change the docker base image in second stage build of client as the p…

…revious one does not have a shell

dockerfiles/migration/Dockerfile

@@ -1,22 +1,21 @@
-# Build the manager binary
 FROM golang:1.20 as builder
 
 WORKDIR /workspace
-# Copy the Go Modules manifests
 COPY ./ ./
 RUN go mod download
 
-# Build
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o migration cmd/cli/main.go
 
+RUN chmod +x /workspace/script/wait-for-clickhouse.sh
+
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:nonroot
+FROM golang:alpine
 WORKDIR /
 COPY --from=builder /workspace/migration .
-COPY /workspace/sql /sql
-COPY /workspace/script /script
-RUN chmod +x /script/wait-for-clickhouse.sh
+COPY --from=builder /workspace/sql /sql
+COPY --from=builder /workspace/script /script
+
 USER 65532:65532
 
 ENTRYPOINT ["/migration"]