Added rhel 7.3 ami
diff --git a/os/rhel73.yml b/os/rhel73.yml
new file mode 100644
index 0000000..9cae520
--- /dev/null
+++ b/os/rhel73.yml
@@ -0,0 +1,19 @@
+---
+# rhel 7.3
+image_id: ami-b63769a1
+vpc_subnet_id: subnet-3fbcb64b
+vpc_id: vpc-22936e47
+name_prefix: cfrias
+key_name: cfrias
+aws_region: us-east-1
+owner_contact_info: cfrias@apigee.com
+company_env: training
+department: 45
+bag: infrastructure
+team_contact_info: cs-technical@apigee.com
+aws_env_name: lab
+env: '{{ name_prefix }}-{{ aws_env_name }}'
+volume_type: gp2
+volume_size: 30
+delete_on_termination: true
+device_name: /dev/sda1
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