Introduces a PG database

Dockerfile

@@ -11,6 +11,7 @@ RUN zypper -n ar -f \
                                       MozillaFirefox \
                                       nodejs16 ruby3.1-devel \
                                       libxml2-devel libxslt-devel \
+                                      postgresql14-devel \
                                       ImageMagick
 
 # Setup ruby in PATH & sudo

Gemfile

@@ -10,6 +10,8 @@ gem 'sprockets-rails'
 gem 'puma'
 # as templating engine
 gem 'haml-rails', '~> 2.0'
+# as database
+gem 'pg'
 
 # for appdata redirections (https -> http)
 gem 'open_uri_redirections'

Gemfile.lock

@@ -202,6 +202,7 @@ GEM
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
+    pg (1.4.1)
     pkg-config (1.4.7)
     prime (0.1.2)
       forwardable
@@ -358,6 +359,7 @@ DEPENDENCIES
   multi_xml
   nokogiri
   open_uri_redirections
+  pg
   puma
   puma_worker_killer
   rails (~> 7.0)

app/models/application_record.rb

@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
+end

config/application.rb

@@ -4,7 +4,7 @@
 # Pick the frameworks you want:
 require "active_model/railtie"
 # require "active_job/railtie"
-# require "active_record/railtie"
+require "active_record/railtie"
 # require "active_storage/engine"
 require "action_controller/railtie"
 # require "action_mailer/railtie"

docker-compose.yml

@@ -2,6 +2,11 @@ version: "2.1"
 services:
   memcached:
     image: registry.opensuse.org/opensuse/memcached:latest
+  database:
+    image: postgres:14-alpine
+    environment:
+      PGDATA: /var/lib/postgresql/data/pgdata
+      POSTGRES_PASSWORD: mysecretpassword
   software:
     build:
       dockerfile: Dockerfile
@@ -15,5 +20,7 @@ services:
       - "3000:3000"
     depends_on:
       - memcached
+      - database
     environment:
       - MEMCACHED_HOST="memcached:11211"
+      - DATABASE_URL=postgres://postgres:mysecretpassword@database/postgres?pool=5