chore: add app.py for azure deploy

.env.example

@@ -1,6 +1,6 @@
 # Preprocessor Configuration
-# Path to the preprocessor configuration YAML file
-PP_CONFIG_PATH="/path/to/your/pp-config.yaml"
+# Path to the preprocessor configuration YAML file (relative to project root)
+PP_CONFIG_PATH="src/pp-config.yaml"
 
 # API Keys
 # API key for the preprocessor service
@@ -10,8 +10,9 @@ PP_API_KEY="your-preprocessor-api-key-here"
 DB_ENDPOINT_API_KEY="your-database-endpoint-api-key-here"
 
 # Database Configuration
-# Path to the SQLite database file
-DB_URL="/path/to/your/database.db"
+# Note: DB_PATH is automatically set based on DATA_DIR environment variable
+# Local: defaults to data/database.sqlite
+# Azure: set DATA_DIR=/home/_data in Azure App Settings
 
 # Power BI Configuration
 # Power BI dataset identifier

app.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+"""
+Azure entry point for PowerOn Preprocessing App.
+This file redirects to the actual application in the src directory.
+"""
+
+import os
+import sys
+
+# Add current directory to Python path
+sys.path.insert(0, os.path.dirname(__file__))
+
+# Ensure DATA_DIR exists (Azure persistent storage at /home/_data)
+data_dir = os.environ.get("DATA_DIR", "/home/_data")
+os.makedirs(data_dir, exist_ok=True)
+print(f"Data directory ready: {data_dir}")
+
+# Import the actual application
+from src.main import app
+
+# For Azure App Service with uvicorn, expose the app at module level
+# This allows uvicorn to find it as 'app:app'
+application = app

env_prod.env

@@ -1,7 +1,6 @@
-PP_CONFIG_PATH="/Users/christopher/Documents/Repos/vo-customer-preprocessor/src/pp-config.yaml"
+PP_CONFIG_PATH="src/pp-config.yaml"
 PP_API_KEY="kj823u90209mj020394jp2msakhfkjashjkf"
 DB_ENDPOINT_API_KEY="ouho02j0rj2oijroi3rj2oijro23jr0990"
-DB_URL="/Users/christopher/Documents/Repos/vo-customer-preprocessor/data/data_althaus.db"
 POWERBI_DATASET_ID="0e72b1f1-3d32-4caa-bc1a-e523b6232343"
 POWERBI_CLIENT_ID="9f6fa2cf-3fe1-4ed5-a430-bb7e408c0d87"
 POWERBI_CLIENT_SECRET="Vdy8Q~Bm2_5ooy-pgYtEgvA9-LjRN2HiXFw6Ody0"

src/settings.py

@@ -1,5 +1,6 @@
 """General application settings."""
 
+import os
 from pydantic import Field
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
@@ -21,8 +22,12 @@ class Settings(BaseSettings):
 
     # SQLite database file path.
     # For in memory, use ":memory:" (not persistent).
+    # Uses DATA_DIR environment variable for Azure persistent storage
     DB_PATH: str = Field(
-        "data/database.sqlite", description="Path to the SQLite database."
+        default_factory=lambda: os.path.join(
+            os.environ.get("DATA_DIR", "data"), "database.sqlite"
+        ),
+        description="Path to the SQLite database.",
     )
 
     # --- API Keys ---