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Murray Bryant • June 24, 2019 2:28am

Hi Chris

In your documentation you say you provide a docker-compose.yml, however I can't find it anywhere in the repository.

thanks

Murray Bryant • June 24, 2019 4:15am

For others, [as well as comments on how to do it better]

To setup with Docker compose I did the following.

1. Created a project directory and added it to git
2. Cloned into project/rails subdirectory
3. created docker-compose.yml in root
4. copied Docker file into root from rails directory.

Issues

1. tzdata needs to be installed on alpine
2. Added check files to yarn install. Didn't help so disabled check

in config/development.rb

config.webpacker.check_yarn_integrity = false

Dockerfile edits

FROM ruby:2.6.3-alpine

RUN apk add --update --virtual \
  runtime-deps \
  postgresql-client \
  build-base \
  libxml2-dev \
  libxslt-dev \
  nodejs \
  yarn \
  libffi-dev \
  readline \
  build-base \
  postgresql-dev \
  libc-dev \
  linux-headers \
  readline-dev \
  file \
  imagemagick \
  git \
  tzdata \
  && rm -rf /var/cache/apk/*

WORKDIR /app
ADD rails/. /app/

ENV BUNDLE_PATH /gems
RUN yarn install --check-files
RUN bundle install

ENTRYPOINT ["bin/rails"]
CMD ["s", "-b", "0.0.0.0"]

EXPOSE 3000

docker-compose.yml

version: "2.4"

services:
  web:
    build: .
    volumes:
      - ./rails:/app
    working_dir: /app
    ports:
      - 3000:3000
    depends_on:
      - db
    environment:
      DATABASE_URL: postgres://postgres@db
  db:
    image: mdillon/postgis:11
    ports:
      - 5432:5432

Murray Bryant • June 24, 2019 6:48am

modifying the gems becomes a pain real quick.

Here is a much better method thanks to

https://anonoz.github.io/tech/2019/03/10/rails-docker-compose-yml.html

Dockerfile.dev

FROM ruby:2.6.3-alpine

RUN apk add --update --virtual \
  runtime-deps \
  postgresql-client \
  build-base \
  libxml2-dev \
  libxslt-dev \
  nodejs \
  yarn \
  libffi-dev \
  readline \
  build-base \
  postgresql-dev \
  libc-dev \
  linux-headers \
  readline-dev \
  file \
  imagemagick \
  git \
  tzdata \
  && rm -rf /var/cache/apk/*

WORKDIR /app
ADD rails/. /app/

ENV BUNDLE_PATH /gems

EXPOSE 3000
CMD ["bundle","yarn", "exec", "rails", "server", "-b", "0.0.0.0"]

docker-compose.yml

version: "3.0"

services:
  web:
    build: 
      context: .
      dockerfile: Dockerfile.dev
    volumes:
      - ./rails:/app
      - ./bundler_gems:/gems
    working_dir: /app
    ports:
      - 3000:3000
    depends_on:
      - db
    environment:
      DATABASE_URL: postgres://postgres@db
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
  db:
    image: mdillon/postgis:11
    ports:
      - 5432:5432
    volumes:
      - ./postgres:/var/lib/postgresql/data
  pgadmin4:
    image: thajeztah/pgadmin4
    ports:
      - 5050:5050
    depends_on:
      - db
volumes:
  postgres:
  bundler_gems:

run

docker-compose build
docker-compose run --rm web bundle install -j8
docker-compose run --rm web yarn install -j8

This is so much quicker not needing to build the base image each time

Chris Oliver • June 24, 2019 1:53pm

Murray Bryant Oh yep, I forgot to add the docker-compose.yml file it looks like.

Thanks for the notes here! 🙏 I'll get these added into the repo shortly.

William Flanagan • January 27, 2020 8:12pm

Are there updates to these? I'm trying to install using docker, and getting errors with the bundled gems not being found.

Chris Oliver • January 27, 2020 8:53pm

William Flanagan The actual error logs will be helpful.

William Flanagan • January 27, 2020 9:03pm

Hey

Chris Oliver ,

The build works fine. But, executing the next step errors.

docker-compose run --rm web bundle install -j8
Starting api_redis_1 ... done
Starting api_db_1    ... done
Could not find rake-13.0.1 in any of the sources
Run `bundle install` to install missing gems.

I've added to the Dockerfile and installation of rake in case it's missing. But, that doesn't seem to do it. This is the current Dockerfile.

FROM ruby:2.7.0-alpine

RUN apk add --update --virtual \
  runtime-deps \
  postgresql-client \
  build-base \
  libxml2-dev \
  libxslt-dev \
  nodejs \
  yarn \
  libffi-dev \
  readline \
  build-base \
  postgresql-dev \
  libc-dev \
  linux-headers \
  readline-dev \
  file \
  imagemagick \
  git \
  && rm -rf /var/cache/apk/*

WORKDIR /app
COPY . /app/

ENV BUNDLE_PATH /gems
ENV BUNDLE_APP_CONFIG=$BUNDLE_PATH \
  BUNDLE_BIN=$BUNDLE_PATH/bin
ENV PATH /app/bin:$BUNDLE_BIN:$PATH

RUN gem update --system && \
    gem install bundler && \
    gem install rake 
RUN yarn install
RUN bundle install

ENTRYPOINT ["bin/rails"]
CMD ["s", "-b", "0.0.0.0"]

EXPOSE 3000

William Flanagan • January 27, 2020 9:17pm

And, here's the docker-compose.

version: "3.0"

services:
  web:
    build: 
      context: .
      dockerfile: Dockerfile
    volumes:
      - .:/app
      - ./bundler_gems:/gems
    working_dir: /app
    ports:
      - 3000:3000
    depends_on:
      - db
      - redis
    environment:
      DATABASE_URL: postgres://postgres@db
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
  db:
    image: mdillon/postgis:11
    ports:
      - 5432:5432
    volumes:
      - ./postgres:/var/lib/postgresql/data
  redis:
    image: redis:5-alpine
    volumes:
      - ./redis:/data
    ports:
      - 6379
  pgadmin4:
    image: thajeztah/pgadmin4
    ports:
      - 5050:5050
    depends_on:
      - db
volumes:
  postgres:
  bundler_gems:

Murray Bryant • January 28, 2020 12:21am

William,

Here are my current files

which I run with a plain docker-compose up

Hope these help

Dockerfile

FROM ruby:2.6.3-alpine
RUN echo \
  # replacing default repositories with edge ones
  && echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" > /etc/apk/repositories \
  && echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
  && echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories 

RUN apk add --update --virtual \
  runtime-deps \
  postgresql-client \
  build-base \
  libxml2-dev \
  libxslt-dev \
  nodejs \
  yarn \
  libffi-dev \
  readline \
  build-base \
  postgresql-dev \
  libc-dev \
  linux-headers \
  file \
  imagemagick \
  git \
  tzdata \
  gdal \
  geos \
  geos-dev \
  && rm -rf /var/cache/apk/*

WORKDIR /app
ADD rails/. /app/

ENV BUNDLE_PATH /gems
#RUN bundle install
#RUN yarn install --check-files

EXPOSE 3000
CMD ["bundle","yarn", "exec", "rails", "server", "-b", "0.0.0.0"]

Docker-compose

version: "2.4"

services:
  web:
    build: .
    volumes:
      - ./rails:/app
      - ./bundler_gems:/gems
    working_dir: /app
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
    ports:
      - 3000:3000
    depends_on:
      - db
      - redis_db
      - elasticsearch
    links:
      - redis_db
      - elasticsearch
    environment:
      DATABASE_URL: postgis://postgres@db
      ELASTICSEARCH_URL: http://elasticsearch:9200
      RECAPTCHA_SITE_KEY: xxxxxx
      RECAPTCHA_SECRET_KEY: xxxxx
  airflow:
    image: puckel/docker-airflow
    volumes:
      - ./airflow:/usr/local/airflow
    ports:
      - 8081:8080
      - 5555:5555
    command: webserver
    environment:
      DATABASE_URL: postgres://postgres@db
    depends_on:
      - db
      - rabbitmq
  pgadmin4:
    image: thajeztah/pgadmin4
    ports:
      - 5050:5050
    depends_on:
      - db
    links:
      - stellar
  rabbitmq:
    image: rabbitmq:3-management
    ports:
      - "15672:15672"
      - "5672:5672"
    labels:
      NAME: "rabbitmq"
    volumes:
      #- "./enabled_plugins:/etc/rabbitmq/enabled_plugins"
      - ./rabbitmq-isolated.conf:/etc/rabbitmq/rabbitmq.config
    depends_on:
      - db
  db:
    image: mdillon/postgis:11
    ports:
      - 5432:5432
  redis_db:
    image: redis
  elasticsearch:
    image: elasticsearch:7.1.1
    ports:
      - 9200:9200
      - 9300:9300
    mem_limit: 4g
    environment:
      - discovery.type=single-node
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
volumes:
  bundler_gems:

William Flanagan • January 28, 2020 1:32am

Thanks.. I'll try with these.

If this doesn't work out, I'll post my version. I have one that's Ubuntu-base I'm pretty sure I can adapt.. it has the advantage/disadvantage that it's configurable, in that you can set ruby version, bundler version, etc. in the docker-compose.yml file.

William Flanagan • January 28, 2020 4:40pm

So, this didn't work for me. I'm not sure why (same error about rake). So, I'm going to move back to my Ubuntu-based setup. Thanks for the help everyone!

Steve Church • April 15, 2020 8:36am

Using the above, with alpine 2.7 I get:

Could not locate Gemfile or .bundle/ directory

Steve Church • April 15, 2020 9:41am

I managed to get this working with the following example:
https://jumpstartrails.com/discussions/252#1450

EEO • March 23, 2021 11:08pm

Hi, how can I make it work with guard?

Docker Compose

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