[skip ci] Add 3.9 layer images (#1005)

Author: kukushking

building/build-lambda-layers.sh

@@ -34,3 +34,11 @@ docker run \
  --rm \
  awswrangler-build-py38 \
  build-lambda-layer.sh "${VERSION}-py3.8" "ninja-build"
+
+# Python 3.9
+docker run \
+ --volume "$DIR_NAME":/aws-data-wrangler/ \
+ --workdir /aws-data-wrangler/building/lambda \
+ --rm \
+ awswrangler-build-py39 \
+ build-lambda-layer.sh "${VERSION}-py3.9" "ninja-build"

building/lambda/build-docker-images.sh

@@ -28,4 +28,12 @@ docker build \
   --build-arg py_dev=python38-devel \
   .
 
+# Python 3.9
+docker build \
+  --pull \
+  --tag awswrangler-build-py39 \
+  --build-arg base_image=public.ecr.aws/sam/build-python3.9:latest \
+  --build-arg py_dev=python39-devel \
+  .
+
 rm -rf pyproject.toml poetry.lock