build.sh: Cleanup old annotations and add 'created' date

Author: PhrozenByte

build.sh

@@ -109,6 +109,8 @@ rm -rf "$MOUNT/usr/src/acme-mgmt"
 # finalize image
 cleanup "$CONTAINER"
 
+con_cleanup "$CONTAINER"
+
 cmd buildah config \
     --env ACME_TINY_VERSION="$ACME_TINY_VERSION" \
     --env ACME_TINY_HASH="$ACME_TINY_HASH" \
@@ -137,6 +139,7 @@ cmd buildah config \
     --annotation org.opencontainers.image.licenses="MIT" \
     --annotation org.opencontainers.image.base.name="$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[@]}"