feat: enable transactions extension for demo (#276)

This PR enables transactions for with automatic secret lookup. The goal
here is not to expose this feature to end-users, so no further auth is
involved.

Closes #269

stac_api/runtime/src/app.py

@@ -61,7 +61,7 @@
         CORSMiddleware,
         allow_origins=api_settings.cors_origins,
         allow_credentials=True,
-        allow_methods=["GET", "POST", "OPTIONS"],
+        allow_methods=["GET", "POST", "PUT", "OPTIONS"],
         allow_headers=["*"],
     )
 

stac_api/runtime/src/config.py

@@ -8,18 +8,19 @@
 import boto3
 import pydantic
 
+from fastapi.responses import ORJSONResponse
 from stac_fastapi.api.models import create_get_request_model, create_post_request_model
-
-# from stac_fastapi.pgstac.extensions import QueryExtension
 from stac_fastapi.extensions.core import (
     ContextExtension,
     FieldsExtension,
     FilterExtension,
     QueryExtension,
     SortExtension,
     TokenPaginationExtension,
+    TransactionExtension,
 )
 from stac_fastapi.pgstac.config import Settings
+from stac_fastapi.pgstac.transactions import TransactionsClient
 from stac_fastapi.pgstac.types.search import PgstacSearch
 
 
@@ -126,6 +127,11 @@ def TilesApiSettings() -> _TilesApiSettings:
     FieldsExtension(),
     TokenPaginationExtension(),
     ContextExtension(),
+    TransactionExtension(
+        client=TransactionsClient(),
+        settings=ApiSettings().load_postgres_settings(),
+        response_class=ORJSONResponse,
+    ),
 ]
 post_request_model = create_post_request_model(extensions, base_model=PgstacSearch)
 get_request_model = create_get_request_model(extensions)