add-docker

Dockerfile

@@ -0,0 +1,13 @@
+FROM ruby:2.6.0
+
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+
+RUN mkdir /shopify-2019
+WORKDIR /shopify-2019
+
+COPY Gemfile /shopify-2019/Gemfile
+COPY Gemfile.lock /shopify-2019/Gemfile.lock
+
+RUN bundle install
+
+COPY . /shopify-2019

config/database.yml

@@ -17,6 +17,8 @@
 default: &default
   adapter: postgresql
   encoding: unicode
+  host: db
+  username: postgres
   # For details on connection pooling, see Rails configuration guide
   # http://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>

docker-compose.yml

@@ -0,0 +1,17 @@
+version: '3'
+services:
+  db:
+    image: postgres:9.6
+    ports:
+          - "5432"
+    volumes:
+      - ./tmp/db:/var/lib/postgresql/data
+  web:
+    build: .
+    command: bundle exec rails s -p 3000 -b '0.0.0.0'
+    volumes:
+      - .:/shopify-2019
+    ports:
+      - "3000:3000"
+    depends_on:
+      - db