Merge branch 'tickets/DM-51134'

Author: kfindeisen

base/Dockerfile

@@ -2,12 +2,11 @@ ARG PIPE_CONTAINER=ghcr.io/lsst/scipipe
 ARG STACK_TAG=d_latest
 FROM ${PIPE_CONTAINER}:${STACK_TAG}
 ENV PYTHONUNBUFFERED=True
-ARG KAFKA=python-confluent-kafka
 RUN <<EOT
   set -ex
   source /opt/lsst/software/stack/loadLSST.bash
-  mamba install -y flask gunicorn
-  mamba list ${KAFKA} | grep ${KAFKA} || mamba install -y "${KAFKA}=2.4.0"
+  # Needed only for Knative support
+  conda install -y flask
   pip install --no-input cloudevents
   pip install --no-input prometheus-client
   pip install --no-input redis