Adding environment variables to Jenkinsfile.

Reading it inside docker-compose.

Jenkinsfile

 pipeline {
     agent any
 
+    environment {
+        APPLICATION_ROOT = '/openccg'
+    }
+
     stages {
         stage('build') {
             steps {

docker-compose.yml

@@ -5,3 +5,5 @@ services:
 
     openccg:
         build: .
+        environment:
+            - APPLICATION_ROOT=${APPLICATION_ROOT:-/}