diff --git a/Dockerfile b/Dockerfile
index 8e44adb74..3aa093e01 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,21 +1,54 @@
-FROM debian
+FROM debian:bullseye-slim
 
 WORKDIR /
-RUN apt update -y && apt install -y g++ gcc git curl nasm yasm libgtk-3-dev clang libxcb-randr0-dev libxdo-dev libxfixes-dev libxcb-shape0-dev libxcb-xfixes0-dev libasound2-dev libpulse-dev cmake unzip zip sudo libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev cmake ninja-build && rm -rf /var/lib/apt/lists/*
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt update -y && \
+    apt install --yes --no-install-recommends \
+        g++ \
+        gcc \
+        git \
+        curl \
+        nasm \
+        yasm \
+        libgtk-3-dev \
+        clang \
+        libxcb-randr0-dev \
+        libxdo-dev \
+        libxfixes-dev \
+        libxcb-shape0-dev \
+        libxcb-xfixes0-dev \
+        libasound2-dev \
+        libpulse-dev \
+        make \
+        cmake \
+        unzip \
+        zip \
+        sudo \
+        libgstreamer1.0-dev \
+        libgstreamer-plugins-base1.0-dev \
+        ca-certificates \
+        ninja-build && \
+        rm -rf /var/lib/apt/lists/*
 
-RUN git clone --branch 2023.04.15 --depth=1 https://github.com/microsoft/vcpkg
-RUN /vcpkg/bootstrap-vcpkg.sh -disableMetrics
-RUN /vcpkg/vcpkg --disable-metrics install libvpx libyuv opus aom
+RUN git clone --branch 2023.04.15 --depth=1 https://github.com/microsoft/vcpkg && \
+    /vcpkg/bootstrap-vcpkg.sh -disableMetrics && \
+    /vcpkg/vcpkg --disable-metrics install libvpx libyuv opus aom
+
+RUN groupadd -r user && \
+    useradd -r -g user user --home /home/user && \
+    mkdir -p /home/user/rustdesk && \
+    chown -R user: /home/user && \
+    echo "user ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/user
 
-RUN groupadd -r user && useradd -r -g user user --home /home/user && mkdir -p /home/user && chown user /home/user && echo "user  ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/user
 WORKDIR /home/user
 RUN curl -LO https://raw.githubusercontent.com/c-smile/sciter-sdk/master/bin.lnx/x64/libsciter-gtk.so
+
 USER user
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh
-RUN chmod +x rustup.sh
-RUN ./rustup.sh -y
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh && \
+    chmod +x rustup.sh && \
+    ./rustup.sh -y
 
 USER root
 ENV HOME=/home/user
-COPY ./entrypoint /
-ENTRYPOINT ["/entrypoint"]
+COPY ./entrypoint.sh /
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/entrypoint b/entrypoint.sh
similarity index 100%
rename from entrypoint
rename to entrypoint.sh