fix(ci): use Redis service hostname instead of localhost to avoid IPv6 connection issues

.gitea/workflows/deploy.yml

@@ -84,21 +84,9 @@ jobs:
       - name: Download Go modules
         run: go mod download
 
-      - name: Set up Redis
-        run: |
-          # Wait for Redis to be ready
-          for i in {1..30}; do
-            if redis-cli ping | grep -q PONG; then
-              echo "Redis is ready"
-              break
-            fi
-            echo "Waiting for Redis..."
-            sleep 1
-          done
-
       - name: Run tests
         env:
-          REDIS_ADDR: localhost:6379
+          REDIS_ADDR: redis:6379
         run: go test ./... -v -race -cover
 
   build:
@@ -134,21 +122,9 @@ jobs:
       - name: Download Go modules
         run: go mod download
 
-      - name: Set up Redis
-        run: |
-          # Wait for Redis to be ready
-          for i in {1..30}; do
-            if redis-cli ping | grep -q PONG; then
-              echo "Redis is ready"
-              break
-            fi
-            echo "Waiting for Redis..."
-            sleep 1
-          done
-
       - name: Build binary
         env:
-          REDIS_ADDR: localhost:6379
+          REDIS_ADDR: redis:6379
         run: go build -o api ./cmd/api
 
   docker: