Dockerfile
# syntax=docker/dockerfile:1
ARG NODE_VERSION
ARG RUBY_VERSION
### Frontend ###
FROM node:${NODE_VERSION}-alpine as frontend
ARG NPM_VERSION
RUN --mount=type=cache,id=loot-npm,target=/root/.npm \
npm install --global npm@$NPM_VERSION
WORKDIR /build
COPY --link package*.json ./
RUN --mount=type=cache,id=loot-npm,target=/root/.npm \
npm ci
COPY --link \
tsconfig.json \
webpack.common.js \
webpack.prod.js ./
COPY --link src src/
RUN npm run build
### Backend ###
FROM ruby:${RUBY_VERSION}-alpine as backend
RUN apk add --no-cache \
build-base \
postgresql-dev
WORKDIR /build
ENV RACK_ENV=production
COPY --link \
.tool-versions \
Gemfile* ./
RUN --mount=type=cache,id=loot-bundler,target=tmp/vendor/bundle \
bundle config set --local without development:test; \
bundle config set --local deployment true; \
bundle config set --local clean true;\
bundle config set --local path tmp/vendor/bundle; \
bundle install --jobs=4; \
cp -a tmp/vendor ./;
### App ###
FROM ruby:${RUBY_VERSION}-alpine as app
RUN apk add --no-cache \
libpq \
tzdata
RUN adduser --system --uid 100 loot
USER loot
WORKDIR /loot
ENV RACK_ENV=production
ENV RAILS_ENV=production
ENV TZ=Australia/Sydney
RUN \
bundle config set --local without development:test; \
bundle config set --local deployment true;
COPY --link --chown=100 \
.tool-versions \
config.ru \
Gemfile* \
Rakefile ./
COPY --link --chown=100 db db/
COPY --link --chown=100 config config/
COPY --link --chown=100 app app/
COPY --link --chown=100 --from=backend build/vendor/bundle vendor/bundle/
COPY --link --chown=100 --from=frontend build/public public/
EXPOSE 3000
CMD ["bundle", "exec", "puma"]