.drone.yml fix

.drone.yml

@@ -2,9 +2,15 @@ kind: pipeline
 type: docker
 name: default
 
+workspace:
+  base: /drone/src
+  path: link-shortener
+
 steps:
   - name: go test
     image: golang:1.25-alpine3.21
+    environment:
+      REDIS_URL: redis://redis:6379
     commands:
       - apk add --no-cache git curl
       - go mod tidy
@@ -18,7 +24,6 @@ steps:
     commands:
       - docker build -t link-shortener:latest .
 
-
 services:
   - name: redis
     image: redis:latest