Use username/password from env vars

.drone.yml

@@ -58,7 +58,6 @@ steps:
       - name: cache
         path: /home/gradle/.gradle
     commands:
-      - docker login -u $USERNAME -p $PASSWORD
       - ./gradlew jib
 
 volumes:

module-deploy/deploy.gradle.kts

@@ -25,6 +25,10 @@ jib {
         tags = setOf(
                 "latest",
                 properties["version"].toString().replace("+", "-"))
+        auth {
+            username = System.getenv("USERNAME")
+            password = System.getenv("PASSWORD")
+        }
     }
     container {
         extraClasspath = listOf("/configmap")