fix: production uses postgres

Gemfile

@@ -89,10 +89,7 @@ group :development, :test do
 end
 
 group :production do
-  # TODO replace sqlite3 with postgres in production
-  # also remember config/database.yml
-  gem "sqlite3"
-   #gem "pg"
+  gem "pg"
 end
 
 gem "dockerfile-rails", ">= 1.5", :group => :development

Gemfile.lock

@@ -157,6 +157,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
+    pg (1.5.4)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -310,6 +311,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   launchy
+  pg
   pry-byebug
   puma (~> 5.0)
   rails (~> 7.0.4)

config/database.yml

@@ -21,5 +21,4 @@ test:
   database: db/test.sqlite3
 
 production:
-  <<: *default
-  database: db/production.sqlite3
+  url: <%= ENV.fetch("DATABASE_URL") %>

lib/beermapping_api.rb

@@ -23,6 +23,8 @@ class BeermappingApi
   end
 
   def self.key
-    Rails.application.credentials.beermap_api_key
+    return nil if Rails.env.test?
+    raise 'BEERMAPPING_APIKEY env variable not defined' if ENV['BEERMAPPING_APIKEY'].nil?
+    ENV.fetch('BEERMAPPING_APIKEY')
   end
 end