From cad052507863c6b523ab043fd4e8a367efb0b0d8 Mon Sep 17 00:00:00 2001
From: Gary Sassano <10464497+garysassano@users.noreply.github.com>
Date: Mon, 30 Dec 2024 05:10:16 +0100
Subject: [PATCH] fix: reduce docker build image size by over 13x

---
 resources/Dockerfile | 29 ++++++++++-------------------
 1 file changed, 10 insertions(+), 19 deletions(-)

diff --git a/resources/Dockerfile b/resources/Dockerfile
index 6848457..9dda40b 100644
--- a/resources/Dockerfile
+++ b/resources/Dockerfile
@@ -1,21 +1,12 @@
-# From https://github.com/aws/aws-cdk/blob/95f8cef0505dd2deb8ee5e45ab98c6ab1b764b02/packages/%40aws-cdk/aws-lambda-python-alpha/lib/Dockerfile
-# The correct AWS SAM build image based on the runtime of the function will be
-# passed as build arg. The default allows to do `docker build .` when testing.
-ARG PYTHON_VERSION=3.7
-ARG IMAGE=public.ecr.aws/sam/build-python${PYTHON_VERSION}
-FROM $IMAGE
-
-ARG PIP_INDEX_URL
-ARG PIP_EXTRA_INDEX_URL
-ARG HTTPS_PROXY
-ARG UV_VERSION=0.4.20
-
-ENV PIP_CACHE_DIR=/tmp/pip-cache
-ENV UV_CACHE_DIR=/tmp/uv-cache
-
-RUN mkdir /tmp/pip-cache && \
-    chmod -R 777 /tmp/pip-cache && \
-    pip install uv==$UV_VERSION && \
-    rm -rf /tmp/pip-cache/*
+# Build arg defaults (allow simple `docker build .` when testing)
+ARG PYTHON_VERSION=3.13
+ARG UV_VERSION
+FROM ghcr.io/astral-sh/uv:${UV_VERSION:+${UV_VERSION}-}python${PYTHON_VERSION}-bookworm-slim
+
+RUN apt-get update && \
+    apt-get install -y rsync && \
+    rm -rf /var/lib/apt/lists/* && \
+    mkdir -p /.cache/uv && \
+    chmod 777 /.cache/uv
 
 CMD [ "python" ]