test: go back to AL2 image in tf integ tests

We tried to move to an AL2023 image for an Image function on
Terraform tests, when updating to Python 3.9, but the AppVeyor
environment had some problems. So let's go back to the AL2 base
image and install Python 3.9 in a different way.

Author: valerena

tests/integration/testdata/buildcmd/terraform/build_image_docker/Dockerfile

@@ -1,21 +1,29 @@
-FROM public.ecr.aws/amazonlinux/amazonlinux:2023
+FROM public.ecr.aws/amazonlinux/amazonlinux:2
 
 RUN yum -y update \
-    && yum install -y unzip tar gzip ed less \
+    && yum install -y unzip tar gzip ed less wget \
     && rm -rf /var/cache/yum
 
-RUN yum -y install make \
-    && yum -y install zip
+RUN yum -y groupinstall "Development Tools"
+
+RUN yum -y install openssl-devel bzip2-devel libffi-devel
 
 RUN yum install -y yum-utils \
     && yum-config-manager --add-repo https://rpm.releases.hashicorp.com/AmazonLinux/hashicorp.repo \
     && yum -y install terraform \
     && terraform --version
 
 # AWS Lambda Builders
-# AL2023 uses Python3.9 by default. This might fail in the future if that changes. We just need the proper version
-RUN curl -L get-pip.io | python3.9
-RUN pip3 install aws-lambda-builders
+RUN cd /tmp \
+    && wget https://www.python.org/ftp/python/3.9.17/Python-3.9.17.tgz \
+    && tar xvf Python-3.9.17.tgz \
+    && cd Python-3.9.17 \
+    && ./configure --enable-optimizations \
+    && make install
+
+RUN python3 -m ensurepip
+RUN python3 -m pip install --upgrade pip
+RUN python3 -m pip install aws-lambda-builders
 RUN python3 --version
 
 VOLUME /project