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Install Airflow

1. Install Airflow

Follow the installation instructions on the Airflow website.

Update Airflow Configurations

To configure Airflow to use Postgres rather than the default Sqlite3, go to airflow.cfg and update this configuration to LocalExecutor:

# The executor class that airflow should use. Choices include

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Production Checklist

Code Quality

Some Additional Resources:

• Software Development Skills for Data Scientists

Testing

Tools

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This is a tutorial for a mini data science quiz app that we will deploy to Heroku. You'll find the completed code here.

This simple app is based on the gettting started tutorial from the framework's creators, Pocoo.

0. Install Flask

If you're an Anaconda user, run:

conda install flask

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class CheckoutsController < ApplicationController
  ...
  
  def create
    @checkout = @item.checkouts.build(checkout_params)
    respond_to do |format|
      if @checkout.save
        if @checkout.reservation == true
          @checkout.create_activity :reservation, options = { owner: Person.find(@checkout.checked_out_by), recipient: @item, approved_by_id: @user.id }
        else

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source 'https://rubygems.org'

gem 'rails', '4.1.1'
gem 'pg'
gem 'sass-rails', '~> 4.0.3'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.0.0'
gem 'therubyracer',  platforms: :ruby

gem 'devise'

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# Description:
#   Forgetful? Add reminders
#
# Dependencies:
#   None
#
# Configuration:
#   None
#
# Commands:

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# /app/controllers/digitize_steps_controller.rb
...
responds_to :js
...
  def form
  end
...

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# /app/models/digitize_step

class DigitizeStep < ActiveRecord::Base
  belongs_to :process_step
end

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class Person < ActiveRecord::Base
  
  ...
  
  def destroy_door_access
    if self.door_accesses.first
      self.door_accesses.first.destroy
    else
      true
    end

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#Testing Best Practices

##Unit Testing with Rspec 

Rspec Core Syntax

Rspec Expectations

Rspec Matchers