Fix up logging in the docker image

Author: JohnGarbutt

Dockerfile

@@ -44,6 +44,9 @@ RUN groupadd --gid $APP_GID $APP_GROUP && \
       --uid $APP_UID \
       $APP_USER
 
+# Don't buffer stdout and stderr as it breaks realtime logging
+ENV PYTHONUNBUFFERED=1
+
 USER $APP_UID
 ENTRYPOINT ["tini", "--"]
 CMD ["os_capacity"]

README.rst

@@ -46,7 +46,7 @@ Or just run via docker or similar:::
    docker run -d --name os_capacity \
      --mount type=bind,source=/etc/kolla/os-capacity/,target=/etc/openstack \
      --env OS_CLOUD=openstack --env OS_CLIENT_CONFIG_FILE=/etc/openstack/clouds.yaml \
-     -p 9000:9000 ghcr.io/stackhpc/os-capacity:e08ecb8
+     -p 9000:9000 ghcr.io/stackhpc/os-capacity:master
    curl localhost:9000