Move scheduler back to separate container

Closes #94

README.md

@@ -56,12 +56,6 @@ To run locally with Docker, type
 docker-compose up -d
 ```
 
-Then seed data with
-
-```bash
-docker-compose run web rake db:migrate rates:reload
-```
-
 Now you can access the API at
 
 ```

app/Dockerfile

@@ -4,6 +4,6 @@ RUN mkdir /app
 WORKDIR /app
 ADD Gemfile /app/Gemfile
 ADD Gemfile.lock /app/Gemfile.lock
-RUN bundle install --without development test
+RUN bundle install --jobs=8 --without development
 ADD . /app
 CMD ["unicorn", "-c", "./config/unicorn.rb"]

app/bin/schedule

@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+system 'rake db:setup'
+
+require 'rufus-scheduler'
+
+scheduler = Rufus::Scheduler.new
+scheduler.cron '*/15 15,16,17 * * 1-5', timeout: '1m' do
+  system 'rake rates:update'
+end
+scheduler.join

app/config/unicorn.rb

@@ -9,8 +9,3 @@ timeout 10
 before_fork do |_, _|
   Sequel::DATABASES.each(&:disconnect)
 end
-
-fork do
-  require_relative 'environment'
-  require 'schedule'
-end

app/lib/schedule.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-require 'bank'
-require 'rufus-scheduler'
-
-schedule = Rufus::Scheduler.new
-
-schedule.cron '*/15 15,16,17 * * 1-5' do
-  Bank.fetch_current_rates!
-end
-
-schedule.join

app/lib/tasks/db.rake

@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
 namespace :db do
-  desc 'Create db'
-  task :create do
-    `createdb fixer`
-  end
-
   desc 'Run database migrations'
   task migrate: :environment do
     Sequel.extension(:migration)
@@ -16,4 +11,6 @@ namespace :db do
 
     Sequel::IntegerMigrator.new(db, dir, opts).run
   end
+
+  task setup: %w[db:migrate rates:reload]
 end

app/lib/tasks/test.rake

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-return if ENV['RACK_ENV'] == 'production'
+return unless defined?(Rubocop)
 
 require 'rake/testtask'
 require 'rubocop/rake_task'
@@ -13,4 +13,4 @@ end
 
 RuboCop::RakeTask.new
 
-task default: %w[db:migrate rates:reload test rubocop]
+task default: %w[db:setup test rubocop]

docker-compose.override.yml

@@ -6,6 +6,10 @@ services:
     environment:
       RACK_ENV: development
       VIRTUAL_HOST: localhost
-  nginx-proxy:
     ports:
-      - '8080:80'
+      - "8080:8080"
+  scheduler:
+    build:
+      context: ./app
+    environment:
+      RACK_ENV: development

docker-compose.prod.yml

@@ -10,7 +10,16 @@ services:
         max-size: "50m"
         max-file: "10"
     restart: unless-stopped
+  scheduler:
+    env_file: .env
+    image: hakanensari/fixer
+    logging:
+      options:
+        max-size: "50m"
+        max-file: "10"
+    restart: unless-stopped
   nginx-proxy:
+    image: jwilder/nginx-proxy
     labels:
       - "com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy=true"
     logging:
@@ -23,6 +32,7 @@ services:
     restart: unless-stopped
     volumes:
       - /etc/nginx/conf.d
+      - /var/run/docker.sock:/tmp/docker.sock:ro
       - ./limit_req.conf:/etc/nginx/conf.d/limit_req.conf:ro
       - certs:/etc/nginx/certs:ro
       - html:/usr/share/nginx/html

docker-compose.yml

@@ -6,16 +6,19 @@ services:
       - data:/var/lib/postgresql/data
   web:
     command: unicorn -c config/unicorn.rb
+    entrypoint: bin/wait-for-it.sh db:5432 -s --
     environment:
       DATABASE_URL: postgres://postgres@db/postgres
-    entrypoint: ./wait-for-it.sh db:5432 -s --
     expose:
       - '8080'
     links:
       - db
-  nginx-proxy:
-    image: jwilder/nginx-proxy
-    volumes:
-      - /var/run/docker.sock:/tmp/docker.sock:ro
+  scheduler:
+    command: bin/schedule
+    entrypoint: bin/wait-for-it.sh db:5432 -s --
+    environment:
+      DATABASE_URL: postgres://postgres@db/postgres
+    links:
+      - db
 volumes:
   data: