feat: Update the labels of the container

Author: ZPascal

Dockerfile

@@ -1,11 +1,12 @@
 FROM alpine:3.21
 ARG VERSION=1.24.0
-MAINTAINER Pascal Zimmermann <ZPascal>
-LABEL application="PgBouncer" \
-      description="Base alpine linux container image + PgBouncer" \
-      version="1.24.0" \
-      lastModifiedBy="Pascal Zimmermann" \
-      lastModifiedOn="2025-01-10"
+
+LABEL org.opencontainers.image.title="PgBouncer" \
+      org.opencontainers.image.description="Base alpine linux container image & PgBouncer" \
+      org.opencontainers.image.version="${VERSION}" \
+      org.opencontainers.image.authors="Pascal Zimmermann <[email protected]>" \
+      lastUpdatedBy="Pascal Zimmermann" \
+      lastUpdatedOn="2025-01-10"
 
 ENV PG_ENV_POSTGRESQL_MAX_CLIENT_CONN 10000
 ENV PG_ENV_POSTGRESQL_DEFAULT_POOL_SIZE 400