thomas rossetto - container and microservices: a love story - codemotion milan 2017

A ❤ STORYCONTAINER AND MICROSERVICES:

👋 I’M THOMAS

NICE TO MEET YOU!

CONTAINER AND MICROSERVICES: A ❤ STORY

WHAT ABOUT THIS

❤ STORY ?

CONTAINER AND MICROSERVICES: A ❤ STORY

💼 MY FIRST WORK DAY

CONTAINER AND MICROSERVICES: A ❤ STORY

MICROSERVICE’S PROS

▸ Relatively small

▸ Improve fault isolation

▸ Develop & deploy independently

▸ Improves tuning & scaling

CONTAINER AND MICROSERVICES: A ❤ STORY

🏃 MY SECOND WORK DAY

CONTAINER AND MICROSERVICES: A ❤ STORY

IT WAS NOT SO GOOD

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

▸ Additional complexity of a distributed system

▸ Testing is more complex

▸ Internal process for communication purpose

▸ A bad APIs design it’s very dangerous

▸ Development environment it’s hard to setup

CONTAINER AND MICROSERVICES: A ❤ STORY

MICROSERVICE’S CONS

Development environment it’s

hard to setup 😤

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

OUR MICROSERVICES TECHNOLOGY/TOOLS

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

3 days * 2 people =

6 days!⬇

🗑

CONTAINER AND MICROSERVICES: A ❤ STORY

Context

&

CONTAINER AND MICROSERVICES: A ❤ STORY

( )

CONTAINER AND MICROSERVICES: A ❤ STORY

x days * y people =

z days!

🤔

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

Simulates isolate systems

Usable in more OS

Ready to use

Easy to install

Easy to use

🤔

CONTAINER AND MICROSERVICES: A ❤ STORY

💡

CONTAINER AND MICROSERVICES: A ❤ STORY

💡

CONTAINER AND MICROSERVICES: A ❤ STORY

🤓

CONTAINER AND MICROSERVICES: A ❤ STORY

Simulate isolate systems

Usable in more OS

Ready to use

Easy to install

Easy to use

🤔

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER FOR MAC/WINDOWS

Docker for Mac/Windows is an easy-to-install desktop app for building, debugging and testing

Dockerized apps on a Mac/PC. 

😎

CONTAINER AND MICROSERVICES: A ❤ STORY

Docker platform

Docker compose

Docker CLI

Docker Notary CLI

CONTAINER AND MICROSERVICES: A ❤ STORY

Docker platform

Docker compose Docker CLI

Docker Notary CLI

CONTAINER AND MICROSERVICES: A ❤ STORY

Simulate isolate systems

Usable in more OS

Ready to use

Easy to install

Easy to use

🤔

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

DEMO TIME

(

CONTAINER AND MICROSERVICES: A ❤ STORY

DEMO FILES

•Dockerfile

•docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

DOCKER IMAGE

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

FROM ruby RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs RUN mkdir /my_app WORKDIR /my_app RUN gem install rails

File: ./my_app/Dockerfile

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

FROM ruby RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs RUN mkdir /my_app WORKDIR /my_app RUN gem install rails

File: ./my_app/Dockerfile

CONTAINER AND MICROSERVICES: A ❤ STORY

https://hub.docker.com/

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

FROM ruby RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs RUN mkdir /my_app WORKDIR /my_app RUN gem install rails

File: ./my_app/Dockerfile

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

FROM ruby RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs RUN mkdir /my_app WORKDIR /my_app RUN gem install rails

File: ./my_app/Dockerfile

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER IMAGE

FROM ruby RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs RUN mkdir /my_app WORKDIR /my_app RUN gem install rails

File: ./my_app/Dockerfile

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

DOCKER COMPOSE

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

version: '3' services: web: build: ./my_app command: bash -c "bundle install --path=/cache && rails s -p 3000 -b '0.0.0.0'" ports: - "4000:3000" volumes: - ./my_app/my_rails_app:/myapp - ./my_app/gem_cache:/cache depends_on: - db db: image: postgres

DOCKER COMPOSEFile: ./docker-compose.yml

CONTAINER AND MICROSERVICES: A ❤ STORY

( )

WEB DB WEB DB

CONTAINER AND MICROSERVICES: A ❤ STORY

0.25 days * 2 people =

0.5 day!

CONTAINER AND MICROSERVICES: A ❤ STORY

CONTAINER AND MICROSERVICES: A ❤ STORY

IT’S TIME TO SAY GOODBYE 😢

CONTAINER AND MICROSERVICES: A ❤ STORY

BUT FIRST…

CONTAINER AND MICROSERVICES: A ❤ STORY

▸ Microservices

▸ Docker compose

▸ How portable and repeatable development environment save your time!

…WHAT HAVE WE SEEN TODAY?

CONTAINER AND MICROSERVICES: A ❤ STORY

SO, WHY I’M IN ❤?▸ Microservices architecture gave me a new point

of view

▸ Thanks to microservices, I found a way to use and understand containers

▸ Life is too short for waste your time

“YOUR WORK IS GOING TO FILL A LARGE PART OF YOUR LIFE, AND THE ONLY WAY TO BE TRULY SATISFIED IS TO DO WHAT YOU BELIEVE IS GREAT WORK. AND THE ONLY WAY TO DO GREAT WORK IS TO LOVE WHAT YOU DO.” STEVE JOBS

CONTAINER AND MICROSERVICES: A ❤ STORY

🙏 THANK YOU!

🙋1 QUESTIONS?

@Rosse91

Software developer @ Seesaw

Coordinator of Programmers in Padua

community

👋 THANKS FOR

COMING HAVE A NICE DAY

SEE YOU AROUND!