e68e6cc9c: Pull complete library/ubuntu:latest: The image you are pulling has... Digest: sha256:a2b67b6107aa6b1a387e75eebafd7c...
docker push $ docker tag d55e68e6cc9c agonzalezro/jt $ docker push
agonzalezro/jt The push refers to a repository [docker.io/agonzalezro/jt] (len: 1) d55e68e6cc9c: Image successfully pushed b207c06aba70: Image successfully pushed a82f81f25750: Image successfully pushed 9377ad319b00: Image successfully pushed latest: digest: sha256:b385f1dfb6fcda517d1... size: 7739
extra cmds
$ docker stop $ docker pause $ docker unpause $
docker start $ docker rm $ docker rmi ... AKA RTM
Dockerfiles
Dockerfile FROM debian:stable RUN apt-get update && apt-get install -y
--force-yes apache2 EXPOSE 80 443 VOLUME ["/var/www", "/var/log/apache2", "/etc/apache2"] ENTRYPOINT ["/usr/sbin/apache2ctl", "-D", "FOREGROUND"]
What to do next? $ docker build -t agonzalezro/jt .
$ docker push agonzalezro/jt
Compose
docker-compose.yml db: image: postgres ports: - “5432” companies: links: -db
web_core: build: ../web_core command: bundle exec rails s -p 3000 -b ‘0.0.0.0’ ports: - ”3000:3000”
Hassle “free”
Thanks!