fix(Docker Image): output SSR site when in docker

.github/workflows/docker-image.yml

@@ -14,6 +14,7 @@ env:
   REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
   IMAGE_NAME: ${{ github.repository }}
+  DOCKER: true
 
 jobs:
 

astro.config.mjs

@@ -9,6 +9,7 @@ import icon from "astro-icon";
 
 // https://astro.build/config
 export default defineConfig({
+  output: import.meta.env.DOCKER ? 'server' : 'static',
   site: "https://aria.coffee",
   integrations: [preact(), tailwind(), icon()],
   image: {