parameterize the hosts to enable using locally running services

Author: lenkan

examples/integration-scripts/single-issuer-holder.test.ts

@@ -9,11 +9,12 @@ import signify, {
 
 const URL = 'http://127.0.0.1:3901';
 const BOOT_URL = 'http://127.0.0.1:3903';
-const SCHEMA_SAID = 'EBfdlu8R27Fbx-ehrqwImnK-8Cm79sqbAQ4MmvEAYqao';
 const WITNESS_HOST = process.env.WITNESS_HOST ?? 'witness-demo';
 const WITNESSES = [`http://${WITNESS_HOST}:5642/oobi`];
-const SCHEMA_OOBI =
-    'http://vlei-server:7723/oobi/EBfdlu8R27Fbx-ehrqwImnK-8Cm79sqbAQ4MmvEAYqao';
+
+const SCHEMA_HOST = process.env.SCHEMA_HOST ?? 'vlei-server';
+const SCHEMA_SAID = 'EBfdlu8R27Fbx-ehrqwImnK-8Cm79sqbAQ4MmvEAYqao';
+const SCHEMA_OOBI = `http://${SCHEMA_HOST}:7723/oobi/${SCHEMA_SAID}`;
 
 function createTimestamp() {
     const dt = new Date().toISOString().replace('Z', '000+00:00');