Add basic healthcheck.

Author: jared-at-immy

Server/Dockerfile

@@ -20,4 +20,7 @@ VOLUME "/remotely-data"
 
 RUN chmod +x "/src/DockerMain.sh"
 
-ENTRYPOINT ["/src/DockerMain.sh"]
+ENTRYPOINT ["/src/DockerMain.sh"]
+
+HEALTHCHECK --interval=5m --timeout=3s \
+  CMD curl -f http://localhost:5000/ || exit 1