first commit

Dockerfile

@@ -0,0 +1,48 @@
+FROM ruby:alpine as base
+
+WORKDIR /app
+
+RUN <<EOT
+  gem update --system --no-document
+  gem install -N bundler
+  apk update
+  apk upgrade --no-cache
+EOT
+
+
+FROM base AS build
+
+RUN <<EOT
+  apk add gcc musl-dev ruby-dev make
+EOT
+
+COPY Gemfile* .
+
+RUN <<EOT
+  bundle config set --local without development
+  bundle install
+EOT
+
+FROM build as dev
+
+WORKDIR /app
+
+RUN <<EOT
+  bundle install
+EOT
+
+CMD [ "sleep", "infinity" ]
+
+FROM base
+
+# RUN useradd ruby --home /app --shell /bin/sh
+RUN adduser ruby -h /app -D
+USER ruby:ruby
+
+COPY --from=build /usr/local/bundle /usr/local/bundle
+COPY --from=build --chown=ruby:ruby /app /app
+
+COPY --chown=ruby:ruby . .
+
+EXPOSE 4567
+CMD [ "bundle", "exec", "rackup", "--host", "0.0.0.0", "--port", "4567" ]