Separate lambda handler from legacy app

app.py

@@ -1,28 +1,17 @@
 from flask import Flask, jsonify, render_template, abort
 from qusasat import Qusasat
-import base64
 
 
 app = Flask(__name__)
 qusasat = Qusasat(categories_file='./data/categories.csv', quotes_file='./data/qusasat.csv')
 
-# Load the only image we have as base64 data in memory
-with open('static/paper.png', 'rb') as file:
-    file_data = file.read()
-base64_data = base64.b64encode(file_data)
-base64_string = base64_data.decode('utf-8')
-
-def lambda_root(event, context):
-    return root_html()
-
 @app.route('/')
 def root_html():
-    global base64_string
     quote = qusasat.get_random_quote()
     return render_template('quote.html', 
                             category=quote['category'],
                             quote=quote['quote'],
-                            background_image_url=f'data:image/png;base64,{base64_string}')
+                            background_image_url='/static/paper.png')
 
 @app.route('/.json')
 def root_json():

handler.py

@@ -0,0 +1,19 @@
+from flask import render_template
+from qusasat import Qusasat
+import base64
+
+# Load data
+qusasat = Qusasat(categories_file='./data/categories.csv', quotes_file='./data/qusasat.csv')
+# Load the only image we have as base64 data in memory
+with open('static/paper.png', 'rb') as file:
+    file_data = file.read()
+base64_data = base64.b64encode(file_data)
+base64_string = base64_data.decode('utf-8')
+
+def run(event, context):
+    global qusasat, base64_string
+    quote = qusasat.get_random_quote()
+    return render_template('quote.html', 
+                            category=quote['category'],
+                            quote=quote['quote'],
+                            background_image_url=f'data:image/png;base64,{base64_string}')

serverless.yml

@@ -7,6 +7,10 @@ provider:
   runtime: python3.9
   region: us-east-1
   deploymentMethod: direct
+  environment:
+    TELEGRAM_BOT_TOKEN: ${env:TELEGRAM_BOT_TOKEN}
+    TELEGRAM_CHAT_ID: ${env:TELEGRAM_CHAT_ID}
+    MESSAGES_SIGNATURE: ${env:MESSAGES_SIGNATURE}
   httpApi:
     cors: true
   logs:
@@ -21,7 +25,7 @@ functions:
           rate: cron(0 17 * * ? *)
           enabled: true
   httpHandler:
-    handler: app.lambda_root
+    handler: handler.run
     events:
       - httpApi:
           path: /