davidderus · March 3, 2024 10:15 · Oct 10, 2017 · Oct 6, 2017 · Jul 8, 2016
diff --git a/Dockerfile b/Dockerfile
@@ -17,7 +17,8 @@ RUN apk add --no-cache \
     tzdata \
     git \
     postgresql-dev \
-    nodejs
+    nodejs \
+    imagemagick
 
 # Configuring main directory
 RUN mkdir -p $APP_PATH

diff --git a/.dockerignore b/.dockerignore
@@ -1,11 +1,18 @@
 .git
 .gitignore
-doc
+/doc
 .yardoc
 coverage
 jsdoc
-tmp
-log
+/tmp
+/log
+Dockerfile
+Dockerfile.prod
+docker-compose.yml
 README.md
-public/uploads/
-spec
+/public/uploads
+/test/reports
+.env
+.envrc
+.byebug_history
+.rake_tasks
diff --git a/Dockerfile b/Dockerfile
@@ -1,21 +1,43 @@
-FROM ruby:2.3.1-slim
-
-RUN apt-get update && apt-get install -qq -y build-essential
-
-RUN apt-get install -y libpq-dev
-RUN apt-get install -y --fix-missing libxml2-dev libxslt1-dev
-RUN apt-get install -y nodejs
-
-ENV INSTALL_PATH /app
-ENV RAILS_ENV production
-ENV RACK_ENV production
-
-RUN mkdir $INSTALL_PATH
-
-WORKDIR $INSTALL_PATH
+# 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
+
+# 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
 
-COPY Gemfile* $INSTALL_PATH/
+# Adding project files
+COPY . ./
+RUN bundle exec rake DATABASE_URL=postgres:does_not_exist assets:precompile
 
-RUN bundle install --jobs 20 --retry 5 --without development test
+EXPOSE $PORT
+CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]
 
-COPY . $INSTALL_PATH
+# 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"
diff --git a/.dockerignore b/.dockerignore
@@ -0,0 +1,11 @@
+.git
+.gitignore
+doc
+.yardoc
+coverage
+jsdoc
+tmp
+log
+README.md
+public/uploads/
+spec
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,21 @@
+FROM ruby:2.3.1-slim
+
+RUN apt-get update && apt-get install -qq -y build-essential
+
+RUN apt-get install -y libpq-dev
+RUN apt-get install -y --fix-missing libxml2-dev libxslt1-dev
+RUN apt-get install -y nodejs
+
+ENV INSTALL_PATH /app
+ENV RAILS_ENV production
+ENV RACK_ENV production
+
+RUN mkdir $INSTALL_PATH
+
+WORKDIR $INSTALL_PATH
+
+COPY Gemfile* $INSTALL_PATH/
+
+RUN bundle install --jobs 20 --retry 5 --without development test
+
+COPY . $INSTALL_PATH
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -0,0 +1,26 @@
+app:
+  env_file: .env
+  build: .
+  entrypoint: bundle exec
+  command: rails server -p 3000
+  volumes:
+    - .:/app
+  ports:
+    - "3000"
+  links:
+    - postgres
+postgres:
+  env_file: .env
+  image: postgres:9.4
+  ports:
+    - "5432"
+nginx:
+  image: nginx
+  links:
+    - app
+  volumes_from:
+    - app
+  volumes:
+    - ./nginx.conf:/etc/nginx/conf.d/my_app.conf:ro
+  ports:
+    - "80:80"
diff --git a/nginx.conf b/nginx.conf
@@ -0,0 +1,58 @@
+# From http://chrisstump.online/2016/02/20/docker-existing-rails-application/
+
+upstream puma {
+  server app:3000;
+}
+
+server {
+  # define your domain
+  server_name my_app.com;
+
+  # define the public application root
+  root   /app/public;
+  index  index.html;
+
+  # define where Nginx should write its logs
+  access_log /app/log/nginx.access.log;
+  error_log /app/log/nginx.error.log;
+
+  # deny requests for files that should never be accessed
+  location ~ /\. {
+    deny all;
+  }
+
+  location ~* ^.+\.(rb|log)$ {
+    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;
+  }
+}