Add slim image

.github/workflows/build.yml

@@ -26,7 +26,4 @@ jobs:
 
     - name: Build and push Docker image
       run: |
-        docker buildx create --name mybuilder
-        docker buildx use mybuilder
-        docker buildx inspect --bootstrap
-        docker buildx build --push --platform linux/amd64,linux/arm64 -t csalab/kalilinux-docker:github -f Dockerfile .
+        docker buildx build --push --platform linux/amd64,linux/arm64 -t csalab/kalilinux-docker:gha-slim -f Dockerfile-slim .

Dockerfile-slim

@@ -0,0 +1,39 @@
+FROM kalilinux/kali-rolling:latest
+LABEL maintainer="[email protected]"
+RUN sed -i "s/http.kali.org/mirrors.ocf.berkeley.edu/g" /etc/apt/sources.list && \
+    apt-get update && \
+    apt-get -y upgrade
+RUN DEBIAN_FRONTEND=noninteractive apt-get -yq install \
+    sudo \
+    openssh-server \
+    python2 \
+    dialog \
+    firefox-esr \
+    inetutils-ping \
+    htop \
+    nano \
+    net-tools \
+    tigervnc-standalone-server \
+    tigervnc-xorg-extension \
+    tigervnc-viewer \
+    novnc \
+    dbus-x11
+RUN DEBIAN_FRONTEND=noninteractive apt-get -yq install \
+    xfce4-goodies \
+    kali-desktop-xfce && \
+    apt-get -y full-upgrade
+RUN apt-get -y autoremove && \
+    apt-get clean all && \
+    rm -rf /var/lib/apt/lists/* && \
+    useradd -m -c "Kali Linux" -s /bin/bash -d /home/kali kali && \
+    sed -i "s/#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/g" /etc/ssh/sshd_config && \
+    sed -i "s/off/remote/g" /usr/share/novnc/app/ui.js && \
+    echo "kali ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers && \
+    touch /usr/share/novnc/index.htm
+COPY startup.sh /startup.sh
+USER kali
+WORKDIR /home/kali
+ENV VNC_PASSWORD=kalilinux
+ENV SHELL=/bin/bash
+EXPOSE 8080
+ENTRYPOINT ["/bin/bash", "/startup.sh"]