Environment Variables: Configure variables like PORT, USERNAME, and P…

…ASSWORD when running the container.

Persistent Cache: Use npm cache clean and retry settings to address transient download issues.
Logs: Examine logs at /root/.npm/_logs/ for further troubleshooting if issues persist.

Dockerfile

@@ -1,11 +1,10 @@
+# Use a base Ubuntu image
 FROM ubuntu:22.04
 
-# Environment variables for container configuration
-ARG USERNAME=developer
-ARG PASSWORD=password
-ARG PORT=8443
+# Set environment variables for non-interactive installation
+ENV DEBIAN_FRONTEND=noninteractive
 
-# Update and install essential tools
+# Update and install base dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
@@ -18,32 +17,41 @@ RUN apt-get update && apt-get install -y \
     zsh \
     openssl \
     ca-certificates \
-    gnupg \
-    && rm -rf /var/lib/apt/lists/*
+    gnupg && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Install Node.js and npm (required for code-server npm installation)
-RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
-    apt-get install -y nodejs
+# Add Node.js 18.x repository
+RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+    apt-get install -y nodejs && \
+    npm install -g npm@latest
 
-# Ensure the installation environment is clean and ready
+# Ensure npm cache is clean and retry on failure
 RUN npm cache clean --force && \
-    rm -rf /usr/lib/node_modules/code-server
+    npm config set registry https://registry.npmjs.org/ && \
+    npm config set fetch-retries 5 && \
+    npm config set fetch-retry-mintimeout 10000 && \
+    npm config set fetch-retry-maxtimeout 30000
 
-# Install code-server globally using npm with proper permissions
+# Install code-server globally
 RUN npm install -g --unsafe-perm code-server
 
-# Add entrypoint script
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
+# Create a user and set permissions
+ARG USERNAME=developer
+ARG PASSWORD=password
+RUN useradd -m -s /bin/zsh ${USERNAME} && \
+    echo "${USERNAME}:${PASSWORD}" | chpasswd && \
+    usermod -aG sudo ${USERNAME}
+
+# Expose the default VS Code Server port
+EXPOSE 8443
 
-# Create a non-root user and configure environment
-RUN useradd -ms /bin/bash -G sudo $USERNAME && \
-    echo "$USERNAME:$PASSWORD" | chpasswd && \
-    mkdir -p /home/$USERNAME && \
-    chown -R $USERNAME:$USERNAME /home/$USERNAME
+# Set the entrypoint script
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
 
-# Expose the port for code-server
-EXPOSE $PORT
+# Set working directory and user
+WORKDIR /home/${USERNAME}
+USER ${USERNAME}
 
-# Set the entrypoint
-ENTRYPOINT ["/entrypoint.sh"]
+# Default command
+ENTRYPOINT ["entrypoint.sh"]

entrypoint.sh

@@ -1,54 +1,16 @@
 #!/bin/bash
 set -e
 
-# Validate required environment variables
-if [ -z "$USERNAME" ] || [ -z "$PORT" ] || [ -z "$PASSWORD" ]; then
-    echo "Error: USERNAME, PORT, and PASSWORD environment variables are required"
-    exit 1
-fi
-
-# Set HOME if not already set
-if [ -z "$HOME" ]; then
-    export HOME="/home/${USERNAME}"
-fi
-
-# Create user if it doesn't exist
-if ! id -u ${USERNAME} >/dev/null 2>&1; then
-    useradd -m -s /bin/bash ${USERNAME}
-    echo "${USERNAME} ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/${USERNAME}
-fi
-
-# Setup directories
-mkdir -p ${HOME}/.local/share/code-server/extensions
-mkdir -p ${HOME}/.local/share/code-server/User
-mkdir -p ${HOME}/.local/share/code-server/Machine
-mkdir -p ${HOME}/.local/share/code-server/logs
-mkdir -p ${HOME}/.local/share/code-server/User/globalStorage
-mkdir -p ${HOME}/.local/share/code-server/User/History
-chown -R ${USERNAME}:${USERNAME} ${HOME}
-
-# Generate SSL certificates if they don't exist
-if [ ! -f /etc/code-server/self-signed.crt ]; then
-    openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
-        -keyout /etc/code-server/self-signed.key \
-        -out /etc/code-server/self-signed.crt \
+# Generate SSL certificates if not exist
+if [ ! -f /home/${USERNAME}/.ssl/key.pem ]; then
+    mkdir -p /home/${USERNAME}/.ssl
+    openssl req -x509 -nodes -days 365 \
+        -newkey rsa:2048 \
+        -keyout /home/${USERNAME}/.ssl/key.pem \
+        -out /home/${USERNAME}/.ssl/cert.pem \
         -subj "/CN=localhost"
+    chmod -R 600 /home/${USERNAME}/.ssl
 fi
 
-# Configure code-server
-mkdir -p ${HOME}/.config/code-server
-cat > ${HOME}/.config/code-server/config.yaml << EOF
-bind-addr: 0.0.0.0:${PORT}
-auth: password
-password: ${PASSWORD}
-cert: /etc/code-server/self-signed.crt
-cert-key: /etc/code-server/self-signed.key
-EOF
-
-chown -R ${USERNAME}:${USERNAME} ${HOME}/.config
-
-# Switch to the user and start code-server
-exec sudo -u ${USERNAME} code-server \
-    --bind-addr "0.0.0.0:${PORT}" \
-    --user-data-dir "${HOME}/.local/share/code-server" \
-    --config "${HOME}/.config/code-server/config.yaml"
+# Run code-server with specified environment variables
+exec code-server --auth password --cert /home/${USERNAME}/.ssl/cert.pem --port ${PORT:-8443}