darron

class Order < ActiveRecord::Base

   def processing_fee

     packages_with_processing_fees = ['Package', 'FamilyPackage', 'LadiesPackage', 'CompletePackage']
     fee = 0
     # Only apply fee if cart contains an item with processing fees
     fee = 3.00 if line_items.any? {|line_item| packages_with_processing_fees.include? line_item.item.class.to_s } 

       if customer

darron

#showlinks
	[email protected] do |link|
		%p= link_to( link.title, link.url, :title => link.title, :target => '_blank' )
#linknote
	%p Send this link to your friends:
	%b
		%a{:href => "/" } Dude

/ This works, but I am trying to put @instance_variable in the "/" and the "Dude"

darron

require 'feedzirra'

# fetching a single feed
feed = Feedzirra::Feed.fetch_and_parse("http://feeds.feedburner.com/PaulDixExplainsNothing")

# feed and entries accessors
feed.title          # => "Paul Dix Explains Nothing"
feed.url            # => "http://www.pauldix.net"
feed.feed_url       # => "http://feeds.feedburner.com/PaulDixExplainsNothing"
feed.etag           # => "GunxqnEP4NeYhrqq9TyVKTuDnh0"

darron

#!/bin/sh
# linux firewall/forwarding
modprobe iptable_nat
echo 1 | tee /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s 10.10.10.1/2 -o eth0 -j MASQUERADE
# install openvpn
apt-get update && apt-get install -y openvpn
cd /etc/openvpn/
INSTANCE=$(curl http://169.254.169.254/latest/meta-data/public-hostname)
openvpn --genkey --secret ${INSTANCE}.key

darron

Docker Cheat Sheet

Why

Why Should I Care (For Developers)

I don't care, I just want a dev environment

• https://github.com/relateiq/docker_public/
• docker-devenv

darron

set :domain,          ENV["domain"]
set :application,     domain
set :user,            ENV["user"]
set :destination,     ENV["destination"] || domain
set :web_conf,        ENV["web_conf"]    || ENV["environment"] || 'production'
raise "please set domain=app.domain.name.com" unless domain
raise "please set user=server_username"       unless user

set :port,            ENV["port"] || 1234
set :repository,      "."

darron

# Apt-Proxy hosting image
#
# VERSION       0.1.0

# Use a modified version of the Ubuntu base image provided by dotCloud
FROM fairchild/ubuntu
MAINTAINER Michael Fairchild [email protected]

ENV APT_PROXY apt.dockerdev.att.io
RUN apt-get update && apt-get install -y apt-cacher-ng

darron

Simple ambassador container

The Simple Ambassador Container (let's just call it the ambassador) is a reusable container which can be added to your stack to represent a remote service. Using an ambassador your application can discover remote services using docker's standard links features.

Usage

Example usage:

REDIS_REMOTE_IP=1.2.3.4

darron

echo "Flipping tables! (╯°□°）╯︵ ┻━┻"

num_rules=3

real=3    # exposed to the ELB as port 443
test=4    # used to install test certs for domain verification
health=5  # used by the ELB healthcheck

blue_prefix=855
green_prefix=866