gistfile1.txt

```
FROM ruby:3.1.2-alpine

RUN apk add --no-cache \
      build-base \
      postgresql-dev \
      git \
      nodejs \
      npm \
      yarn \
      tzdata \
      vim

WORKDIR /app

COPY Gemfile* /app/
RUN bundle config --local frozen 1 && \
    bundle install -j4 --retry 3

COPY . /app/

RUN chmod a+x docker/scripts/*.sh
ENTRYPOINT ["sh","docker/scripts/startup.sh"]



version: "3.9"

services:
  db:
    image: postgres:14-alpine
    environment:
    volumes:
      - db-data:/var/lib/postgresql/data

  app: &app_base
    build:
      context: ./backend/
      ports:
        - 3000
    links:
      - db

volumes:
  db-data:
```