Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive LANG=en_US.UTF-8
 
-# Install required packages including desktop, Node.js, tools
+# Install packages and desktop + XRDP
 RUN apt update && apt upgrade -y && \
     apt install -y \
       sudo \
@@ -39,29 +39,28 @@ RUN apt update && apt upgrade -y && \
     locale-gen en_US.UTF-8 && \
     apt clean && rm -rf /var/lib/apt/lists/*
 
-# Configure XRDP to use LXDE
+# Set LXDE as XRDP default session
 RUN echo "lxsession -s LXDE -e LXDE" > /etc/xrdp/startwm.sh && chmod +x /etc/xrdp/startwm.sh
 
 # Install Node.js v22
 RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
-    apt update && apt install -y nodejs && \
-    npm install -g npm && \
+    apt update && apt install -y nodejs && npm install -g npm && \
     apt clean && rm -rf /var/lib/apt/lists/*
 
 # Install speedtest-cli
 RUN pip3 install --no-cache-dir speedtest-cli
 
-# Create user 'draco' with sudo rights and fixed UID
+# Create 'draco' user with sudo and UID 1000
 RUN useradd -m -s /bin/bash -u 1000 draco && \
     echo "draco:draco" | chpasswd && \
     usermod -aG sudo draco
 
-# Setup SSH keys for draco user
+# Setup SSH keys for 'draco'
 RUN mkdir -p /home/draco/.ssh && \
     ssh-keygen -t rsa -f /home/draco/.ssh/id_rsa -N '' && \
     chown -R draco:draco /home/draco/.ssh
 
-# Create reconnecting tmate launcher (⚠️ NO INDENTATION inside heredoc!)
+# Add tmate auto-reconnect launcher (NO INDENTATION HERE!)
 RUN cat << 'EOF' > /home/draco/run_tmate.sh
 #!/bin/bash
 while true; do
@@ -79,14 +78,15 @@ sleep 5
 done
 EOF
 
+# Set permissions
 RUN chmod +x /home/draco/run_tmate.sh && chown draco:draco /home/draco/run_tmate.sh
 
 # Switch to draco user
 USER draco
 WORKDIR /home/draco
 
-# Expose ports: XRDP and HTTP
+# Expose XRDP + HTTP server ports
 EXPOSE 3389 7890
 
-# Start tmate reconnect loop and HTTP server
+# Run tmate auto-reconnect and simple HTTP server
 CMD bash -c "/home/draco/run_tmate.sh & python3 -m http.server 7890"