167130331-bug-(fix heroku build)

 - add start script to package.json
[fixes 167130331 ];

app.json

@@ -1,5 +1,13 @@
 {
-  "addons": [],
+  "addons": [
+    {
+      "plan": "heroku-postgresql",
+      "as": "DATABASE_URL",
+      "options": {
+        "version": "9.5"
+      }
+    }
+  ],
   "buildpacks": [
     {
       "url": "heroku/nodejs"
@@ -15,4 +23,4 @@
   "name": "demeter-ah-backend",
   "scripts": {},
   "stack": "heroku-18"
-}
+}

package.json

@@ -11,7 +11,9 @@
     "dev": "nodemon --exec babel-node server/index",
     "migrate": "sequelize db:migrate",
     "seed": "sequelize db:seed:all",
-    "coverage": "nyc report --reporter=text-lcov | coveralls"
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "start": "babel-node server/index",
+    "heroku-postbuild": "npm run migrate"
   },
   "husky": {
     "hooks": {
@@ -25,10 +27,6 @@
     ]
   },
   "devDependencies": {
-    "@babel/cli": "^7.4.4",
-    "@babel/core": "^7.4.5",
-    "@babel/node": "^7.4.5",
-    "@babel/preset-env": "^7.4.5",
     "chai": "^4.2.0",
     "chai-http": "^4.3.0",
     "coveralls": "^3.0.4",
@@ -42,10 +40,13 @@
     "mocha": "^6.1.4",
     "nodemon": "^1.19.1",
     "nyc": "^14.1.1",
-    "prettier": "^1.18.2",
-    "sequelize-cli": "^5.5.0"
+    "prettier": "^1.18.2"
   },
   "dependencies": {
+    "@babel/cli": "^7.4.4",
+    "@babel/core": "^7.4.5",
+    "@babel/node": "^7.4.5",
+    "@babel/preset-env": "^7.4.5",
     "bcryptjs": "^2.4.3",
     "body-parser": "^1.19.0",
     "consola": "^2.9.0",
@@ -68,6 +69,7 @@
     "sequelize-slugify": "^0.7.0",
     "sinon": "^7.3.2",
     "swagger-ui-express": "^4.0.6",
+    "sequelize-cli": "^5.5.0",
     "yamljs": "^0.3.0"
   }
-}
+}