Update Dockerfile

Dockerfile

@@ -2,48 +2,42 @@ FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# 1. Install prerequisites and Docker
+# 1. Install only necessary components (no full Docker install)
 RUN apt-get update && apt-get install -y \
     curl \
-    iproute2 \
-    ca-certificates \
-    gnupg \
-    lsb-release \
-    && mkdir -p /etc/apt/keyrings \
-    && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
-    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu jammy stable" > /etc/apt/sources.list.d/docker.list \
-    && apt-get update \
-    && apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
+    docker.io \  # Lightweight Docker package
+    && rm -rf /var/lib/apt/lists/*
 
-# 2. Configure Docker to run as root
-RUN groupadd docker \
-    && usermod -aG docker root \
-    && newgrp docker
+# 2. Configure Docker alternatives
+RUN ln -s /usr/bin/docker.io /usr/local/bin/docker
 
 # 3. Download Dokploy installer
 RUN curl -sSL https://dokploy.com/install.sh -o /install-dokploy.sh \
     && chmod +x /install-dokploy.sh
 
-# 4. Create entrypoint script
+# 4. Create startup script
 RUN echo '#!/bin/bash\n\
 set -e\n\
 \n\
-# Start Docker daemon with root permissions\n\
-dockerd --host=unix:///var/run/docker.sock --host=tcp://0.0.0.0:2375 &\n\
+# Use rootless Docker if possible\n\
+if [ -x "$(command -v dockerd-rootless.sh)" ]; then\n\
+  dockerd-rootless.sh &\n\
+else\n\
+  dockerd &\n\
+fi\n\
 \n\
-# Wait for Docker to be ready\n\
+# Wait for Docker\n\
 while ! docker info >/dev/null 2>&1; do\n\
-  echo "Waiting for Docker to start..."\n\
   sleep 1\n\
 done\n\
 \n\
-# Run Dokploy installation as root\n\
+# Run Dokploy\n\
 /install-dokploy.sh\n\
 \n\
 # Keep container running\n\
-tail -f /dev/null' > /entrypoint.sh \
-    && chmod +x /entrypoint.sh
+tail -f /dev/null' > /start.sh \
+    && chmod +x /start.sh
 
-EXPOSE 3000 2375
+EXPOSE 3000
 
-ENTRYPOINT ["/entrypoint.sh"]
+CMD ["/start.sh"]