Update Dockerfile

Dockerfile

@@ -3,28 +3,91 @@ FROM ubuntu:22.04
 ENV DEBIAN_FRONTEND=noninteractive
 ENV HOSTNAME=Nobita
 
-# ---- Base packages (ONE shot, ONE layer) ----
+# -----------------------------
+# Install Required Packages
+# -----------------------------
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
     curl \
     wget \
     git \
     sudo \
-    docker.io \
+    qemu-system-x86 \
+    cloud-image-utils \
+    openssh-client \
     htop \
-    btop \
     neovim \
-    lsof \
-    qemu-system \
-    cloud-image-utils \
     && rm -rf /var/lib/apt/lists/*
 
-# ---- Install code-server ----
+# -----------------------------
+# Install code-server
+# -----------------------------
 RUN curl -fsSL https://code-server.dev/install.sh | sh
 
-# ---- Workspace ----
+# -----------------------------
+# Create VM Directory
+# -----------------------------
 WORKDIR /workspace
+RUN mkdir -p /vm/debian13
+
+# -----------------------------
+# Download Debian 13 QCOW2
+# -----------------------------
+RUN wget https://cloud.debian.org/images/cloud/trixie/daily/latest/debian-13-generic-amd64-daily.qcow2 \
+    -O /vm/debian13/debian13.qcow2
+
+# -----------------------------
+# Proper Cloud-Init Config (ROOT + NN WORKING)
+# -----------------------------
+RUN cat <<EOF > /vm/debian13/user-data
+#cloud-config
+ssh_pwauth: true
+disable_root: false
+
+chpasswd:
+  list: |
+    root:root
+    nn:nn
+  expire: false
+
+users:
+  - default
+  - name: nn
+    groups: sudo
+    shell: /bin/bash
+    sudo: ALL=(ALL) ALL
+EOF
+
+RUN cat <<EOF > /vm/debian13/meta-data
+instance-id: debian13
+local-hostname: debian13
+EOF
+
+RUN cloud-localds /vm/debian13/seed.iso \
+    /vm/debian13/user-data \
+    /vm/debian13/meta-data
 
-EXPOSE 7860
+# -----------------------------
+# Expose Ports
+# -----------------------------
+EXPOSE 7860 2222
 
-CMD ["code-server", "--bind-addr", "0.0.0.0:7860", "--auth", "none"]
+# -----------------------------
+# Smart Startup (Auto RAM + CPU)
+# -----------------------------
+CMD bash -c "\
+TOTAL_RAM=\$(awk '/MemTotal/ {print int(\$2/1024)}' /proc/meminfo); \
+VM_RAM=\$((TOTAL_RAM*70/100)); \
+CPU_CORES=\$(nproc); \
+echo \"Detected RAM: \$TOTAL_RAM MB\"; \
+echo \"Allocating VM RAM: \$VM_RAM MB\"; \
+echo \"Detected CPU Cores: \$CPU_CORES\"; \
+qemu-system-x86_64 \
+-m \$VM_RAM \
+-smp \$CPU_CORES \
+-drive file=/vm/debian13/debian13.qcow2,format=qcow2 \
+-drive file=/vm/debian13/seed.iso,format=raw \
+-net nic \
+-net user,hostfwd=tcp::2222-:22 \
+-nographic & \
+code-server --bind-addr 0.0.0.0:7860 --auth none"