diff --git a/web/sites/default/services.pantheon.preproduction.yml b/web/sites/default/services.pantheon.preproduction.yml
new file mode 100644
index 0000000000000000000000000000000000000000..343ddf6586c6885e3905f9a06208c5c751789ce5
--- /dev/null
+++ b/web/sites/default/services.pantheon.preproduction.yml
@@ -0,0 +1,28 @@
+#
+# Rename this file to 'services.pantheon.preproduction.yml' and
+# modify to suit.  It will then be loaded by settings.pantheon.php
+# on any dev or multidev environment (not on 'test' or 'live').
+#
+# If you would like to define any services or service parameters
+# that apply only to production environments ('test' and 'live'),
+# you may do so in a 'services.pantheon.production.yml' file.
+#
+# See 'default.services.yml' for information on useful settings to
+# put here.
+#
+parameters:
+  twig.config:
+    debug: true
+  session.storage.options:
+    # Set session lifetime (in seconds), i.e. the time from the user's last
+    # visit to the active session may be deleted by the session garbage
+    # collector. When a session is deleted, authenticated users are logged out,
+    # and the contents of the user's $_SESSION variable is discarded.
+    # @default 200000
+    gc_maxlifetime: 86400
+    #
+    # Set session cookie lifetime (in seconds), i.e. the time from the session
+    # is created to the cookie expires, i.e. when the browser is expected to
+    # discard the cookie. The value 0 means "until the browser is closed".
+    # @default 2000000
+    cookie_lifetime: 86400
diff --git a/web/sites/default/services.pantheon.production.yml b/web/sites/default/services.pantheon.production.yml
new file mode 100644
index 0000000000000000000000000000000000000000..cc50366aa6d00e902717c8fd6c273b7f2db20a86
--- /dev/null
+++ b/web/sites/default/services.pantheon.production.yml
@@ -0,0 +1,28 @@
+#
+# Rename this file to 'services.pantheon.preproduction.yml' and
+# modify to suit.  It will then be loaded by settings.pantheon.php
+# on any dev or multidev environment (not on 'test' or 'live').
+#
+# If you would like to define any services or service parameters
+# that apply only to production environments ('test' and 'live'),
+# you may do so in a 'services.pantheon.production.yml' file.
+#
+# See 'default.services.yml' for information on useful settings to
+# put here.
+#
+parameters:
+  twig.config:
+    debug: true
+  session.storage.options:
+    # Set session lifetime (in seconds), i.e. the time from the user's last
+    # visit to the active session may be deleted by the session garbage
+    # collector. When a session is deleted, authenticated users are logged out,
+    # and the contents of the user's $_SESSION variable is discarded.
+    # @default 200000
+    gc_maxlifetime: 200000
+    #
+    # Set session cookie lifetime (in seconds), i.e. the time from the session
+    # is created to the cookie expires, i.e. when the browser is expected to
+    # discard the cookie. The value 0 means "until the browser is closed".
+    # @default 2000000
+    cookie_lifetime: 2000000