Fix Azure deployment: update startup script and add startup command to Bicep

Author: seligj95

infra/main.bicep

@@ -25,26 +25,12 @@ var appServicePlanName = 'az-${resourcePrefix}-plan-${resourceToken}'
 // App Service name  
 var appServiceName = 'az-${resourcePrefix}-app-${resourceToken}'
 
-// User-assigned managed identity name
-var managedIdentityName = 'az-${resourcePrefix}-mi-${resourceToken}'
-
-// Create User-assigned Managed Identity
-resource managedIdentity 'Microsoft.ManagedIdentity/userAssignedIdentities@2023-01-31' = {
-  name: managedIdentityName
-  location: location
-  tags: {
-    'azd-env-name': environmentName
-    'azd-service-name': 'todo-app'
-  }
-}
-
 // Create App Service Plan (P0V3 Linux)
 resource appServicePlan 'Microsoft.Web/serverfarms@2024-04-01' = {
   name: appServicePlanName
   location: location
   tags: {
     'azd-env-name': environmentName
-    'azd-service-name': 'todo-app'
   }
   sku: {
     name: 'P0v3'
@@ -68,17 +54,15 @@ resource appService 'Microsoft.Web/sites@2024-04-01' = {
     'azd-service-name': 'todo-app'
   }
   identity: {
-    type: 'UserAssigned'
-    userAssignedIdentities: {
-      '${managedIdentity.id}': {}
-    }
+    type: 'SystemAssigned'
   }
   properties: {
     serverFarmId: appServicePlan.id
     reserved: true
     httpsOnly: true
     siteConfig: {
       linuxFxVersion: 'PYTHON|3.12'
+      appCommandLine: 'bash startup.sh'
       appSettings: [
         {
           name: 'SECRET_KEY'
@@ -110,6 +94,6 @@ resource appService 'Microsoft.Web/sites@2024-04-01' = {
 // Outputs
 output RESOURCE_GROUP_ID string = resourceGroup().id
 output AZURE_LOCATION string = location
-output SERVICE_TODO_APP_IDENTITY_PRINCIPAL_ID string = managedIdentity.properties.principalId
+output SERVICE_TODO_APP_IDENTITY_PRINCIPAL_ID string = appService.identity.principalId
 output SERVICE_TODO_APP_NAME string = appService.name
 output SERVICE_TODO_APP_URI string = 'https://${appService.properties.defaultHostName}'

startup.sh

@@ -5,6 +5,9 @@ pip install -r requirements.txt
 
 # Initialize the database
 python -c "
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 from src.app import create_app
 from src.models import db
 
@@ -15,4 +18,4 @@ with app.app_context():
 "
 
 # Start the application
-exec gunicorn --bind=0.0.0.0:$PORT --workers=2 --timeout=600 --keep-alive=2 --max-requests=1000 --max-requests-jitter=50 --preload src.app:app
+exec gunicorn --bind=0.0.0.0:$PORT --workers=2 --timeout=600 --keep-alive=2 --max-requests=1000 --max-requests-jitter=50 --preload main:app