diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index f02657b..7de6cd7 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,27 +1,110 @@
-# Example Dockerfile for arm64
-ARG BASE_IMAGE=alpine:latest
+ARG BASE_IMAGE=debian:bookworm
 
 FROM ${BASE_IMAGE}
 
 ARG MAINTAINER
 ARG TZ
 ARG APP_NAME
-ARG APP_USER
 
 LABEL maintainer="${MAINTAINER}"
 LABEL org.opencontainers.image.title="${APP_NAME}"
 
 ENV TZ=${TZ}
-ENV USER=${APP_USER}
+ENV DEBIAN_FRONTEND=noninteractive
+ENV LANG=de_DE.UTF-8
+ENV LANGUAGE=de_DE:de
+ENV LC_ALL=de_DE.UTF-8
 
-RUN apk add --no-cache tzdata ca-certificates
+RUN sed -i 's/^Types: deb$/Types: deb deb-src/' /etc/apt/sources.list.d/debian.sources && \
+    apt-get update && apt-get install -y \
+    xrdp \
+    sssd \
+    sssd-tools \
+    libpam-sss \
+    libnss-sss \
+    ldap-utils \
+    ca-certificates \
+    dbus-x11 \
+    xfce4 \
+    xfce4-terminal \
+    sudo \
+    firefox-esr \
+    firefox-esr-l10n-de \
+    thunderbird \
+    thunderbird-l10n-de \
+    locales \
+    tzdata \
+    keyboard-configuration \
+    x11-xkb-utils && \
+    apt-get install -y \
+    pulseaudio \
+    build-essential \
+    dpkg-dev \
+    git \
+    libpulse-dev \
+    meson \
+    ninja-build \
+    pkg-config \
+    autoconf \
+    libtool && \
+    apt-get build-dep -y pulseaudio && \
+    cd /tmp && \
+    apt-get source pulseaudio && \
+    PULSE_DIR=$(find /tmp -maxdepth 1 -type d -name "pulseaudio-*" | head -n 1) && \
+    cd $PULSE_DIR && \
+    meson setup build \
+        -Dman=false \
+        -Dtests=false \
+        -Ddoxygen=false && \
+    cd /tmp && \
+    git clone https://github.com/neutrinolabs/pulseaudio-module-xrdp.git && \
+    cd pulseaudio-module-xrdp && \
+    ./bootstrap && \
+    ./configure PULSE_DIR=$PULSE_DIR && \
+    make && \
+    make install && \
+    cd / && \
+    rm -rf /tmp/pulseaudio-* /tmp/pulseaudio-module-xrdp && \
+    apt-get remove -y build-essential dpkg-dev meson ninja-build autoconf libtool && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/* && \
+    sed -i 's/^# ${LANG} UTF-8/${LANG} UTF-8/' /etc/locale.gen && \
+    locale-gen && \
+    update-locale LANG=${LANG} LANGUAGE=${LANGUAGE} LC_ALL=${LC_ALL} && \
+    ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime && \
+    dpkg-reconfigure -f noninteractive tzdata && \
+    cat > /etc/default/keyboard <<'EOF'
+XKBMODEL="pc105"
+XKBLAYOUT="de"
+XKBVARIANT=""
+XKBOPTIONS=""
+BACKSPACE="guess"
+EOF && \
+    dpkg-reconfigure -f noninteractive keyboard-configuration
 
-WORKDIR /app
-COPY ./config /app/config
-COPY ./data /app/data
+COPY config/pam/ /etc/pam.d/
+COPY config/nsswitch.conf /etc/nsswitch.conf
+COPY config/xrdp/ /etc/xrdp/
+COPY config/ldap/ /etc/ldap/
+COPY config/skel/ /etc/skel/
+COPY config/sudoers /etc/sudoers
 
-RUN adduser -D ${APP_USER} && chown -R ${APP_USER}:${APP_USER} /app
+RUN chmod 440 /etc/sudoers && \
+    mkdir -p /etc/sssd && chown root:root /etc/sssd && chmod 755 /etc/sssd && \
+    mkdir -p /home && chmod 755 /home && \
+    chown xrdp:xrdp /etc/xrdp/key.pem /etc/xrdp/cert.pem /etc/xrdp/rsakeys.ini && \
+    chmod 600 /etc/xrdp/key.pem /etc/xrdp/rsakeys.ini && \
+    chmod 644 /etc/xrdp/cert.pem && \
+    echo "LANG=${LANG}" >> /etc/environment && \
+    echo "LANGUAGE=${LANGUAGE}" >> /etc/environment && \
+    echo "LC_ALL=${LC_ALL}" >> /etc/environment && \
+    sed -i '1i export LANG=${LANG}\nexport LANGUAGE=${LANGUAGE}\nexport LC_ALL=${LC_ALL}' /etc/xrdp/startwm.sh && \
+    chmod +x /etc/xrdp/startwm.sh && \
+    mkdir -p /etc/xdg/xfce4 && \
+    echo "setxkbmap de" >> /etc/xdg/xfce4/xinitrc
 
-USER ${APP_USER}
+EXPOSE 3389
 
-CMD ["sh"]
\ No newline at end of file
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+CMD ["/entrypoint.sh"]
\ No newline at end of file