Do not store production information in .yml files

Instead, read information from environment variables.

railties/lib/rails/generators/rails/app/templates/config/databases/frontbase.yml

@@ -23,6 +23,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/ibm_db.yml

@@ -61,6 +61,6 @@ test:
   <<: *default
   database: <%= app_name[0,4] %>_tst
 
-production:
-  <<: *default
-  database: <%= app_name[0,8] %>
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/jdbc.yml

@@ -53,6 +53,6 @@ test:
   <<: *default
   url: jdbc:db://localhost/<%= app_name %>_test
 
-production:
-  <<: *default
-  url: jdbc:db://localhost/<%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml

@@ -26,6 +26,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcpostgresql.yml

@@ -42,6 +42,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcsqlite3.yml

@@ -18,6 +18,6 @@ test:
   <<: *default
   database: db/test.sqlite3
 
-production:
-  <<: *default
-  database: db/production.sqlite3
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml

@@ -32,6 +32,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/oracle.yml

@@ -32,6 +32,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/postgresql.yml

@@ -59,6 +59,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/sqlite3.yml

@@ -20,6 +20,6 @@ test:
   <<: *default
   database: db/test.sqlite3
 
-production:
-  <<: *default
-  database: db/production.sqlite3
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/databases/sqlserver.yml

@@ -42,6 +42,6 @@ test:
   <<: *default
   database: <%= app_name %>_test
 
-production:
-  <<: *default
-  database: <%= app_name %>_production
+# Do not keep production credentials in the repository,
+# instead read the configuration from the environment.
+production: <%%= ENV["DATABASE_URL"] %>

railties/lib/rails/generators/rails/app/templates/config/secrets.yml

@@ -16,11 +16,7 @@ development:
 test:
   secret_key_base: <%= app_secret %>
 
-# This YAML file is processed by ERB first (as others). In particular the
-# production environment can set the secret via an environment variable
-# this way:
-#
-#   secret_key_base: <%%= ENV['SECRET_KEY_BASE'] %>
-#
+# Do not keep production secrets in the repository,
+# instead read values from the environment.
 production:
-  secret_key_base: <%= app_secret %>
+  secret_key_base: <%%= ENV['SECRET_KEY_BASE'] %>