add dockerfile and docker-compose.yml

Dockerfile

@@ -0,0 +1,16 @@
+FROM ruby:2.3.0
+
+ENV WORKER_PROCESSES 4
+ENV DATABASE_URL postgres://postgres:mysecretpassword@postgres/fixer
+ENV VERSION 1
+
+RUN mkdir /fixer-io
+WORKDIR /fixer-io
+ADD Gemfile /fixer-io/Gemfile
+ADD Gemfile.lock /fixer-io/Gemfile.lock
+RUN bundle install --deployment --without development:test
+ADD . /fixer-io
+
+EXPOSE 8080
+
+CMD bundle exec unicorn -p 8080 -c /fixer-io/config/unicorn.rb

docker-compose.yml

@@ -0,0 +1,20 @@
+version: '2'
+services:
+  postgres:
+    image: postgres
+    ports:
+      - 5432:5432
+    environment:
+      - POSTGRES_DB=fixer
+  fixer:
+    build: .
+    command: bundle exec unicorn -p 8080 -c /fixer-io/config/unicorn.rb
+    volumes:
+      - .:/fixer-io
+    ports:
+      - 8080:8080
+    environment:
+      - RACK_ENV=production
+      - DATABASE_URL=postgres://postgres:mysecretpassword@postgres/fixer
+    depends_on:
+      - postgres