chore: add ability to change DB_PORT from standard 5432 (#480)

.env.example

@@ -26,5 +26,6 @@ TLS=true
 
 # Database Configuration
 DB_HOST=localhost
+DB_PORT=5432
 POSTGRES_PASSWORD=postgres
 POSTGRES_USER=postgres

config/database.yml

@@ -19,6 +19,7 @@ default: &default
   # https://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
   host: <%= ENV.fetch("DB_HOST") { "127.0.0.1" } %>
+  port: <%= ENV.fetch("DB_PORT") { "5432" } %>
   password: <%= ENV.fetch("POSTGRES_PASSWORD") { nil } %>
   user: <%= ENV.fetch("POSTGRES_USER") { nil } %>