fix the deployment on kubernetes (#417)

Dockerfile

@@ -9,25 +9,9 @@ RUN apt-get update && apt-get install -y curl gnupg git \
 
 RUN npm install -g pnpm
 
-ENV MCP_DATA_DIR=/app/data
-ENV MCP_SERVERS_DIR=$MCP_DATA_DIR/servers
-ENV MCP_NPM_DIR=$MCP_SERVERS_DIR/npm
-ENV MCP_PYTHON_DIR=$MCP_SERVERS_DIR/python
-ENV PNPM_HOME=$MCP_DATA_DIR/pnpm
-ENV NPM_CONFIG_PREFIX=$MCP_DATA_DIR/npm-global
-ENV NPM_CONFIG_CACHE=$MCP_DATA_DIR/npm-cache
-ENV UV_TOOL_DIR=$MCP_DATA_DIR/uv/tools
-ENV UV_CACHE_DIR=$MCP_DATA_DIR/uv/cache
-ENV PATH=$PNPM_HOME:$NPM_CONFIG_PREFIX/bin:$UV_TOOL_DIR/bin:$PATH
-RUN mkdir -p \
-  $PNPM_HOME \
-  $NPM_CONFIG_PREFIX/bin \
-  $NPM_CONFIG_PREFIX/lib/node_modules \
-  $NPM_CONFIG_CACHE \
-  $UV_TOOL_DIR \
-  $UV_CACHE_DIR \
-  $MCP_NPM_DIR \
-  $MCP_PYTHON_DIR && \
+ENV PNPM_HOME=/usr/local/share/pnpm
+ENV PATH=$PNPM_HOME:$PATH
+RUN mkdir -p $PNPM_HOME && \
   pnpm add -g @amap/amap-maps-mcp-server @playwright/mcp@latest tavily-mcp@latest @modelcontextprotocol/server-github @modelcontextprotocol/server-slack
 
 ARG INSTALL_EXT=false

docs/installation.mdx

@@ -294,22 +294,47 @@ Optional for Smart Routing:
           labels:
             app: mcphub
         spec:
+          initContainers:
+            - name: prepare-config
+              image: busybox:1.28
+              command:
+                [
+                  "sh",
+                  "-c",
+                  "cp /config-ro/mcp_settings.json /etc/mcphub/mcp_settings.json",
+                ]
+              volumeMounts:
+                - name: config
+                  mountPath: /config-ro
+                  readOnly: true
+                - name: app-storage
+                  mountPath: /etc/mcphub
           containers:
-          - name: mcphub
-            image: samanhappy/mcphub:latest
-            ports:
-            - containerPort: 3000
-            env:
-            - name: PORT
-              value: "3000"
-            volumeMounts:
-            - name: config
-              mountPath: /app/mcp_settings.json
-              subPath: mcp_settings.json
+            - name: mcphub
+              image: samanhappy/mcphub:latest
+              ports:
+                - containerPort: 3000
+              resources:
+                requests:
+                  cpu: 100m
+                  memory: 128Mi
+                limits:
+                  cpu: 500m
+                  memory: 512Mi
+              env:
+                - name: PORT
+                  value: "3000"
+                - name: MCPHUB_SETTING_PATH
+                  value: /etc/mcphub/mcp_settings.json
+              volumeMounts:
+                - name: app-storage
+                  mountPath: /etc/mcphub
           volumes:
-          - name: config
-            configMap:
-              name: mcphub-config
+            - name: config
+              configMap:
+                name: mcphub-config
+            - name: app-storage
+              emptyDir: {}
     ```
 
     #### 3. Service

entrypoint.sh

@@ -1,27 +1,5 @@
 #!/bin/bash
 
-DATA_DIR=${MCP_DATA_DIR:-/app/data}
-SERVERS_DIR=${MCP_SERVERS_DIR:-$DATA_DIR/servers}
-NPM_SERVER_DIR=${MCP_NPM_DIR:-$SERVERS_DIR/npm}
-PYTHON_SERVER_DIR=${MCP_PYTHON_DIR:-$SERVERS_DIR/python}
-PNPM_HOME=${PNPM_HOME:-$DATA_DIR/pnpm}
-NPM_CONFIG_PREFIX=${NPM_CONFIG_PREFIX:-$DATA_DIR/npm-global}
-NPM_CONFIG_CACHE=${NPM_CONFIG_CACHE:-$DATA_DIR/npm-cache}
-UV_TOOL_DIR=${UV_TOOL_DIR:-$DATA_DIR/uv/tools}
-UV_CACHE_DIR=${UV_CACHE_DIR:-$DATA_DIR/uv/cache}
-
-mkdir -p \
-  "$PNPM_HOME" \
-  "$NPM_CONFIG_PREFIX/bin" \
-  "$NPM_CONFIG_PREFIX/lib/node_modules" \
-  "$NPM_CONFIG_CACHE" \
-  "$UV_TOOL_DIR" \
-  "$UV_CACHE_DIR" \
-  "$NPM_SERVER_DIR" \
-  "$PYTHON_SERVER_DIR"
-
-export PATH="$PNPM_HOME:$NPM_CONFIG_PREFIX/bin:$UV_TOOL_DIR/bin:$PATH"
-
 NPM_REGISTRY=${NPM_REGISTRY:-https://registry.npmjs.org/}
 echo "Setting npm registry to ${NPM_REGISTRY}"
 npm config set registry "$NPM_REGISTRY"

src/services/mcpService.ts

@@ -1,6 +1,4 @@
-import fs from 'fs';
 import os from 'os';
-import path from 'path';
 import { Server } from '@modelcontextprotocol/sdk/server/index.js';
 import {
   CallToolRequestSchema,
@@ -33,77 +31,6 @@ const servers: { [sessionId: string]: Server } = {};
 
 const serverDao = getServerDao();
 
-const ensureDirExists = (dir: string | undefined): string => {
-  if (!dir) {
-    throw new Error('Directory path is undefined');
-  }
-  if (!fs.existsSync(dir)) {
-    fs.mkdirSync(dir, { recursive: true });
-  }
-  return dir;
-};
-
-const getDataRootDir = (): string => {
-  return ensureDirExists(process.env.MCP_DATA_DIR || path.join(process.cwd(), 'data'));
-};
-
-const getServersStorageRoot = (): string => {
-  return ensureDirExists(process.env.MCP_SERVERS_DIR || path.join(getDataRootDir(), 'servers'));
-};
-
-const getNpmBaseDir = (): string => {
-  return ensureDirExists(process.env.MCP_NPM_DIR || path.join(getServersStorageRoot(), 'npm'));
-};
-
-const getPythonBaseDir = (): string => {
-  return ensureDirExists(
-    process.env.MCP_PYTHON_DIR || path.join(getServersStorageRoot(), 'python'),
-  );
-};
-
-const getNpmCacheDir = (): string => {
-  return ensureDirExists(process.env.NPM_CONFIG_CACHE || path.join(getDataRootDir(), 'npm-cache'));
-};
-
-const getNpmPrefixDir = (): string => {
-  const dir = ensureDirExists(
-    process.env.NPM_CONFIG_PREFIX || path.join(getDataRootDir(), 'npm-global'),
-  );
-  ensureDirExists(path.join(dir, 'bin'));
-  ensureDirExists(path.join(dir, 'lib', 'node_modules'));
-  return dir;
-};
-
-const getUvCacheDir = (): string => {
-  return ensureDirExists(process.env.UV_CACHE_DIR || path.join(getDataRootDir(), 'uv', 'cache'));
-};
-
-const getUvToolDir = (): string => {
-  const dir = ensureDirExists(process.env.UV_TOOL_DIR || path.join(getDataRootDir(), 'uv', 'tools'));
-  ensureDirExists(path.join(dir, 'bin'));
-  return dir;
-};
-
-const getServerInstallDir = (serverName: string, kind: 'npm' | 'python'): string => {
-  const baseDir = kind === 'npm' ? getNpmBaseDir() : getPythonBaseDir();
-  return ensureDirExists(path.join(baseDir, serverName));
-};
-
-const prependToPath = (currentPath: string, dir: string): string => {
-  if (!dir) {
-    return currentPath;
-  }
-  const delimiter = path.delimiter;
-  const segments = currentPath ? currentPath.split(delimiter) : [];
-  if (segments.includes(dir)) {
-    return currentPath;
-  }
-  return currentPath ? `${dir}${delimiter}${currentPath}` : dir;
-};
-
-const NODE_COMMANDS = new Set(['npm', 'npx', 'pnpm', 'yarn', 'node', 'bun', 'bunx']);
-const PYTHON_COMMANDS = new Set(['uv', 'uvx', 'python', 'pip', 'pip3', 'pipx']);
-
 // Helper function to set up keep-alive ping for SSE connections
 const setupKeepAlive = (serverInfo: ServerInfo, serverConfig: ServerConfig): void => {
   // Only set up keep-alive for SSE connections
@@ -286,7 +213,7 @@ export const createTransportFromConfig = async (name: string, conf: ServerConfig
       ...(process.env as Record<string, string>),
       ...replaceEnvVars(conf.env || {}),
     };
-    env['PATH'] = expandEnvVars(env['PATH'] || process.env.PATH || '');
+    env['PATH'] = expandEnvVars(process.env.PATH as string) || '';
 
     const settings = loadSettings();
     // Add UV_DEFAULT_INDEX and npm_config_registry if needed
@@ -308,52 +235,9 @@ export const createTransportFromConfig = async (name: string, conf: ServerConfig
       env['npm_config_registry'] = settings.systemConfig.install.npmRegistry;
     }
 
-    // Ensure stdio servers use persistent directories under /app/data (or configured override)
-    let workingDirectory = os.homedir();
-    const commandLower = conf.command.toLowerCase();
-
-    if (NODE_COMMANDS.has(commandLower)) {
-      const serverDir = getServerInstallDir(name, 'npm');
-      workingDirectory = serverDir;
-
-      const npmCacheDir = getNpmCacheDir();
-      const npmPrefixDir = getNpmPrefixDir();
-
-      if (!env['npm_config_cache']) {
-        env['npm_config_cache'] = npmCacheDir;
-      }
-      if (!env['NPM_CONFIG_CACHE']) {
-        env['NPM_CONFIG_CACHE'] = env['npm_config_cache'];
-      }
-
-      if (!env['npm_config_prefix']) {
-        env['npm_config_prefix'] = npmPrefixDir;
-      }
-      if (!env['NPM_CONFIG_PREFIX']) {
-        env['NPM_CONFIG_PREFIX'] = env['npm_config_prefix'];
-      }
-
-      env['PATH'] = prependToPath(env['PATH'], path.join(env['npm_config_prefix'], 'bin'));
-    } else if (PYTHON_COMMANDS.has(commandLower)) {
-      const serverDir = getServerInstallDir(name, 'python');
-      workingDirectory = serverDir;
-
-      const uvCacheDir = getUvCacheDir();
-      const uvToolDir = getUvToolDir();
-
-      if (!env['UV_CACHE_DIR']) {
-        env['UV_CACHE_DIR'] = uvCacheDir;
-      }
-      if (!env['UV_TOOL_DIR']) {
-        env['UV_TOOL_DIR'] = uvToolDir;
-      }
-
-      env['PATH'] = prependToPath(env['PATH'], path.join(env['UV_TOOL_DIR'], 'bin'));
-    }
-
     // Expand environment variables in command
     transport = new StdioClientTransport({
-      cwd: workingDirectory,
+      cwd: os.homedir(),
       command: conf.command,
       args: replaceEnvVars(conf.args) as string[],
       env: env,