Initial commit

Author: joaocosta

.env.db

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+MYSQL_ALLOW_EMPTY_PASSWORD=yes

.env.web

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+FROM ruby:2.3.1
+MAINTAINER Joao Costa <[email protected]>
+
+RUN apt-get update -qq && apt-get install -y build-essential nodejs mysql-client vim
+
+RUN mkdir /myapp
+WORKDIR /myapp
+
+COPY Gemfile Gemfile
+COPY Gemfile.lock Gemfile.lock
+
+RUN bundle install
+
+ADD . /myapp

Dockerfile

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+source 'https://rubygems.org'
+gem 'rails', '~> 5.0.0', '>= 5.0.0.1'

Gemfile

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+# Sample implementation of running a rails app + db in docker
+
+## Initialize rails app
+    docker-compose run web rails new . --force --database=mysql --skip-bundle
+
+## Configure database
+    sed -i.bak s/localhost/db/g config/database.yml
+
+## Edit Gemfile and update any required gems
+    vi Gemfile
+
+## Install the bundle in a reusable docker image
+    docker-compose build
+
+## Run application
+    docker-compose up -d

Gemfile.lock

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+version: '2'
+services:
+  web:
+    build: .
+    volumes:
+      - .:/myapp
+    ports:
+      - "3000:3000"
+    links:
+      - db
+    env_file:
+      - '.env.web'
+    entrypoint: /myapp/rails-entrypoint.sh
+    command: rails s -p 3000 -b '0.0.0.0'
+  db:
+    image: mariadb
+    ports:
+      - "13306:3306"
+    env_file:
+      - '.env.db'
+    volumes:
+      - /root/mysql_alertsapi:/var/lib/mysql

README.md

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+#!/bin/bash
+
+set -euo pipefail
+
+if [ -f tmp/pids/server.pid ]; then
+    rm tmp/pids/server.pid
+fi
+
+exec bundle exec "$@"