Remove post_compile call from Procfile and update it to run bower

Procfile

@@ -1,2 +1 @@
-release: bin/post_compile
-web: gunicorn backend.wsgi --log-file -
+web: gunicorn backend.wsgi --log-file -

app.json

@@ -1,15 +1,45 @@
 {
     "name": "DjangoBoilerplate",
     "addons": [
+        {
+            "plan": "heroku-postgresql:hobby-dev",
+            "options": {
+              "version": "13"
+            },
+            "as": "DATABASE"
+        }
     ],
     "env": {
         "DJANGO_DEBUG": "1",
+        "ALLOWED_HOSTS": {
+            "description": "Django ALLOWED_HOSTS setting, e.g.: .appname.herokuapp.com"
+        },
         "DJANGO_SECRET_KEY": {
             "generator": "secret"
+        },
+        "DJANGO_SETTINGS_MODULE": {
+            "description": "Django settings Python import path",
+            "value": "settings.production"
+        },
+        "DISABLE_COLLECTSTATIC": {
+            "description": "Disables django collectstatic",
+            "value": "1"
+        },
+        "ENABLE_DJANGO_COLLECTSTATIC": {
+            "description": "Enables collectstatic to be run by post_compile",
+            "value": "1"
+        },
+        "AUTO_MIGRATION": {
+            "description": "Setting to run migrate automatically by post_compile",
+            "value": "1"
         }
     },
     "buildpacks": [
-        {"url": "heroku/nodejs"},
-        {"url": "heroku/python"}
+        {
+          "url": "heroku/nodejs"
+        },
+        {
+          "url": "heroku/python"
+        }
     ]
-}
+}

bin/post_compile

@@ -1,3 +1,18 @@
 # !/usr/bin/env bash
-echo "=> Performing database migrations..."
-python manage.py migrate
+echo "====> Running post-compile hook..."
+
+if [ -n "$ENABLE_DJANGO_COLLECTSTATIC" ] && [ "$ENABLE_DJANGO_COLLECTSTATIC" == 1 ]; then
+    echo "=====> Running bower install"
+    ./node_modules/.bin/bower install
+
+    echo "=====> Running collectstatic"
+    python manage.py collectstatic --noinput
+fi
+
+echo "=====> Running manage.py check --deploy --fail-level WARNING"
+python manage.py check --deploy --fail-level WARNING
+
+if [ -n "$AUTO_MIGRATION" ] && [ "$AUTO_MIGRATION" == 1 ]; then
+    echo "=====> Running manage.py migrate"
+    python manage.py migrate --noinput
+fi