This image has a sample VDB by name "cust" is included in it. The Teiid server is WildFly based, and has two pre-configured users. Please note the OData is secured through HTTP Basic Auth.
1) admin / redhat1! (admin user for web-console, CLI etc)
2) user / redhat1! (application user to be used on JDBC,ODBC, OData service)
To start the Docker image, pull the image and start using
sudo docker run -d --name=teiid -P 8080:8080 rareddy/teiid:9.0.0.Alpha3
The you can issue the queries below (the below all have different responses, but from same service)
http://localhost:8080/odata4/cust.1/m/$metadata
http://localhost:8080/odata4/cust.1/m/Customers
http://localhost:8080/odata4/cust.1/m/Customers?$format=json
http://localhost:8080/odata4/cust.1/m/Customers?$format=json&$filter=name%20eq%20%27customer1%27