add build script

Dockerfile

@@ -13,7 +13,7 @@ COPY . /app
 RUN pnpm run build
 
 
-FROM base
+FROM base AS final
 WORKDIR /app
 COPY --from=prod /app/node_modules /app/node_modules
 COPY --from=prod /app/dist /app

build.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+REGISTRY=registry.sakal.us
+IMAGE_NAME=blog-astro
+
+# get version from package.json and remove quotes:
+VERSION=$(pnpm pkg get version | xargs)
+
+
+docker build -t "${REGISTRY}/${IMAGE_NAME}:v${VERSION}" --target final .
+docker push "${REGISTRY}/${IMAGE_NAME}:v${VERSION}"