Merge pull request #6678 from NHSDigital/postgis-schema

Use `postgis` schema in database URL

Author: thomasleese

config/application.rb

@@ -41,7 +41,7 @@ class Application < Rails::Application
       dbname = db_config["dbname"]
       ENV[
         "DATABASE_URL"
-      ] = "postgres://#{username}:#{password}@#{host}:#{port}/#{dbname}"
+      ] = "postgis://#{username}:#{password}@#{host}:#{port}/#{dbname}"
     elsif ENV["DB_CREDENTIALS"].present?
       # for environment which uses RDS aurora managed credentials only the the username
       # and password is automatically set. The environment variable is then DB_CREDENTIALS
@@ -53,7 +53,7 @@ class Application < Rails::Application
       port = ENV.fetch("DB_PORT", 5432)
       ENV[
         "DATABASE_URL"
-      ] = "postgres://#{username}:#{password}@#{host}:#{port}/#{dbname}"
+      ] = "postgis://#{username}:#{password}@#{host}:#{port}/#{dbname}"
     end
 
     # Configuration for the application, engines, and railties goes here.