chore: Optimize dockerfile size

Dockerfile

@@ -21,12 +21,12 @@
 
 # Setup build env
 ARG VERSION=unversioned
 ARG SENTRY_AUTH_TOKEN
 ENV SENTRY_AUTH_TOKEN="$SENTRY_AUTH_TOKEN"
 ARG GHOST_API_URL
 ENV GHOST_API_URL="$GHOST_API_URL"
 ARG GHOST_CONTENT_KEY
 ENV GHOST_CONTENT_KEY="$GHOST_CONTENT_KEY"
 
 RUN apk add --no-cache jq && \
   mv package.json package.json.bak && \
@@ -50,19 +50,18 @@
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
-COPY --from=deps --chown=nextjs:nodejs /app/node_modules ./node_modules
-COPY --from=builder --chown=nextjs:nodejs /app/next-i18next.config.js ./
-COPY --from=builder --chown=nextjs:nodejs /app/next.config.js ./
-COPY --from=builder --chown=nextjs:nodejs /app/package.json ./
+# Copy standalone server and its dependencies
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+# Copy static assets to standalone directory
 COPY --from=builder --chown=nextjs:nodejs /app/public ./public
-COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
 
-ENV PORT 3040
+ENV PORT=3040
 
 EXPOSE 3040
 
-CMD [ "npm", "run", "start" ]
+CMD [ "node", "server.js" ]
 
 HEALTHCHECK --interval=5s --timeout=3s --retries=3 CMD curl --fail http://localhost:3040 || exit 1

next.config.js

@@ -12,6 +12,7 @@ const { i18n } = require('./next-i18next.config')
  */
 const moduleExports = {
   i18n,
+  output: 'standalone',
   reactStrictMode: true,
   sassOptions: {
     includePaths: [path.join(__dirname, 'src/styles')],
@@ -80,15 +81,15 @@ const moduleExports = {
       {
         key: 'X-XSS-Protection',
         value: '1; mode=block',
-      },
+      }
     ]
 
     return [
       {
         // Apply the headers to all routes
         source: '/:path*',
         headers: securityHeaders,
-      },
+      }
     ]
   },
   modularizeImports: {