feat: add aws lambda handler (#81)

Ship with a Mangum handler.

Author: alukach

pyproject.toml

@@ -36,6 +36,9 @@ docs = [
     "mkdocs-material[imaging]>=9.6.16",
     "mkdocstrings[python]>=0.30.0",
 ]
+lambda = [
+    "mangum>=0.19.0",
+]
 
 [tool.coverage.run]
 branch = true

src/stac_auth_proxy/lambda.py

@@ -0,0 +1,17 @@
+"""Handler for AWS Lambda."""
+
+from stac_auth_proxy import create_app
+
+try:
+    from mangum import Mangum
+except ImportError:
+    raise ImportError(
+        "mangum is required to use the Lambda handler. Install stac-auth-proxy[lambda]."
+    )
+
+
+handler = Mangum(
+    create_app(),
+    # NOTE: lifespan="off" skips conformance check and upstream health checks on startup
+    lifespan="off",
+)