Pass ARG RAILWAY_PUBLIC_DOMAIN

Dockerfile

@@ -33,6 +33,9 @@ WORKDIR /build/astro
 
 COPY ./frontend/ ./
 
+ARG RAILWAY_PUBLIC_DOMAIN
+ENV RAILWAY_PUBLIC_DOMAIN=$RAILWAY_PUBLIC_DOMAIN
+
 RUN npm install pnpm -g
 RUN pnpm install
 RUN pnpm build

frontend/astro.config.mjs

@@ -1,5 +1,5 @@
 // @ts-check
-import { defineConfig } from "astro/config";
+import { defineConfig, envField } from "astro/config";
 import tailwind from "@astrojs/tailwind";
 import sitemap from "@astrojs/sitemap";
 
@@ -7,20 +7,19 @@ import react from "@astrojs/react";
 
 // TODO: Add linting to build steps
 
-console.log(import.meta.env);
 // https://astro.build/config
 
 export default defineConfig({
   build: {
     assets: "assets",
   },
-  site: import.meta.env.DEV
+  site:
+    process.env.NODE_ENV === "development"
       ? "https://localhost:4321"
-    : // @ts-ignore
-      `https://${
-        import.meta.env.RAILWAY_PUBLIC_DOMAIN ??
+      : `https://${
+          process.env.RAILWAY_PUBLIC_DOMAIN ??
           (() => {
-          throw new Error("nullish");
+            throw new Error("RAILWAY_PUBLIC_DOMAIN not set");
           })()
         }`,
   integrations: [