make metrics server build script an action, update docs

src/metrics_server/build_action.sh

@@ -14,20 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if (( $# <= 1 )); then
-  echo "Invalid arguments, usage:"
-  echo "build.sh <outdir> <config>"
-  exit 1;
-fi
-
-readonly MODULE_DIR=$(dirname $0)
-readonly OUT_DIR=$1
-readonly CONFIG_FILE=$2
-
-# Compile the server.
-rm -rf $OUT_DIR
-tsc -p $MODULE_DIR/tsconfig.json --outDir $OUT_DIR
-cp -r $MODULE_DIR/package.json $OUT_DIR
-
-# Copy config file.
-cp -r $CONFIG_FILE $OUT_DIR/config.json
+tsc -p $(dirname $0)

src/metrics_server/tsconfig.json

@@ -2,21 +2,11 @@
   "compilerOptions": {
     "target": "es2016",
     "removeComments": false,
-    "noImplicitAny": true,
+    "strict": true,
     "module": "commonjs",
-    "rootDir": ".",
-    "lib": [
-      "dom",
-      "es2016"
-    ]
+    "outDir": "../../build/metrics_server"
   },
   "include": [
-    "index.ts",
-    "post_server_report.ts",
-    "types/**/*.d.ts"
-  ],
-  "exclude": [
-    "node_modules"
-  ],
-  "compileOnSave": true
+    "**/*.ts"
+  ]
 }