Default MTU value for docker-compose

The value in the .env file will be used if the MTU value isn't specified
as an environment variable.

Change-Id: Iffbf09d26ca85d04d714792ec7ac758253f0d440
Issue-ID: SO-710
Signed-off-by: Rob Daugherty <rd472p@att.com>

diff --git a/.env b/.env
new file mode 100644 (file)
index 0000000..1c22d2b
--- /dev/null
+++ b/.env
@@ -0,0 +1,2 @@
+# Default values used by docker-compose if not defined as environment variables.
+MTU=1500