Add Dockerfile and build automation

package.json

@@ -5,6 +5,9 @@
   "main": "index.js",
   "type": "module",
   "scripts": {
+    "prebuild": "rm -rf ./dist",
+    "build": "tsc",
+    "start": "node dist/index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -21,7 +24,7 @@
   "dependencies": {
     "@aws-sdk/client-s3": "^3.964.0",
     "@aws-sdk/lib-storage": "^3.964.0",
-    "@owlboard/backend-data-contracts": "^0.1.0",
+    "@owlboard/backend-data-contracts": "^0.1.9",
     "mongodb": "^7.0.0",
     "nats": "^2.29.3",
     "readline": "^1.3.0",