Update base image to fix security vulnerabilities. (#57)

* Update base image to fix security vulnerabilities.

* Fix autorest issue

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:10
+FROM node:12-alpine
 
 EXPOSE 3009
 

sdk/src/typescript/tsconfig.json

@@ -14,6 +14,6 @@
     "outDir": "./esm",
     "importHelpers": true
   },
-  "include": ["./lib/**/*.ts"],
+  "include": ["./src/**/*.ts"],
   "exclude": ["node_modules"]
 }