Add swh-objstorage image

Refs. sysadm-environment#4780

apps/swh-objstorage/Dockerfile

+# Deeply inspired from the Dockerfile of the swh-graphql project
+FROM python:3.10-bullseye
+
+RUN apt-get -y update && \
+    apt-get -y upgrade && \
+    apt-get install -y libcmph-dev librdkafka-dev && \
+    apt clean && \
+    addgroup --gid 1000 swh && \
+    useradd --gid 1000 --uid 1000 -m -d /opt/swh swh && \
+    mkdir /etc/swh
+
+USER swh
+WORKDIR /opt/swh
+
+COPY --chown=swh:swh requirements-frozen.txt /opt/swh
+COPY --chown=swh:swh entrypoint.sh /opt/swh
+
+ENV PYTHONPATH=/opt/swh
+ENV PATH=/opt/swh/.local/bin:$PATH
+
+RUN chmod u+x /opt/swh/entrypoint.sh && \
+    /usr/local/bin/python -m pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements-frozen.txt && \
+    pip install gunicorn
+
+ENV SWH_CONFIG_FILENAME=/etc/swh/config.yml
+ENV PORT 5003
+EXPOSE $PORT
+# Winery is not designed to be thread safe
+# So the number of threads per workers must be 1
+#ENV THREADS 1
+ENV WORKERS 8
+ENV LOG_LEVEL INFO
+ENV TIMEOUT 3600
+
+ENTRYPOINT ["/opt/swh/entrypoint.sh"]

apps/swh-objstorage/entrypoint.sh

+#!/bin/bash
+
+set -e
+
+case "$1" in
+    "shell")
+        shift
+        if (( $# == 0)); then
+            exec bash -i
+        else
+            "$@"
+        fi
+        ;;
+    "swh")
+        shift
+        echo "Running swh command $@"
+        exec swh $@
+        ;;
+    *)
+      echo Starting the swh-objstorage API server
+      exec gunicorn --bind 0.0.0.0:${PORT} \
+          --log-level ${LOG_LEVEL} \
+          --threads 1 \
+          --workers ${WORKERS} \
+          --reload \
+          --timeout 3600 \
+          --config 'python:swh.core.api.gunicorn_config' \
+          'swh.objstorage.api.server:make_app_from_configfile()'
+      ;;
+esac

apps/swh-objstorage/requirements.txt

+swh.objstorage