examples: add Dockerfile to Remix (#11429)

Remix application was missing a Dockerfile while Payload had one. This
also takes issue
[#11276](#11276) into
consideration to avoid CPU issues.

---------

Co-authored-by: Marwin Hormiz <marwinhormiz@duobit.se>

Author: marwinhormiz

examples/remix/website/Dockerfile

@@ -0,0 +1,41 @@
+FROM node:22.14.0-alpine AS base
+
+FROM base AS builder
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+RUN npm install -g pnpm@latest-10
+
+COPY . .
+
+RUN apk update \
+  apk add --no-cache libc6-compat
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+RUN pnpm install --no-frozen-lockfile
+RUN pnpm --filter website build
+
+FROM base AS runner
+
+RUN npm install -g @remix-run/serve@latest
+WORKDIR /app
+COPY --from=builder /app/website/build/ ./build
+
+# We need to install sharp again to avoid copying node_modules into the final image.
+# Sharp can't be bundled into the server file since it will throw an
+# __dirname is not defined error
+RUN npm install sharp@0.32.6
+
+# These files are required by Payload to avoid file opening errors
+# https://github.com/payloadcms/payload/issues/11276
+COPY --from=builder /app/website/package.json ./package.json
+COPY --from=builder /app/payload/src/payload.config.ts ./payload.config.ts
+ENV PAYLOAD_CONFIG_PATH=./payload.config.ts
+
+EXPOSE 3000
+ENV PORT=3000
+ENV NODE_ENV=production
+
+CMD HOSTNAME="0.0.0.0" remix-serve build/server/index.js

examples/remix/website/vite.config.ts

@@ -21,6 +21,12 @@ export default defineConfig({
     }),
     tsconfigPaths(),
   ],
+  ssr: {
+    external: ['sharp'],
+    // Reduces Docker image size
+    // https://github.com/remix-run/remix/discussions/8878
+    noExternal: process.env.NODE_ENV === 'production' ? [/.*/] : [],
+  },
   optimizeDeps: {
     exclude: ['sharp', 'file-type'],
   },