Reduce complexity

.drone.yml

@@ -13,11 +13,7 @@ steps:
       -input=false \
       -backend-config="conn_str=$${PG_CONNECTIONSTRING}"
   environment:
-    PG_CONNECTIONSTRING: postgres://${PG_USERNAME}:${PG_PASSWORD}@${PG_HOST}/${PG_DATABASE}?sslmode=disable
-    PG_HOST: tfstate.default.svc.cluster.local
-    PG_DATABASE: terraform_backend
-    PG_USERNAME: terraform
-    PG_PASSWORD: terraform
+    PG_CONNECTIONSTRING: postgres://terraform:terraform@tfstate.default.svc.cluster.local/terraform_backend?sslmode=disable
     TF_AUTOMATION: yes
     # TF_LOG: TRACE
 - name: Terraform Plan