Added version metadata into container

docker/docker-py3-kms/Dockerfile

@@ -1,6 +1,9 @@
 # Switch to the target image
 FROM alpine:3.15
 
+ARG BUILD_COMMIT=unknown
+ARG BUILD_BRANCH=unknown
+
 ENV IP ::
 ENV PORT 1688
 ENV EPID ""
@@ -35,7 +38,10 @@ RUN apk add --no-cache --update \
 COPY py-kms /home/py-kms/
 COPY docker/entrypoint.py /usr/bin/entrypoint.py
 COPY docker/start.py /usr/bin/start.py
+
+# Web-interface specifics
 COPY LICENSE /LICENSE
+RUN echo "$BUILD_COMMIT" > /VERSION && echo "$BUILD_BRANCH" >> /VERSION
 
 RUN chmod 755 /usr/bin/entrypoint.py
 

docker/start.py

@@ -60,6 +60,7 @@ def start_kms():
       pykms_webui_env['PYKMS_SQLITE_DB_PATH'] = db_path
       pykms_webui_env['PORT'] = '8080'
       pykms_webui_env['PYKMS_LICENSE_PATH'] = '/LICENSE'
+      pykms_webui_env['PYKMS_VERSION_PATH'] = '/VERSION'
       pykms_webui_process = subprocess.Popen(['gunicorn', '--log-level', os.environ.get('LOGLEVEL'), 'pykms_WebUI:app'], env=pykms_webui_env)
   except Exception as e:
     loggersrv.error("Failed to start webui: %s" % e)