feat: Docker, Redis

Dockerfile

@@ -19,7 +19,7 @@ FROM base as build
 
 # Install packages needed to build gems
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git libvips pkg-config
+    apt-get install --no-install-recommends -y build-essential git libpq-dev libvips pkg-config
 
 # Install application gems
 COPY Gemfile Gemfile.lock ./
@@ -42,7 +42,7 @@ FROM base
 
 # Install packages needed for deployment
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libsqlite3-0 libvips && \
+    apt-get install --no-install-recommends -y curl libvips postgresql-client && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Copy built artifacts: gems, application

Gemfile

@@ -8,8 +8,8 @@ gem "rails", "~> 7.1.3", ">= 7.1.3.4"
 # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
 gem "sprockets-rails"
 
-# Use sqlite3 as the database for Active Record
-gem "sqlite3", "~> 1.4"
+# Use pg as the database for Active Record
+gem "pg", "~> 1.1"
 
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", ">= 5.0"
@@ -65,3 +65,5 @@ group :test do
   gem "capybara"
   gem "selenium-webdriver"
 end
+
+gem "dotenv-rails", "~> 2.8", :groups => [:development, :test]

Gemfile.lock

@@ -99,6 +99,10 @@ GEM
     debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
+    dotenv (2.8.1)
+    dotenv-rails (2.8.1)
+      dotenv (= 2.8.1)
+      railties (>= 3.2)
     drb (2.2.1)
     erubi (1.13.0)
     globalid (1.2.1)
@@ -153,6 +157,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.6-x86_64-linux)
       racc (~> 1.4)
+    pg (1.5.6)
     psych (5.1.2)
       stringio
     public_suffix (6.0.0)
@@ -222,12 +227,6 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
-    sqlite3 (1.7.3-aarch64-linux)
-    sqlite3 (1.7.3-arm-linux)
-    sqlite3 (1.7.3-arm64-darwin)
-    sqlite3 (1.7.3-x86-linux)
-    sqlite3 (1.7.3-x86_64-darwin)
-    sqlite3 (1.7.3-x86_64-linux)
     stimulus-rails (1.3.3)
       railties (>= 6.0.0)
     stringio (3.1.1)
@@ -266,14 +265,15 @@ DEPENDENCIES
   bootsnap
   capybara
   debug
+  dotenv-rails (~> 2.8)
   importmap-rails
   jbuilder
+  pg (~> 1.1)
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.4)
   redis (>= 4.0.1)
   selenium-webdriver
   sprockets-rails
-  sqlite3 (~> 1.4)
   stimulus-rails
   turbo-rails
   tzinfo-data

app/controllers/home_controller.rb

@@ -0,0 +1,4 @@
+class HomeController < ApplicationController
+  def index
+  end
+end

app/helpers/home_helper.rb

@@ -0,0 +1,2 @@
+module HomeHelper
+end

app/views/home/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Home#index</h1>
+<p>Find me in app/views/home/index.html.erb</p>

config/database.yml

@@ -1,25 +1,92 @@
-# SQLite. Versions 3.8.0 and up are supported.
-#   gem install sqlite3
+# PostgreSQL. Versions 9.3 and up are supported.
 #
-#   Ensure the SQLite 3 gem is defined in your Gemfile
-#   gem "sqlite3"
+# Install the pg driver:
+#   gem install pg
+# On macOS with Homebrew:
+#   gem install pg -- --with-pg-config=/usr/local/bin/pg_config
+# On Windows:
+#   gem install pg
+#       Choose the win32 build.
+#       Install PostgreSQL and put its /bin directory on your path.
+#
+# Configure Using Gemfile
+# gem "pg"
 #
 default: &default
-  adapter: sqlite3
+  adapter: postgresql
+  encoding: unicode
+  # For details on connection pooling, see Rails configuration guide
+  # https://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  timeout: 5000
 
 development:
   <<: *default
-  database: storage/development.sqlite3
+  database: ror_gen_ai_development
+  host: <%= ENV['POSTGRES_HOST'] %>
+  port: <%= ENV['POSTGRES_PORT'] %>
+  username: <%= ENV['POSTGRES_DBUSER'] %>
+  password: <%= ENV['POSTGRES_PASSWORD'] %>
+
+  # The specified database role being used to connect to PostgreSQL.
+  # To create additional roles in PostgreSQL see `$ createuser --help`.
+  # When left blank, PostgreSQL will use the default role. This is
+  # the same name as the operating system user running Rails.
+  #username: ror_gen_ai
+
+  # The password associated with the PostgreSQL role (username).
+  #password:
+
+  # Connect on a TCP socket. Omitted by default since the client uses a
+  # domain socket that doesn't need configuration. Windows does not have
+  # domain sockets, so uncomment these lines.
+  #host: localhost
+
+  # The TCP port the server listens on. Defaults to 5432.
+  # If your server runs on a different port number, change accordingly.
+  #port: 5432
+
+  # Schema search path. The server defaults to $user,public
+  #schema_search_path: myapp,sharedapp,public
+
+  # Minimum log levels, in increasing order:
+  #   debug5, debug4, debug3, debug2, debug1,
+  #   log, notice, warning, error, fatal, and panic
+  # Defaults to warning.
+  #min_messages: notice
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
 test:
   <<: *default
-  database: storage/test.sqlite3
+  database: ror_gen_ai_test
+  host: <%= ENV['POSTGRES_HOST'] %>
+  port: <%= ENV['POSTGRES_PORT'] %>
+  username: <%= ENV['POSTGRES_DBUSER'] %>
+  password: <%= ENV['POSTGRES_PASSWORD'] %>
 
+# As with config/credentials.yml, you never want to store sensitive information,
+# like your database password, in your source code. If your source code is
+# ever seen by anyone, they now have access to your database.
+#
+# Instead, provide the password or a full connection URL as an environment
+# variable when you boot the app. For example:
+#
+#   DATABASE_URL="postgres://myuser:mypass@localhost/somedatabase"
+#
+# If the connection URL is provided in the special DATABASE_URL environment
+# variable, Rails will automatically merge its configuration values on top of
+# the values provided in this file. Alternatively, you can specify a connection
+# URL environment variable explicitly:
+#
+#   production:
+#     url: <%= ENV["MY_APP_DATABASE_URL"] %>
+#
+# Read https://guides.rubyonrails.org/configuring.html#configuring-a-database
+# for a full overview on how database connection configuration can be specified.
+#
 production:
   <<: *default
-  database: storage/production.sqlite3
+  database: ror_gen_ai_production
+  username: ror_gen_ai
+  password: <%= ENV["ROR_GEN_AI_DATABASE_PASSWORD"] %>

config/routes.rb

@@ -1,10 +1,11 @@
 Rails.application.routes.draw do
+  get 'home/index'
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
   # Can be used by load balancers and uptime monitors to verify that the app is live.
   get "up" => "rails/health#show", as: :rails_health_check
 
   # Defines the root path route ("/")
-  # root "posts#index"
+  root "home#index"
 end

docker-compose.yml

@@ -0,0 +1,37 @@
+version: "3.7"
+services:
+  db:
+    image: postgres:16.1
+    container_name: "ror_gen_ai_postgres"
+    command:
+      [
+        "postgres",
+        "-c",
+        "logging_collector=on",
+        "-c",
+        "log_filename=postgresql.log",
+        "-c",
+        "log_statement=all",
+      ]
+    environment:
+      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
+    ports:
+      - ${POSTGRES_PORT}:5432
+    volumes:
+      - pg_data:/var/lib/postgresql/data
+  redis:
+    image: redis:7.2.3
+    command: redis-server --appendonly yes
+    ports:
+      - target: 6379
+        published: ${REDIS_PORT}
+        protocol: tcp
+        mode: host
+    volumes:
+      - redis_data:/data
+    restart: always
+    environment:
+      - REDIS_REPLICATION_MODE=master
+volumes:
+  redis_data:
+  pg_data:

test/controllers/home_controller_test.rb

@@ -0,0 +1,8 @@
+require "test_helper"
+
+class HomeControllerTest < ActionDispatch::IntegrationTest
+  test "should get index" do
+    get home_index_url
+    assert_response :success
+  end
+end