diff --git a/.github/workflows/publish-gh-pages-hack.yml b/.github/workflows/publish-gh-pages-hack.yml
index b333b9020..432268bb8 100644
--- a/.github/workflows/publish-gh-pages-hack.yml
+++ b/.github/workflows/publish-gh-pages-hack.yml
@@ -30,39 +30,18 @@ jobs:
       - name: Install deps
         run: yarn install --frozen-lockfile
 
-      - name: Build next.js (hacky static export)
-        run: |
-          export VERCEL_GIT_COMMIT_SHA="$(git rev-parse HEAD)"
-          export VERCEL_GIT_COMMIT_MESSAGE="$(git log -1 --pretty=%B)"
-          export NEXT_PUBLIC_FAKE_STATIC_EXPORT=true
-          export NEXT_PUBLIC_FORCE_PROJECT=osmapp.org
-          export NEXT_PUBLIC_OG_IMAGE_FETCHER_HOST=https://osmapp-preview.vercel.app
-          yarn build
-          mkdir public/_next
-          cp -r .next/static public/_next
-          #echo -e "User-agent: *\nDisallow: /" > public/robots.txt
-
-          yarn start &
-          sleep 5 # server usually starts in 1 second
-
-          curl --cookie "hideHomepage=yes" http://localhost:3000 > public/index.html
-          curl --cookie "hideHomepage=yes" http://localhost:3000 > public/404.html
-          for lang in $(node --input-type=module <<<'import { LANGUAGES } from "./src/config.mjs";process.stdout.write(Object.keys(LANGUAGES).join("\n")+"\n");'); do
-            mkdir public/$lang
-            curl --cookie "hideHomepage=yes; lang=$lang" http://localhost:3000 > public/$lang/index.html
-          done;
-
-          # cache SSR version of some pages (eg. Prague, english-only)
-          mkdir -p public/node/1601837931
-          curl --cookie "hideHomepage=yes" http://localhost:3000/node/1601837931 > public/node/1601837931/index.html
+      - name: Run hacky-static-export
+        run: yarn hacky-static-export
 
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v4
         with:
-          path: ./public
+          path: ./static-export
+
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
diff --git a/.gitignore b/.gitignore
index ed84fc933..98640524c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ yarn-error.log*
 .env.local
 .env.sentry-build-plugin
 /public/icons-indoor
+static-export
diff --git a/package.json b/package.json
index 68420516e..b7d38bf7b 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "build": "next build",
     "start": "next start",
     "dist": "next build && next export -o dist",
+    "hacky-static-export": "bash scripts/hacky-static-export.sh",
     "postinstall": "copyfiles -u 2 node_modules/maplibre-gl-indoorequal/sprite/* public/icons-indoor/"
   },
   "husky": {
diff --git a/scripts/hacky-static-export.sh b/scripts/hacky-static-export.sh
new file mode 100755
index 000000000..710ec9d48
--- /dev/null
+++ b/scripts/hacky-static-export.sh
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euom pipefail
+
+if lsof -iTCP:3000 -sTCP:LISTEN -t > /dev/null 2>&1; then
+  echo "Error: port 3000 is already in use." >&2
+  exit 1
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+OUT="$PROJECT_ROOT/static-export"
+
+cd "$PROJECT_ROOT"
+
+export VERCEL_GIT_COMMIT_SHA="$(git rev-parse HEAD)"
+export VERCEL_GIT_COMMIT_MESSAGE="$(git log -1 --pretty=%B)"
+export NEXT_PUBLIC_FAKE_STATIC_EXPORT=true
+export NEXT_PUBLIC_FORCE_PROJECT=osmapp.org
+export NEXT_PUBLIC_OG_IMAGE_FETCHER_HOST=https://osmapp-preview.vercel.app
+export NEXT_PUBLIC_API_KEY_MAPTILER=yd6CSMQpAwnAcPVZwWQ6
+
+yarn build
+
+rm -rf "$OUT"
+cp -r public "$OUT"
+mkdir -p "$OUT/_next"
+cp -r .next/static "$OUT/_next"
+
+yarn start > /dev/null 2>&1 &
+SERVER_PID=$!
+cleanup() { kill -- -"$SERVER_PID" 2>/dev/null || true; } # works thanks to `set -m`
+trap cleanup EXIT
+
+for i in $(seq 1 5); do curl -sf localhost:3000/node/6 > /dev/null 2>&1 && break; sleep 5; done
+
+echo "> Checking SSR..."
+SSR_HTML="$(curl --silent --fail localhost:3000/node/6 || true)"
+if grep -q "Originally Detonátor route (this message used for SSR check)" <<< "$SSR_HTML"; then
+    echo "SSR OK"
+else
+    echo "SSR FAILED"; exit 1
+fi
+
+echo "> Get index.html and 404.html..."
+curl -s --cookie "hideHomepage=yes" localhost:3000 > "$OUT/index.html"
+curl -s --cookie "hideHomepage=yes" localhost:3000 > "$OUT/404.html"
+
+for lang in $(node --input-type=module <<<'import { LANGUAGES } from "./src/config.mjs"; process.stdout.write(Object.keys(LANGUAGES).join("\n")+"\n");'); do
+  echo "> Get language $lang..."
+  mkdir -p "$OUT/$lang"
+  curl -s --cookie "hideHomepage=yes; lang=$lang" localhost:3000 > "$OUT/$lang/index.html"
+done
+
+echo "> Get Prague node page..."
+mkdir -p "$OUT/node/1601837931"
+curl -s --cookie "hideHomepage=yes" localhost:3000/node/1601837931 > "$OUT/node/1601837931/index.html"
+
+echo ""
+echo "Output in: $OUT"