rename .env file in microservices example to sample, deleted all dependencies for testing

Author: tedpham3

examples/microservices/Makefile

@@ -1,5 +1,5 @@
 # Define directories
-DIRS := auth client client-dev common event-bus inventory items
+DIRS := auth client client-dev common event-bus inventory items orders
 
 # Define the content of the .env file
 define ENV_CONTENT

examples/microservices/sample.env

@@ -0,0 +1,14 @@
+CHRONOS_DB=MongoDB
+# Database connection string for Chronos to write metric to
+CHRONOS_URI=mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+2.2.5
+
+# Database connection strings for each microservice
+MONGO_URI_AUTH=mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+2.2.5
+MONGO_URI_ITEMS=mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+2.2.5
+MONGO_URI_INVENTORY=mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+2.2.5
+MONGO_URI_ORDERS=mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+2.2.5
+
+# this is the secret for auth service to sign/verify json web tokens
+JWT_KEY=thisStringDoesNotMatterItJustNeedsToBeDefined
+# this is time til expiration for the json web token
+JWT_LIFETIME=1d