add sample.env file for microservices example

Author: seantokuzo

examples_new/microservices/sample.env

@@ -0,0 +1,15 @@
+# Database type being used to store Chronos metrics
+CHRONOS_DB=<MongoDB or Postgres>
+# Database connection string for Chronos to write metric to
+CHRONOS_URI=<connection string for database to store Chronos metrics>
+
+# Database connection strings for each microservice
+MONGO_URI_AUTH=<connection string for auth service>
+MONGO_URI_ITEMS=<connection string for items service>
+MONGO_URI_INVENTORY=<connection string for inventory service>
+MONGO_URI_ORDERS=<connection string for orders service>
+
+# this is the secret for auth service to sign json web tokens
+JWT_KEY=thisStringDoesNotMatterItJustNeedsToBeDefined
+# this is time til expiration for the json web token
+JWT_LIFETIME=1d