fix: Dockerfile cgo

backend/Dockerfile

@@ -13,7 +13,7 @@ COPY . .
 # Build the application
 # CGO_ENABLED=0 is important for a clean static build for Alpine
 # -o main specifies the output file name
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+RUN go build -o main .
 
 # Stage 2: Create the final lightweight image
 FROM alpine:latest