fix: fix Dockerfile

Dockerfile

@@ -10,8 +10,8 @@ FROM golang AS builder2
 
 ENV GO111MODULE=on \
     CGO_ENABLED=1 \
-    GOOS=linux \
-    GOARCH=amd64
+    GOOS=linux
+
 WORKDIR /build
 COPY . .
 COPY --from=builder /build/build ./web/build