diff --git a/.env.template b/.env.template
index 23e0734..6bf2106 100644
--- a/.env.template
+++ b/.env.template
@@ -5,6 +5,9 @@ DB_HOST=
 DB_PORT=
 DB_NAME=
 
+#OR DB_URL= 
+
+
 SMTP_SERVER=
 SMTP_PORT=
 SMTP_USERNAME=
diff --git a/README b/README
index e69de29..5e50e1a 100644
--- a/README
+++ b/README
@@ -0,0 +1,5 @@
+# Sends mails - based on DB of 1activitiy
+
+## Config
+
+...
diff --git a/app.json b/app.json
new file mode 100644
index 0000000..9aa93dc
--- /dev/null
+++ b/app.json
@@ -0,0 +1,8 @@
+{
+  "cron": [
+    {
+      "command": "ruby mailer.rb",
+      "schedule": "* * * * *"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/mailer.rb b/mailer.rb
index 413337e..869b046 100644
--- a/mailer.rb
+++ b/mailer.rb
@@ -14,6 +14,8 @@ require 'tempfile'
 # Load environment variables from.env file
 Dotenv.load
 
+DB_URL = ENV.fetch('DB_URL')
+
 DB_USER = ENV.fetch('DB_USER')
 DB_PASSWORD = ENV.fetch('DB_PASSWORD')
 DB_HOST = ENV.fetch('DB_HOST')
@@ -36,7 +38,7 @@ END
 
 def fetch_titles_from_db()
   one_week_ago = Date.today - 7
-  connection = PG.connect(:dbname => DB_NAME, :host => DB_HOST, :user => DB_USER, :password => DB_PASSWORD)
+  connection = DB_URL ? PG.connect(DB_URL) : PG.connect(:dbname => DB_NAME, :host => DB_HOST, :user => DB_USER, :password => DB_PASSWORD)
 
   result = connection.exec_params("SELECT item_title FROM activities WHERE created_at >= $1 ORDER BY created_at DESC", [one_week_ago])
   connection.close