feat: add script to setup Prefect Blocks from env vars

setup_blocks.py

@@ -0,0 +1,30 @@
+"""
+Setup Prefect Blocks from environment variables.
+"""
+
+import os
+from prefect_aws import AwsCredentials
+
+
+def setup_blocks():
+    """Crée ou met à jour les Blocks nécessaires."""
+    
+    # AWS/S3 Credentials pour Garage
+    aws_access_key = os.environ.get("AWS_ACCESS_KEY_ID")
+    aws_secret_key = os.environ.get("AWS_SECRET_ACCESS_KEY")
+    aws_endpoint = os.environ.get("AWS_ENDPOINT_URL")
+    
+    if all([aws_access_key, aws_secret_key, aws_endpoint]):
+        creds = AwsCredentials(
+            aws_access_key_id=aws_access_key,
+            aws_secret_access_key=aws_secret_key,
+            aws_endpoint_url=aws_endpoint,
+        )
+        creds.save("garage-credentials", overwrite=True)
+        print("✅ Block 'garage-credentials' created/updated")
+    else:
+        print("⚠️  Skipping garage-credentials: missing environment variables")
+
+
+if __name__ == "__main__":
+    setup_blocks()