Update Dockerfile

Dockerfile

@@ -1,87 +1,39 @@
-const fs = require('fs');
-const path = require('path');
-const http = require('http');
-const SSHClient = require('ssh2').Client;
-const socketIO = require('socket.io');
+# Use Red Hat UBI minimal image
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.5-204
 
-// Create HTTP server
-const server = http.createServer(onRequest);
+# Set working directory
+WORKDIR /app
 
-// Attach Socket.IO to the server
-const io = socketIO(server);
+# Copy application files
+COPY app/* /app/
 
-// Load static files into memory
-let staticFiles = {};
-let basePath = path.join(require.resolve('xterm'), '..');
-staticFiles['/xterm.css'] = fs.readFileSync(path.join(basePath, '../css/xterm.css'));
-staticFiles['/xterm.js'] = fs.readFileSync(path.join(basePath, 'xterm.js'));
-basePath = path.join(require.resolve('xterm-addon-fit'), '..');
-staticFiles['/xterm-addon-fit.js'] = fs.readFileSync(path.join(basePath, 'xterm-addon-fit.js'));
-staticFiles['/'] = fs.readFileSync('index.html');
+# Switch to root user to install necessary packages
+USER root
 
-// Handle static file serving
-function onRequest(req, res) {
-  let file;
-  if (req.method === 'GET' && (file = staticFiles[req.url])) {
-    res.writeHead(200, {
-      'Content-Type': 'text/' + (/css$/.test(req.url) ? 'css' : (/js$/.test(req.url) ? 'javascript' : 'html'))
-    });
-    return res.end(file);
-  }
-  res.writeHead(404);
-  res.end();
-}
+# Update and install dependencies
+RUN microdnf update -y && \
+    rm -rf /var/cache/yum && \
+    microdnf install nodejs && \
+    microdnf install python3 && \
+    microdnf install make && \
+    microdnf install gcc && \
+    microdnf install gcc-c++ && \
+    microdnf install cmake && \
+    cd /app && \
+    rm -rf node_modules && \
+    npm install --unsafe-perm && \
+    chown -R 1001:0 /app
 
-// Setup WebSocket connection
-io.on('connection', (socket) => {
-  const conn = new SSHClient();
-  
-  // Debug logging
-  conn.on('debug', (msg) => {
-    console.log('DEBUG:', msg);
-  });
-  
-  // On SSH connection ready
-  conn.on('ready', () => {
-    socket.emit('data', '\r\n*** SSH CONNECTION ESTABLISHED ***\r\n');
-    
-    // Start shell session
-    conn.shell((err, stream) => {
-      if (err) {
-        return socket.emit('data', '\r\n*** SSH SHELL ERROR: ' + err.message + ' ***\r\n');
-      }
-      
-      // When data is received from the client, write to the stream
-      socket.on('data', (data) => {
-        stream.write(data);
-      });
-      
-      // Send data back to the client when received from the SSH session
-      stream.on('data', (d) => {
-        socket.emit('data', d.toString('binary'));
-      }).on('close', () => {
-        conn.end();
-      });
-    });
-  })
-  .on('close', () => {
-    socket.emit('data', '\r\n*** SSH CONNECTION CLOSED ***\r\n');
-  })
-  .on('error', (err) => {
-    console.error('SSH Connection Error:', err);
-    socket.emit('data', '\r\n*** SSH CONNECTION ERROR: ' + err.message + ' ***\r\n');
-  })
-  .connect({
-    host: process.env.REMOTE_HOST,  // Use environment variable
-    port: 22,  // Default SSH port
-    username: process.env.REMOTE_USERNAME,  // Use environment variable
-    password: process.env.REMOTE_PASSWORD,  // Use environment variable (or use privateKey if required)
-    readyTimeout: 60000,  // Increase timeout to 60 seconds
-    debug: (msg) => console.log('DEBUG:', msg)  // Enable debug logging
-  });
-});
+# Switch back to a non-root user for security
+USER 1001
 
-// Start the server
-const port = 8000;
-console.log('Listening on port', port);
-server.listen(port);
+# Expose the application port
+EXPOSE 8000
+
+# Define environment variables (optional, you can set them at runtime too)
+ENV REMOTE_HOST=your.remote.host
+ENV REMOTE_USERNAME=username
+ENV REMOTE_PASSWORD=password
+
+# Start the Node.js server
+CMD [ "node", "server.js" ]