UML-3210 Use Python slim for building lambda (#2490)

lambda-functions/upload-statistics/Dockerfile

@@ -1,55 +1,27 @@
 # Define function directory
 ARG FUNCTION_DIR="/function"
 
-FROM python:3.11.7-alpine3.18 AS python-alpine
-RUN apk add --no-cache \
-    libstdc++
-
-# Upgrade insecure packages
-RUN apk update && apk upgrade expat krb5-libs libcrypto1.1 libssl1.1 libcom_err ncurses busybox openssl
-RUN pip install setuptools --upgrade
-
-FROM python-alpine as build-image
-
-# Install aws-lambda-cpp build dependencies
-RUN apk add --no-cache \
-    build-base \
-    libtool \
-    autoconf \
-    automake \
-    elfutils-dev \
-    make \
-    cmake \
-    libcurl
-
-# Include global arg in this stage of the build
+FROM python:3.11-slim
+
+RUN apt -y update && apt -y install gcc python3-dev
+
 ARG FUNCTION_DIR
-# Create function directory
+
+WORKDIR ${FUNCTION_DIR}
+
 RUN mkdir -p ${FUNCTION_DIR}
 
-# Copy function code
 COPY app ${FUNCTION_DIR}/app
 
 COPY requirements.txt requirements.txt
 
-# Install the runtime interface client
 RUN python -m pip install --upgrade pip
 RUN python -m pip install \
         --target ${FUNCTION_DIR} \
         --requirement requirements.txt
 
-FROM python:3.11-slim
-
-RUN apt -y update && apt -y install gcc python3-dev
-# Include global arg in this stage of the build
-ARG FUNCTION_DIR
-# Set working directory to function root directory
-WORKDIR ${FUNCTION_DIR}
 # Uninstall installation packages
 RUN pip uninstall -y wheel setuptools
 
-# Copy in the build image dependencies
-COPY --from=build-image ${FUNCTION_DIR} ${FUNCTION_DIR}
-
 ENTRYPOINT [ "/usr/local/bin/python", "-m", "awslambdaric" ]
 CMD [ "app.upload-statistics.lambda_handler" ]