- Corrections for setting up the test environment

- Correction of some bugs discovered

docker/prometheus/Dockerfile

@@ -0,0 +1,13 @@
+FROM prom/prometheus:latest
+
+COPY prometheus.yml /etc/prometheus/prometheus.yml
+
+# Expose the Prometheus UI and metrics endpoint
+EXPOSE 9090
+
+# Run Prometheus with the config file
+CMD ["--config.file=/etc/prometheus/prometheus.yml", \
+     "--storage.tsdb.path=/prometheus", \
+     "--web.console.libraries=/etc/prometheus/console_libraries", \
+     "--web.console.templates=/etc/prometheus/consoles", \
+     "--web.enable-lifecycle"]