Add GitHub Actions workflow for package publishing

- Introduce a GitHub Actions workflow for automated publishing to GitHub Packages.
- Ensure compatibility with versioned tags and set appropriate permissions for package management.
- Update package configuration to support public access, specify Node.js version, and prepare for publishing.

Signed-off-by: katsumata <12413150+winor30@users.noreply.github.com>

Author: winor30

.github/workflows/publish.yml

@@ -0,0 +1,43 @@
+name: Publish to GitHub Packages
+
+on:
+  push:
+    tags:
+      - 'v*.*.*' # v1.0.0 などのタグを push すると実行
+
+permissions:
+  contents: read
+  packages: write # これが必須
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          # ここでregistry-urlを指定しておくとnpm/pnpmコマンドが自動でnpm.pkg.github.comを使用
+          registry-url: 'https://npm.pkg.github.com'
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm run build
+
+      - name: Publish
+        # publishConfigにregistryがある場合は --registry指定は不要。ただ明示的に指定するケースもある
+        run: pnpm publish
+        env:
+          # GITHUB_TOKENは自動でActionsに渡されるが、pnpm/npmが使用するトークンはこの変数を参照
+          # setup-node@v4 の registry-url 設定によって自動的に .npmrc が書き換わるので
+          # NODE_AUTH_TOKEN を指定しなくても動く可能性はありますが、明示的に指定しておくのが無難です
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

package.json

@@ -2,14 +2,26 @@
   "name": "@winor30/mcp-server-datadog",
   "version": "0.1.0",
   "description": "MCP server for interacting with Datadog API",
-  "private": true,
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/winor30/mcp-server-datadog.git"
+  },
   "type": "module",
   "bin": {
     "mcp-server-datadog": "./build/index.js"
   },
+  "main": "build/index.js",
+  "module": "build/index.js",
+  "types": "build/index.d.ts",
   "files": [
-    "build"
+    "build",
+    "README.md"
   ],
+  "access": "public",
+  "publishConfig": {
+    "registry": "https://npm.pkg.github.com",
+    "access": "public"
+  },
   "scripts": {
     "build": "tsup &&  node -e \"require('fs').chmodSync('build/index.js', '755')\"",
     "prepare": "npm run build",
@@ -34,5 +46,8 @@
     "tsup": "^8.3.6",
     "typescript": "^5.3.3",
     "typescript-eslint": "^8.24.1"
+  },
+  "engines": {
+    "node": ">=16.17.0"
   }
 }