underhilllabs

There are a few additional steps I noticed to setting up a Sinatra app to work on Dokku. (These are probably also required for deploying an app to Heroku.)

original app.rb

require 'sinatra'

get '/' do
  "Your Sinatra app is not quite Dokku-fied!"
end

henrik

# Note: upper bound is 12:01:59 (you could use second precision to get around this, e.g. "12:01:00")

time = Time.mktime(2014, 10, 14,  12, 1)

allowed_ranges = [
  "11:59".."12:01",
]
formatted_time = time.strftime("%H:%M")
p allowed_ranges.any? { |range| range.cover?(formatted_time) }

henrik

Yosemite upgrade notes

From a (mostly) Ruby on Rails developer.

After doing the below everything seems to work (some of it worked before doing anything), including Ruby, Gems, RVM, Homebrew, VirtualBox/Vagrant VMs, Pow, tmux, git, vim.

0. Did a full-disk backup that I can restore from
1. Moved out /usr/local to avoid super slow install, per option 1 in https://jimlindley.com/blog/yosemite-upgrade-homebrew-tips/: sudo mv /usr/local ~/local
2. Upgraded to Yosemite
3. Restored /usr/local, per option 1 in https://jimlindley.com/blog/yosemite-upgrade-homebrew-tips/: sudo mv ~/local /usr

johnbintz

# be sure to comment out the require 'capistrano/deploy' line in your Capfile!

# config valid only for Capistrano 3.1
lock '3.2.1'

set :application, 'my-cool-application'

# the base docker repo reference
set :name, "johns-stuff/#{fetch(:application)}"

averyvery

config.assets.precompile += [

  # precompile any CSS or JS file that doesn't start with _
  /(^inline[^_\/]|\/[^_])[^\/]*.(js|css)$/,
  ...

inscapist

# This Dockerfile is intended to build a production-ready app image.
#
# This is not required for development environments

FROM sagittaros/rails-base:latest
MAINTAINER Felix Tioh <felix.tioh@crowdo.com>

COPY . /app
WORKDIR /app
EXPOSE 5000

decors

class Delegator(T)
  def initialize(@object : T)
  end

  def self.delegate(object)
    new(object)
  end

  forward_missing_to @object
end

bcardiff

unless ARGV.size > 0
  puts "  Missing executable file argument"
  puts "  Usage (in a Dockerfile)"
  puts "  RUN crystal run ./path/to/list-deps.cr -- ./bin/executable"
  exit 1
end

executable = File.expand_path(ARGV[0])

unless File.exists?(executable)

quelleck

#!/bin/sh

# Enable and disable HDMI output on the Raspberry Pi

is_off ()
{
	vcgencmd display_power | grep "display_power=0" >/dev/null
}

case $1 in

ruanbekker

Create NFS Volumes:

Creating the NFS Volume:

$ docker volume create --driver local \
  --opt type=nfs \
  --opt o=addr=192.168.1.115,uid=1000,gid=1000,rw \
  --opt device=:/mnt/volumes/mysql-test \
  mysql-test-1