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Docker Compose in 12 Minutes
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‎LICENSE.md

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MIT License
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Copyright (c) 2017 Jake Wright
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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# Tutorials
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<img align="right" src="http://i.giphy.com/QHE5gWI0QjqF2.gif" width="260 "/>
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This repository contains the source code from the YouTube tutorials at http://youtube.com/jaketvee.

‎docker/02-docker-compose/README.md

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# Docker Compose in 12 Minutes
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Docker compose is a tool for defining and running multi-container Docker applications. In this tutorial I show you the basics of Docker Compose, including how to write a `docker-compose.yml` file for a simple two-container e-commerce style website.
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[Watch Docker Compose in 12 Minutes on YouTube](https://youtu.be/Qw9zlE3t8Ko)
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# Getting started
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This directory contains the source code from the tutorial. To run the application, `cd` into this directory and run `docker-compose up`. The product service and the website will start (if necessary, docker-compose will automatically build the containers).

‎docker/02-docker-compose/docker-compose.yml

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version: '3'
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services:
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product-service:
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build: ./product
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volumes:
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- ./product:/usr/src/app
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ports:
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- 5001:80
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website:
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image: php:apache
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volumes:
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- ./website:/var/www/html
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ports:
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- 5000:80
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depends_on:
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- product-service

‎docker/02-docker-compose/product/Dockerfile

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FROM python:3-onbuild
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COPY . /usr/src/app
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CMD ["python", "api.py"]

‎docker/02-docker-compose/product/api.py

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# Product Service
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# Import framework
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from flask import Flask
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from flask_restful import Resource, Api
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# Instantiate the app
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app = Flask(__name__)
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api = Api(app)
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class Product(Resource):
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def get(self):
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return {
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'products': ['Ice cream', 'Chocolate', 'Fruit', 'Eggs']
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}
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# Create routes
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api.add_resource(Product, '/')
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# Run the application
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=80, debug=True)

‎docker/02-docker-compose/product/requirements.txt

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Flask==0.12
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flask-restful==0.3.5

‎docker/02-docker-compose/website/index.php

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<html>
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<head>
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<title>My Shop</title>
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</head>
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<body>
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<h1>Welcome to my shop</h1>
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<ul>
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<?php
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$json = file_get_contents('http://product-service/');
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$obj = json_decode($json);
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$products = $obj->products;
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foreach ($products as $product) {
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echo "<li>$product</li>";
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}
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?>
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</ul>
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</body>
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</html>

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