fix:port

Dockerfile

@@ -21,7 +21,7 @@ RUN npm run build
 # Production image, copy all the files and run next
 FROM base AS runner
 WORKDIR /app
-ENV NODE_ENV production
+ENV NODE_ENV=production
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
@@ -31,5 +31,5 @@ COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
 EXPOSE 3000
-ENV PORT 3000
+ENV PORT=3000
 CMD ["node", "server.js"]