diff --git a/server/Dockerfile b/server/Dockerfile
index 101100e..bc49b41 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -1,4 +1,6 @@
-FROM golang:1.26.3-alpine AS build
+ARG BUILD_IMAGE=golang:1.26.3-alpine
+ARG RUNTIME_IMAGE=alpine:3.23
+FROM ${BUILD_IMAGE} AS build
 ARG GOPROXY=https://goproxy.cn,direct
 ENV GOPROXY=${GOPROXY}
 WORKDIR /src
@@ -9,7 +11,7 @@ RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/api ./cmd/api
 RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/migrate ./cmd/migrate
 RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/bootstrap-admin ./cmd/bootstrap-admin
 
-FROM alpine:3.23
+FROM ${RUNTIME_IMAGE}
 RUN addgroup -S app && adduser -S -G app app
 COPY --from=build /out/api /usr/local/bin/api
 COPY --from=build /out/migrate /usr/local/bin/migrate