Jul 14 - Using CDN - Phase 1

config.py

@@ -37,6 +37,11 @@ class Config:
     MAX_CONTENT_LENGTH = 50 * 1024 * 1024   # 50 MB
     ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif'}
 
+    # ── Storage backend (R2 migration) ──────────────────────────────────────
+    # 'local' (default) = files under app/static/uploads, served via url_for('static').
+    # 's3'   = Cloudflare R2 / S3-compatible (added Phase 2). Flip via env only.
+    STORAGE_BACKEND = os.environ.get('STORAGE_BACKEND', 'local')
+
     # ── Session / cookies ───────────────────────────────────────────────────
     PERMANENT_SESSION_LIFETIME = timedelta(hours=24)
     # Secure by default — subclasses must explicitly opt out for local dev.