add dockerfile

.dockerignore

@@ -0,0 +1,6 @@
+.bundle
+.platform
+.sass-cache
+/output_*
+_www
+vendor

Dockerfile

@@ -0,0 +1,27 @@
+FROM ruby:2.4-alpine3.6 as ruby
+FROM php:7.2-alpine3.6 as build
+
+COPY --from=ruby /usr/local /usr/local
+
+# since this is an intermediate layer, we can safely use as many RUN layers as we want, and take advantage of granular caching.
+
+RUN apk add --no-cache yaml build-base libffi-dev zlib-dev git zip
+
+# workaround for https://github.com/docker-library/php/issues/240
+RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ gnu-libiconv
+ENV LD_PRELOAD /usr/lib/preloadable_libiconv.so php
+
+RUN docker-php-ext-install -j$(getconf _NPROCESSORS_ONLN) zip
+RUN curl -sSL https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+RUN composer global require hirak/prestissimo
+
+WORKDIR /app
+COPY . /app
+RUN bundle install
+RUN composer install
+RUN bin/build.sh
+
+FROM nginx:alpine as nginx
+
+RUN sed -i '11i try_files $uri $uri/index.html $uri/ =404;' /etc/nginx/conf.d/default.conf
+COPY --from=build /app/output_dev /usr/share/nginx/html