Update image annotations

Author: PhrozenByte

build.sh

@@ -45,6 +45,8 @@ cmd buildah run "$CONTAINER" -- \
 
 cleanup "$CONTAINER"
 
+con_cleanup "$CONTAINER"
+
 cmd buildah config \
     --annotation org.opencontainers.image.title="Alpine Linux" \
     --annotation org.opencontainers.image.description="@SGSGermany's base image for containers based on Alpine Linux." \
@@ -53,6 +55,7 @@ cmd buildah config \
     --annotation org.opencontainers.image.vendor="SGS Serious Gaming & Simulations GmbH" \
     --annotation org.opencontainers.image.base.name="$BASE_IMAGE" \
     --annotation org.opencontainers.image.base.digest="$(podman image inspect --format '{{.Digest}}' "$BASE_IMAGE")" \
+    --annotation org.opencontainers.image.created="$(date -u +'%+4Y-%m-%dT%H:%M:%SZ')" \
     "$CONTAINER"
 
 con_commit "$CONTAINER" "$IMAGE" "${TAGS[@]}"