Add TODO comment to reduce docker build duration

Author: parthea

.generator/Dockerfile

@@ -39,18 +39,19 @@ RUN apt-get update && \
 ENV BAZELISK_VERSION=v1.26.0
 
 
-RUN for PYTHON_VERSION in 3.9.23 3.10.18 3.11.13 3.12.11 3.13.5; do \
+#RUN for PYTHON_VERSION in 3.9.23 3.10.18 3.11.13 3.12.11 3.13.5; do \
+RUN for PYTHON_VERSION in 3.13.5; do \
 # Install Python from source
     wget https://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tgz && \
     tar -xvf Python-${PYTHON_VERSION}.tgz && \
     cd Python-${PYTHON_VERSION} && \
     ./configure --enable-optimizations && \
     make altinstall && \
     cd / && \
-    rm -rf Python-${PYTHON_VERSION}* && \
+    rm -rf Python-${PYTHON_VERSION}* \
     # Install pip using the instructions below
     # https://pip.pypa.io/en/stable/installation/#ensurepip
-    python${PYTHON_VERSION} -m ensurepip --upgrade \
+    # python${PYTHON_VERSION} -m ensurepip --upgrade \
     ; done
 
 # Test Pip

cloudbuild.yaml

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# TODO(https://github.com/googleapis/google-cloud-python/issues/14142):
+# Reduce this timeout by moving the installation of Python runtimes to a separate base image
 timeout: 7200s  # 2 hours
 steps:
   # This step builds the Docker image.