Update Dockerfile for correct directory structure

Dockerfile

@@ -136,14 +136,33 @@ ENV FLASK_APP=app.py \
     REDIS_HOST=localhost \
     REDIS_PORT=6379 \
     REDIS_DB=0 \
-    MAIL_TYPE=smtp \
+    MAIL_TYPE=dummy \
     MAIL_DEFAULT_SENDER=no-reply@dify.ai \
     STORAGE_TYPE=local \
     STORAGE_LOCAL_PATH=/app/api/storage \
     VECTOR_STORE=qdrant \
     QDRANT_URL=http://localhost:6333 \
     SECRET_KEY=your-secret-key \
-    SECURITY_PASSWORD_SALT=your-password-salt
+    SECURITY_PASSWORD_SALT=your-password-salt \
+    # SMTP configuration (commented out since we're using dummy mail)
+    # SMTP_SERVER=smtp.example.com \
+    # SMTP_PORT=587 \
+    # SMTP_USERNAME=your-username \
+    # SMTP_PASSWORD=your-password \
+    # SMTP_USE_TLS=true \
+    # Core configuration
+    EDITION=SELF_HOSTED \
+    DEPLOY_ENV=PRODUCTION \
+    # Disable telemetry
+    DISABLE_TELEMETRY=true \
+    # Debug mode
+    DEBUG=false \
+    # Log level
+    LOG_LEVEL=INFO \
+    # Allow demo mode
+    DEMO_MODE=false \
+    # Disable registration
+    DISABLE_REGISTRATION=false
 
 # Switch to the non-root user
 USER user