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Contents
# Docker
To setup webpacker with a dockerized Rails application.
First, add a new service for webpacker in docker-compose.yml:
```Dockerfile
version: '3'
services:
webpacker:
build: .
environment:
- NODE_ENV=development
- RAILS_ENV=development
- WEBPACKER_DEV_SERVER_HOST=0.0.0.0
command: ./bin/webpack-dev-server
volumes:
- .:/webpacker-example-app
ports:
- '3035:3035'
```
add nodejs and yarn as dependencies in Dockerfile,
```dockerfile
FROM ruby:2.4.1
RUN apt-get update -qq && apt-get install -y build-essential nodejs \
&& rm -rf /var/lib/apt/lists/* \
&& curl -o- -L https://yarnpkg.com/install.sh | bash
# Rest of the commands....
```
Please note: if using `assets:precompile` in the Dockerfile or have issues with the snippet above then try:
```dockerfile
FROM ruby:2.4.1
RUN curl -sL https://deb.nodesource.com/setup_8.x | bash \
&& apt-get update && apt-get install -y nodejs && rm -rf /var/lib/apt/lists/* \
&& curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
&& echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
&& apt-get update && apt-get install -y yarn && rm -rf /var/lib/apt/lists/*
# Rest of the commands....
```
then add the webpacker host name environment variable to the web/app service:
```Dockerfile
web:
build:
context: .
command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails s -p 3000 -b '0.0.0.0'"
volumes:
- .:/usr/src/app
ports:
- "3000:3000"
environment:
- WEBPACKER_DEV_SERVER_HOST=webpacker
```
Lastly, rebuild your container:
```bash
docker-compose up --build
```
Version data entries
19 entries across 19 versions & 3 rubygems