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Docker + Rails + Puma + Postgres + Nginx
.git
.gitignore
/doc
.yardoc
coverage
jsdoc
/tmp
/log
Dockerfile
Dockerfile.prod
docker-compose.yml
README.md
/public/uploads
/test/reports
.env
.envrc
.byebug_history
.rake_tasks
app:
env_file: .env
build: .
entrypoint: bundle exec
command: rails server -p 3000
volumes:
- .:/app
ports:
- "3000"
links:
- postgres
postgres:
env_file: .env
image: postgres:9.4
ports:
- "5432"
nginx:
image: nginx
links:
- app
volumes_from:
- app
volumes:
- ./nginx.conf:/etc/nginx/conf.d/my_app.conf:ro
ports:
- "80:80"
# From one of the official ruby images
FROM ruby:2.4.1-alpine
# Available (and reused) args
# Use --build-arg APP_PATH=/usr/app to use another app directory
# Use --build-arg PORT=5000 to use another app default port
ARG APP_PATH='/app'
ARG PORT=3000
# Setting env up
ENV RAILS_ENV='production'
ENV RAKE_ENV='production'
# Installing required packages
RUN apk add --no-cache \
build-base \
tzdata \
git \
postgresql-dev \
nodejs \
imagemagick
# Configuring main directory
RUN mkdir -p $APP_PATH
WORKDIR $APP_PATH
# Adding gems
COPY Gemfile* ./
RUN bundle install --jobs 20 --retry 5 --without development test
# Adding project files
COPY . ./
RUN bundle exec rake DATABASE_URL=postgres:does_not_exist assets:precompile
EXPOSE $PORT
CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]
# Metadata
LABEL org.label-schema.vendor="David Dérus" \
org.label-schema.url="https://davidderus.com" \
org.label-schema.name="RailsApp" \
org.label-schema.description="A Rails production server using Puma and precompiling assets" \
org.label-schema.version="v1.1.0" \
org.label-schema.docker.schema-version="1.0"
# From http://chrisstump.online/2016/02/20/docker-existing-rails-application/
upstream puma {
server app:3000;
}
server {
# define your domain
server_name my_app.com;
# define the public application root
root /app/public;
index index.html;
# define where Nginx should write its logs
access_log /app/log/nginx.access.log;
error_log /app/log/nginx.error.log;
# deny requests for files that should never be accessed
location ~ /\. {
deny all;
}
location ~* ^.+\.(rb|log)$ {
deny all;
}
# serve static (compiled) assets directly if they exist (for rails production)
location ~ ^/(assets|images|javascripts|stylesheets|swfs|system)/ {
try_files $uri @rails;
access_log off;
gzip_static on; # to serve pre-gzipped version
expires max;
add_header Cache-Control public;
# Some browsers still send conditional-GET requests if there's a
# Last-Modified header or an ETag header even if they haven't
# reached the expiry date sent in the Expires header.
add_header Last-Modified "";
add_header ETag "";
break;
}
# send non-static file requests to the app server
location / {
try_files $uri @rails;
}
location @rails {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_redirect off;
proxy_pass http://puma;
}
}
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