Merge pull request #526 from ShotaroMuraoka/fix/dockerfile-improvement

Author: Halleck45

Dockerfile

@@ -1,13 +1,13 @@
 FROM php:8.4
 
-MAINTAINER "niconoe-" <[email protected]>
+LABEL org.opencontainers.image.authors="niconoe- <[email protected]>"
 
 COPY releases/phpmetrics.phar /usr/local/bin/phpmetrics
 
 RUN chmod +x /usr/local/bin/phpmetrics \
     # Install git to be able to use option "--git".
     && apt-get update && apt-get install -y git \
-    && rm -rf /var/cache/apk/* /var/tmp/* /tmp/*
+    && rm -rf /var/lib/apt/lists/*
 
 VOLUME ["/app"]
 WORKDIR /app