Add Dockerfiles for the 17 sample MCP servers

* add Dockerfiles and update README.md definitions

src/slack/README.md

@@ -89,6 +89,8 @@ MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.
 
 Add the following to your `claude_desktop_config.json`:
 
+#### npx
+
 ```json
 {
   "mcpServers": {
@@ -107,6 +109,32 @@ Add the following to your `claude_desktop_config.json`:
 }
 ```
 
+#### docker
+
+```json
+{
+  "mcpServers": {
+    "slack": {
+      "command": "docker",
+      "args": [
+        "run",
+        "-i",
+        "--rm",
+        "-e",
+        "SLACK_BOT_TOKEN=$SLACK_BOT_TOKEN",
+        "-e",
+        "SLACK_TEAM_ID=$SLACK_TEAM_ID",
+        "ai/mcp-slack"
+      ],
+      "env": {
+        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
+        "SLACK_TEAM_ID": "T01234567"
+      }
+    }
+  }
+}
+```
+
 ### Troubleshooting
 
 If you encounter permission errors, verify that:
@@ -115,6 +143,14 @@ If you encounter permission errors, verify that:
 3. The tokens and workspace ID are correctly copied to your configuration
 4. The app has been added to the channels it needs to access
 
+## Build
+
+Docker build:
+
+```bash
+docker build -t ai/mcp-slack -f src/slack/Dockerfile .
+```
+
 ## License
 
 This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.