Add scheduler

.env.example

@@ -0,0 +1,4 @@
+LETSENCRYPT_EMAIL=foo@bar.com
+LETSENCRYPT_HOST=example.com,www.example.com
+RACK_ENV=production
+VIRTUAL_HOST=example.com,www.example.com

.env.sample

@@ -1,4 +0,0 @@
-LETSENCRYPT_EMAIL=jane@example.com
-LETSENCRYPT_HOST=api.fixer.io
-RACK_ENV=production
-VIRTUAL_HOST=api.fixer.io

app/Gemfile

@@ -9,6 +9,7 @@ gem 'kgio'
 gem 'oj'
 gem 'rack-cors'
 gem 'rake'
+gem 'rufus-scheduler'
 gem 'sequel_pg'
 gem 'sinatra'
 gem 'unicorn'

app/Gemfile.lock

@@ -3,6 +3,8 @@ GEM
   specs:
     ast (2.3.0)
     coderay (1.1.2)
+    et-orbi (1.0.8)
+      tzinfo
     fixer (0.7.0)
     kgio (2.11.0)
     method_source (0.9.0)
@@ -37,6 +39,8 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.9.0)
+    rufus-scheduler (3.4.2)
+      et-orbi (~> 1.0)
     sequel (5.2.0)
     sequel_pg (1.8.0)
       pg (>= 0.18.0)
@@ -48,7 +52,10 @@ GEM
       rack (~> 2.0)
       rack-protection (= 2.0.0)
       tilt (~> 2.0)
+    thread_safe (0.3.6)
     tilt (2.0.8)
+    tzinfo (1.2.4)
+      thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     unicorn (5.3.1)
       kgio (~> 2.6)
@@ -68,6 +75,7 @@ DEPENDENCIES
   rack-test
   rake
   rubocop
+  rufus-scheduler
   sequel_pg
   shotgun
   sinatra

app/bin/schedule

@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require_relative '../config/environment'
+require 'rake'
+require 'rufus-scheduler'
+
+schedule = Rufus::Scheduler.new
+
+schedule.cron '*/15 15,16,17 * * 1-5' do
+  load 'tasks/rates.rake'
+  Rake::Task['rates:update'].execute
+end
+
+schedule.join

app/config/app.rb

@@ -10,7 +10,7 @@ module App
     end
 
     def root
-      Pathname.pwd
+      Pathname.new(File.expand_path('..', __dir__))
     end
   end
 end

app/config/schedule.rb

@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-job_type :rake, 'cd :path && foreman run bundle exec rake :task --silent :output'
-
-every '*/15 13,14,15,16,17 * * 1-5' do
-  rake 'rates:update'
-end

app/lib/tasks/rates.rake

@@ -1,13 +1,11 @@
 # frozen_string_literal: true
 
 namespace :rates do
-  task setup: :environment do
+  desc 'Load all rates'
+  task load: :environment do
     require 'currency'
     require 'fixer'
-  end
 
-  desc 'Load all rates'
-  task load: :setup do
     Currency.db.transaction do
       Currency.dataset.delete
       data = Fixer::Feed.new(:historical)
@@ -16,7 +14,10 @@ namespace :rates do
   end
 
   desc 'Update rates'
-  task update: :setup do
+  task update: :environment do
+    require 'currency'
+    require 'fixer'
+
     Fixer::Feed.new.each do |hsh|
       Currency.find_or_create(hsh)
     end

docker-compose.yml

@@ -15,6 +15,14 @@ services:
       - '8080'
     links:
       - db
+  scheduler:
+    build:
+      context: ./app
+    command: bin/schedule
+    environment:
+      DATABASE_URL: postgres://postgres@db/postgres
+    links:
+      - db
   nginx-proxy:
     image: jwilder/nginx-proxy
     volumes: