Replace ADMIN_CONTACT_EMAIL with ADMIN_EMAIL

app.json

@@ -10,7 +10,7 @@
         "ADMIN_USERNAME": {
             "description": "The user name for the admin account."
         },
-        "ADMIN_CONTACT_EMAIL": {
+        "ADMIN_EMAIL": {
             "description": "The contact email address for the admin account."
         },
         "ADMIN_PASSWORD": {

tools/heroku.sh

@@ -4,11 +4,11 @@ set -o errexit
 
 if [[ -z "${ADMIN_USERNAME}" ]]; then echo "Missing ADMIN_USERNAME environment variable" >&2; exit 1; fi
 if [[ -z "${ADMIN_PASSWORD}" ]]; then echo "Missing ADMIN_PASSWORD environment variable" >&2; exit 1; fi
-if [[ -z "${ADMIN_CONTACT_EMAIL}" ]]; then echo "Missing ADMIN_CONTACT_EMAIL environment variable" >&2; exit 1; fi
+if [[ -z "${ADMIN_EMAIL}" ]]; then echo "Missing ADMIN_EMAIL environment variable" >&2; exit 1; fi
 
 set -o nounset
 
 python /doccano/backend/manage.py migrate
 if [ -n "$ADMIN_USERNAME" ]; then
-    python /doccano/backend/manage.py create_admin --noinput --username="$ADMIN_USERNAME" --email="$ADMIN_CONTACT_EMAIL" --password="$ADMIN_PASSWORD"
+    python /doccano/backend/manage.py create_admin --noinput --username="$ADMIN_USERNAME" --email="$ADMIN_EMAIL" --password="$ADMIN_PASSWORD"
 fi