perf: standalone output, slim Docker image

Dockerfile

@@ -6,10 +6,6 @@ RUN mkdir -p /temp/dev
 COPY package.json bun.lock /temp/dev/
 RUN cd /temp/dev && bun install --frozen-lockfile
 
-RUN mkdir -p /temp/prod
-COPY package.json bun.lock /temp/prod/
-RUN cd /temp/prod && bun install --frozen-lockfile --production
-
 FROM base AS prerelease
 COPY --from=install /temp/dev/node_modules node_modules
 COPY . .
@@ -19,10 +15,9 @@ RUN bun run build
 
 FROM base AS release
 
+COPY --from=prerelease /app/.next/standalone ./
+COPY --from=prerelease /app/.next/static ./.next/static
 COPY --from=prerelease /app/public ./public
-COPY --from=prerelease /app/.next ./.next
-COPY --from=prerelease /app/node_modules ./node_modules
-COPY --from=prerelease /app/package.json ./package.json
 COPY --from=prerelease /app/posts ./posts
 
 RUN chown -R bun:bun /app
@@ -30,5 +25,4 @@ RUN chown -R bun:bun /app
 USER bun
 EXPOSE 3000/tcp
 
-CMD ["bun", "run", "start"]
-
+CMD ["bun", "server.js"]

next.config.ts

@@ -1,7 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  output: 'standalone',
   reactStrictMode: true,
   transpilePackages: ['next-mdx-remote']
 };