diff --git a/Dockerfile b/Dockerfile
index df7a428..0713679 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,6 +44,8 @@ RUN pip install --no-cache-dir /src/scraper \
 # Copy zimui build output
 COPY --from=zimui /src/dist /src/zimui
 
-ENV LIBRETEXTS_ZIMUI_DIST=/src/zimui LIBRETEXTS_OUTPUT=/output LIBRETEXTS_TMP=/tmp
+ENV LIBRETEXTS_ZIMUI_DIST=/src/zimui \
+    LIBRETEXTS_OUTPUT=/output \
+    LIBRETEXTS_TMP=/tmp
 
 CMD ["libretexts2zim", "--help"]
diff --git a/scraper/pyproject.toml b/scraper/pyproject.toml
index b557333..fdbd0de 100644
--- a/scraper/pyproject.toml
+++ b/scraper/pyproject.toml
@@ -47,7 +47,6 @@ dev = [
 
 [project.scripts]
 libretexts2zim = "libretexts2zim.__main__:main"
-libretexts2zim-playlists = "libretexts2zim.playlists.__main__:main"
 
 [tool.hatch.version]
 path = "src/libretexts2zim/__about__.py"
diff --git a/scraper/src/libretexts2zim/__main__.py b/scraper/src/libretexts2zim/__main__.py
index 9ee85b7..56d7e47 100644
--- a/scraper/src/libretexts2zim/__main__.py
+++ b/scraper/src/libretexts2zim/__main__.py
@@ -1,9 +1,12 @@
-#!/usr/bin/env python3
-# vim: ai ts=4 sts=4 et sw=4 nu
+import tempfile
 
-import sys
+from libretexts2zim.entrypoint import main as entrypoint
+
+
+def main():
+    with tempfile.TemporaryDirectory() as tmpdir:
+        entrypoint(tmpdir)
 
-from libretexts2zim.entrypoint import main
 
 if __name__ == "__main__":
-    sys.exit(main())
+    main()
diff --git a/scraper/src/libretexts2zim/client.py b/scraper/src/libretexts2zim/client.py
index c80cf0c..794755d 100644
--- a/scraper/src/libretexts2zim/client.py
+++ b/scraper/src/libretexts2zim/client.py
@@ -11,7 +11,8 @@
 
 from libretexts2zim.constants import logger
 
-HTTP_TIMEOUT_SECONDS = 15
+HTTP_TIMEOUT_NORMAL_SECONDS = 15
+HTTP_TIMEOUT_LONG_SECONDS = 30
 
 
 class LibreTextsParsingError(Exception):
@@ -74,8 +75,7 @@ def api_url(self) -> str:
 
     def _get_cache_file(self, url_subpath_and_query: str) -> Path:
         """Get location where HTTP result should be cached"""
-        if url_subpath_and_query.startswith("/"):
-            url_subpath_and_query = url_subpath_and_query[1:]
+        url_subpath_and_query = re.sub(r"^/", "", url_subpath_and_query)
         if url_subpath_and_query.endswith("/"):
             url_subpath_and_query += "index"
         return self.cache_folder / url_subpath_and_query
@@ -94,7 +94,7 @@ def _get_text(self, url_subpath_and_query: str) -> str:
         resp = requests.get(
             url=full_url,
             allow_redirects=True,
-            timeout=HTTP_TIMEOUT_SECONDS,
+            timeout=HTTP_TIMEOUT_NORMAL_SECONDS,
         )
         resp.raise_for_status()
 
@@ -115,7 +115,7 @@ def _get_api_resp(
         return resp
 
     def _get_api_json(
-        self, api_sub_path: str, timeout: float = HTTP_TIMEOUT_SECONDS
+        self, api_sub_path: str, timeout: float = HTTP_TIMEOUT_NORMAL_SECONDS
     ) -> Any:
         cache_file = self._get_cache_file(f"api_json{api_sub_path}")
         if cache_file.exists():
@@ -129,11 +129,11 @@ def _get_api_json(
         return result
 
     def _get_api_content(
-        self, api_sub_path: str, timeout: float = HTTP_TIMEOUT_SECONDS
+        self, api_sub_path: str, timeout: float = HTTP_TIMEOUT_NORMAL_SECONDS
     ) -> bytes | Any:
         cache_file = self._get_cache_file(f"api_content{api_sub_path}")
         if cache_file.exists():
-            return json.loads(cache_file.read_text())
+            return cache_file.read_bytes()
         cache_file.parent.mkdir(parents=True, exist_ok=True)
         resp = self._get_api_resp(api_sub_path, timeout=timeout)
         result = resp.content
@@ -165,7 +165,7 @@ def get_deki_token(self) -> str:
     def get_all_pages_ids(self):
         """Returns the IDs of all pages on current website, exploring the whole tree"""
 
-        tree = self._get_api_json("/pages/home/tree", timeout=HTTP_TIMEOUT_SECONDS * 2)
+        tree = self._get_api_json("/pages/home/tree", timeout=HTTP_TIMEOUT_LONG_SECONDS)
 
         page_ids: list[str] = []
 
@@ -186,7 +186,7 @@ def _get_page_ids(page_node: Any) -> None:
     def get_root_page_id(self) -> str:
         """Returns the ID the root of the tree of pages"""
 
-        tree = self._get_api_json("/pages/home/tree", timeout=HTTP_TIMEOUT_SECONDS * 2)
+        tree = self._get_api_json("/pages/home/tree", timeout=HTTP_TIMEOUT_LONG_SECONDS)
         return tree["page"]["@id"]
 
 
@@ -197,6 +197,7 @@ def _get_soup(content: str) -> BeautifulSoup:
     """
     return BeautifulSoup(content, "lxml")
 
+
 def _get_welcome_image_url_from_home(soup: BeautifulSoup) -> str:
     """Return the URL of the image found on home header"""
     branding_div = soup.find("div", class_="LTBranding")
diff --git a/scraper/src/libretexts2zim/entrypoint.py b/scraper/src/libretexts2zim/entrypoint.py
index 2417e1f..1d8ef52 100644
--- a/scraper/src/libretexts2zim/entrypoint.py
+++ b/scraper/src/libretexts2zim/entrypoint.py
@@ -138,7 +138,7 @@ def add_content_filter_flags(parser: argparse.ArgumentParser):
     )
 
 
-def main() -> None:
+def main(tmpdir: str) -> None:
     parser = argparse.ArgumentParser(
         prog=NAME,
     )
@@ -181,7 +181,7 @@ def main() -> None:
     parser.add_argument(
         "--tmp",
         help="Temporary folder for cache, intermediate files, ... Default: tmp",
-        default=os.getenv("LIBRETEXTS_TMP", "tmp"),
+        default=os.getenv("LIBRETEXTS_TMP", tmpdir),
         dest="tmp_folder",
     )
 
@@ -245,7 +245,3 @@ def main() -> None:
         logger.exception(exc)
         logger.error(f"Generation failed with the following error: {exc}")
         raise SystemExit(1) from exc
-
-
-if __name__ == "__main__":
-    main()