Dockerize Ruby backend of the multi-service application for local development

docker-compose.yaml

services:
  app: &app
    build:
      context: .
      dockerfile: Dockerfile.dev
      args:
        PG_VERSION: '9.6'
    image: amplifr-dev:0.1.0
    volumes:
      - .:/app:cached
      - bundle:/bundle
    environment:
      # environment settings
      - BUNDLE_PATH=/bundle
      - BUNDLE_CONFIG=/app/.bundle/config
      - RAILS_ENV=${RAILS_ENV:-development}

      - DATABASE_URL=postgresql://postgres@postgres/amplifr_${RAILS_ENV}
      - REDIS_URL=redis://redis:6379/

      # service integrations
      - FRONTEND_URL=https://frontend-server:3001/
      - LOGUX_URL=http://logux-server:31338
    depends_on:
      - postgres
      - redis
    tmpfs:
      - /tmp
      

  runner:
    <<: *app
    stdin_open: true
    tty: true
    command: /bin/bash
    networks:
      default:
      internal:

  server:
    <<: *app
    stdin_open: true
    tty: true
    command: bundle exec thin start
    networks:
      default:
      internal:
        aliases:
          - backend-server
    ports:
      - '3000:3000'

  sidekiq:
    <<: *app
    command: sidekiq

  postgres:
    image: postgres:9.6
    volumes:
      - postgres:/var/lib/postgresql/data
    ports:
      - 5432

  redis:
    image: redis:3.2-alpine
    volumes:
      - redis:/data
    ports:
      - 6379

volumes:
  postgres:
  redis:
  bundle:

networks:
  internal:

Dockerfile.dev

FROM ruby:2.6.1

ARG PG_VERSION
ARG NODE_VERSION
ARG TINI_VERSION=v0.18.0

RUN curl -sSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
  && echo 'deb http://apt.postgresql.org/pub/repos/apt/ stretch-pgdg main' $PG_VERSION > /etc/apt/sources.list.d/pgdg.list \
  && curl -o /tmp/nodejs.deb https://deb.nodesource.com/node_11.x/pool/main/n/nodejs/nodejs_$NODE_VERSION-1nodesource1_amd64.deb \
  && apt-get update -qq \
  && apt-get install -yq --no-install-recommends \
    build-essential \
    less \
    vim \
    postgresql-client-$PG_VERSION \
    /tmp/nodejs.deb \
    libidn11-dev libldap2-dev \
    fontconfig \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

COPY ./app/assets/fonts/Helvetica.ttf /usr/share/fonts/truetype/Helvetica.ttf

RUN fc-cache -vf

RUN npm install phantomjs-prebuilt \
  && ln -s /node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /usr/local/bin/phantomjs \
  && rm -rf /tmp/phantomjs

ENV LANG=C.UTF-8 \
  GEM_HOME=/bundle \
  BUNDLE_JOBS=4 \
  BUNDLE_RETRY=3
ENV BUNDLE_PATH $GEM_HOME
ENV BUNDLE_APP_CONFIG=$BUNDLE_PATH \
  BUNDLE_BIN=$BUNDLE_PATH/bin
ENV PATH $BUNDLE_BIN:$PATH

RUN mkdir -p /app
WORKDIR /app