Update Dockerfile

Dockerfile

@@ -20,8 +20,8 @@ ARG TARGETARCH
 ARG GITHASH="unknown"
 ARG EXTRA_BUILD_ARGS=""
 COPY . .
-RUN GOOS=linux GOARCH=$TARGETARCH go build $EXTRA_BUILD_ARGS \
-      -ldflags '-w -extldflags "-static" -X github.com/weaviate/weaviate/usecases/config.GitHash='"$GITHASH"'' \
+RUN CGO_ENABLED=0 GOARCH=$TARGETARCH go build $EXTRA_BUILD_ARGS \
+      -a -ldflags '-w -extldflags "-static" -X github.com/weaviate/weaviate/usecases/config.GitHash='"$GITHASH"'' \
       -o /weaviate-server ./cmd/weaviate-server
 
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