feat: add aws handler and extra deps

Dockerfile

@@ -2,7 +2,7 @@
 FROM alpine/git as git
 WORKDIR /app
 COPY .git /app/.git
-RUN git describe --tags --always --dirty 2>/dev/null > /version || echo "0.1.0" > /version
+RUN git describe --tags --always 2>/dev/null > /version || echo "0.1.0" > /version
 
 FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim
 

pyproject.toml

@@ -5,7 +5,7 @@ readme = "README.md"
 authors = [
     { name = "hrodmn", email = "henry@developmentseed.org" }
 ]
-requires-python = ">=3.13"
+requires-python = ">=3.12"
 dependencies = [
     "httpx>=0.28.1",
     "stac-fastapi-api>=6.0.0,<7.0",
@@ -20,6 +20,9 @@ server = [
     "gunicorn>=23.0.0",
     "uvicorn>=0.35.0",
 ]
+lambda = [
+    "mangum>=0.19.0",
+]
 
 [build-system]
 requires = ["pdm-backend"]
@@ -51,7 +54,6 @@ docs = [
 
 [tool.pdm.version]
 source = "scm"
-fallback_version = "0.1.0"
 
 [tool.mypy]
 ignore_missing_imports = true

src/stac_fastapi/collection_discovery/app.py

@@ -44,6 +44,8 @@
 DESCRIPTION = f"""A collection-search-only STAC API that combines paginated search results
 from multiple upstream STAC APIs.
 
+**User Guide:** <https://developmentseed.org/stac-fastapi-collection-discovery/v{__version__}/>
+
 ## API Configuration
 
 This API has been pre-configured to search this set of upstream STAC APIs by default:
@@ -277,3 +279,16 @@ def format_multiline_string(string: str) -> str:
 )
 
 app = api.app
+
+
+def create_handler(app):
+    """Create a handler to use with AWS Lambda if mangum available."""
+    try:
+        from mangum import Mangum
+
+        return Mangum(app)
+    except ImportError:
+        return None
+
+
+handler = create_handler(app)