Update environment configuration

Author: Krishnabot

.gitignore

@@ -29,4 +29,7 @@
 
 # Ignore master key for decrypting credentials and more.
 /config/master.key
-node_modules
+node_modules
+
+#Ignore env file
+.env

Gemfile.lock

@@ -276,6 +276,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-22
+  arm64-darwin-24
   x86_64-linux
 
 DEPENDENCIES

config/database.yml

@@ -20,22 +20,20 @@ default: &default
   # For details on connection pooling, see Rails configuration guide
   # https://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  username: <%= ENV['POSTGRES_USERNAME'] %>
+  password: <%= ENV['POSTGRES_PASSWORD'] %>
 
 development:
   adapter: postgresql
   encoding: unicode
   database: expense_tracker_development
   pool: 5
-  username: postgres
-  password: postgres
 
 test:
   adapter: postgresql
   encoding: unicode
   database: expense_tracker_test
   pool: 5
-  username: postgres
-  password: postgres
 
 production:
   <<: *default