sandeepk17 · March 8, 2018 20:00 · Feb 23, 2018 · Feb 22, 2018 · Feb 22, 2018 · Feb 19, 2018
diff --git a/DockerFile_app b/DockerFile_app
@@ -17,7 +17,6 @@ RUN bundle install --jobs 20 --retry 5 --without development test
 # Adding project files
 COPY . /app_name
 RUN bundle exec rake assets:precompile
-RUN bundle exec rake db:setup
 
 EXPOSE 3000
 CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]
diff --git a/database.yml b/database.yml
@@ -10,11 +10,3 @@ default: &default
 production:
   <<: *default
   database: app_name_production
-
-development:
-  <<: *default
-  database: app_name_development
-
-test:
-  <<: *default
-  database: app_name_test
diff --git a/readme.txt b/readme.txt
@@ -11,4 +11,5 @@ Create docker folder in app root
       -DockerFile_app
     -web
       -DockerFile_web
-      -nginx.conf
+      -nginx.conf
+  -docker-compose.yml
diff --git a/nginx.conf b/nginx.conf
@@ -1,5 +1,3 @@
-# From http://chrisstump.online/2016/02/20/docker-existing-rails-application/
-
 upstream rails_app {
   server app:3000;
 }

diff --git a/database.yml b/database.yml
@@ -5,18 +5,16 @@ default: &default
   username: postgres
   password:
   pool: 5
+  host: db
 
 production:
   <<: *default
-  host: db
   database: app_name_production
 
 development:
   <<: *default
-  host: localhost
   database: app_name_development
 
 test:
   <<: *default
-  host: localhost
   database: app_name_test
diff --git a/DockerFile_app b/DockerFile_app
@@ -0,0 +1,23 @@
+FROM ruby:2.3.1
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+
+# Configuring main directory
+RUN mkdir -p /app_name
+WORKDIR /app_name
+
+# Setting env up
+ENV RAILS_ENV='production'
+ENV RAKE_ENV='production'
+
+# Adding gems
+COPY Gemfile /app_name/Gemfile
+COPY Gemfile.lock /app_name/Gemfile.lock
+RUN bundle install --jobs 20 --retry 5 --without development test
+
+# Adding project files
+COPY . /app_name
+RUN bundle exec rake assets:precompile
+RUN bundle exec rake db:setup
+
+EXPOSE 3000
+CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]
diff --git a/DockerFile_web b/DockerFile_web
@@ -0,0 +1,20 @@
+# Base image:
+FROM nginx
+# Install dependencies
+RUN apt-get update -qq && apt-get -y install apache2-utils
+# establish where Nginx should look for files
+ENV RAILS_ROOT /var/www/app_name
+# Set our working directory inside the image
+WORKDIR $RAILS_ROOT
+# create log directory
+RUN mkdir log
+# copy over static assets
+COPY public public/
+# Copy Nginx config template
+COPY docker/web/nginx.conf /tmp/docker.nginx
+# substitute variable references in the Nginx config template for real values from the environment
+# put the final config in its place
+RUN envsubst '$RAILS_ROOT' < /tmp/docker.nginx > /etc/nginx/conf.d/default.conf
+EXPOSE 80
+# Use the "exec" form of CMD so Nginx shuts down gracefully on SIGTERM (i.e. `docker stop`)
+CMD [ "nginx", "-g", "daemon off;" ]
diff --git a/database.yml b/database.yml
@@ -0,0 +1,22 @@
+
+default: &default
+  adapter: postgresql
+  encoding: unicode
+  username: postgres
+  password:
+  pool: 5
+
+production:
+  <<: *default
+  host: db
+  database: app_name_production
+
+development:
+  <<: *default
+  host: localhost
+  database: app_name_development
+
+test:
+  <<: *default
+  host: localhost
+  database: app_name_test
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -0,0 +1,23 @@
+version: '3'
+volumes:
+  postgres_data: {}
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: ./docker/app/Dockerfile_app
+    depends_on:
+      - db
+  db:
+    image: postgres
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+  web:
+    build:
+      context: .
+      dockerfile: ./docker/web/Dockerfile_web
+    depends_on:
+      - app
+    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 rails_app {
+  server app:3000;
+}
+
+server {
+  # define your domain
+  server_name www.example.com;
+
+  # define the public application root
+  root   /app_name/public;
+  index  index.html;
+
+  # define where Nginx should write its logs
+  access_log /var/www/app_name/log/nginx.access.log;
+  error_log /var/www/app_name/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://rails_app;
+  }
+}
diff --git a/readme.txt b/readme.txt
@@ -0,0 +1,14 @@
+Create docker folder in app root 
+
+-app_name
+  -app
+  -db
+  -config
+    -database.yml
+  ...
+  -docker
+    -app
+      -DockerFile_app
+    -web
+      -DockerFile_web
+      -nginx.conf
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