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joaofnds/Dockerfile

Created July 16, 2018 14:01
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multi-stage rails build based on ruby:alpine
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Dockerfile
FROM joaofnds/rails-alpine as builder
RUN mkdir /app
WORKDIR /app
COPY Gemfile Gemfile.lock /app/
RUN bundle install
FROM joaofnds/rails-alpine
RUN mkdir /app
WORKDIR /app
COPY --from=builder /usr/local/bundle/ /usr/local/bundle/
COPY --from=builder /app/ /app/
COPY . /app
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