diff --git a/Dockerfile b/Dockerfile
index 4ea6316ae..375ab94c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -78,7 +78,7 @@ RUN echo "@main https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/a
     # URW Base 35 fonts for better PDF rendering
     font-urw-base35 && \
     python3 -m venv /opt/venv && \
-    /opt/venv/bin/pip install --upgrade pip setuptools && \
+    /opt/venv/bin/pip install --no-cache-dir --upgrade pip setuptools && \
     /opt/venv/bin/pip install --no-cache-dir --upgrade unoserver weasyprint && \
     ln -s /usr/lib/libreoffice/program/uno.py /opt/venv/lib/python3.12/site-packages/ && \
     ln -s /usr/lib/libreoffice/program/unohelper.py /opt/venv/lib/python3.12/site-packages/ && \
@@ -89,7 +89,6 @@ RUN echo "@main https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/a
     ln -s /usr/share/fontconfig/conf.avail/69-urw-*.conf /etc/fonts/conf.d/ && \
     fc-cache -f -v && \
     chmod +x /scripts/* && \
-    chmod +x /scripts/init.sh && \
     # User permissions
     addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
     chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /usr/share/fonts/opentype/noto /configs /customFiles /pipeline /tmp/stirling-pdf && \
diff --git a/Dockerfile.dev b/Dockerfile.dev
index 78460115f..48084878d 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -36,7 +36,7 @@ ENV SETUPTOOLS_USE_DISTUTILS=local \
 # Installation der benötigten Python-Pakete
 RUN python3 -m venv --system-site-packages /opt/venv \
   && . /opt/venv/bin/activate \
-  && pip install --upgrade pip setuptools \
+  && pip install --no-cache-dir --upgrade pip setuptools \
   && pip install --no-cache-dir WeasyPrint pdf2image pillow unoserver opencv-python-headless pre-commit
 
 # Füge den venv-Pfad zur globalen PATH-Variable hinzu, damit die Tools verfügbar sind
@@ -54,8 +54,7 @@ RUN echo "devuser ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/devuser \
 # Setze das Arbeitsverzeichnis (wird später per Bind-Mount überschrieben)
 WORKDIR /workspace
 
-RUN chmod +x /workspace/.devcontainer/git-init.sh
-RUN sudo chmod +x /workspace/.devcontainer/init-setup.sh
+RUN chmod +x /workspace/.devcontainer/git-init.sh /workspace/.devcontainer/init-setup.sh
 
 # Wechsel zum Nicht‑Root Benutzer
 USER devuser
diff --git a/Dockerfile.fat b/Dockerfile.fat
index fd5964baf..fda3d89c4 100644
--- a/Dockerfile.fat
+++ b/Dockerfile.fat
@@ -91,7 +91,7 @@ RUN echo "@main https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/a
     py3-pillow@testing \
     py3-pdf2image@testing && \
     python3 -m venv /opt/venv && \
-    /opt/venv/bin/pip install --upgrade pip setuptools && \
+    /opt/venv/bin/pip install --no-cache-dir --upgrade pip setuptools && \
     /opt/venv/bin/pip install --no-cache-dir --upgrade unoserver weasyprint && \
     ln -s /usr/lib/libreoffice/program/uno.py /opt/venv/lib/python3.12/site-packages/ && \
     ln -s /usr/lib/libreoffice/program/unohelper.py /opt/venv/lib/python3.12/site-packages/ && \
@@ -102,7 +102,6 @@ RUN echo "@main https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/a
     ln -s /usr/share/fontconfig/conf.avail/69-urw-*.conf /etc/fonts/conf.d/ && \
     fc-cache -f -v && \
     chmod +x /scripts/* && \
-    chmod +x /scripts/init.sh && \
     # User permissions
     addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
     chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /usr/share/fonts/opentype/noto /configs /customFiles /pipeline /tmp/stirling-pdf && \