Updates

nextcloud-aio/Containers/watchtower/Dockerfile

@@ -0,0 +1,19 @@
+# syntax=docker/dockerfile:latest
+FROM ghcr.io/nicholas-fedor/watchtower:1.12.1 AS watchtower
+
+FROM alpine:3.22.1
+
+RUN set -ex; \
+    apk upgrade --no-cache -a; \
+    apk add --no-cache bash ca-certificates tzdata
+
+COPY --from=watchtower /watchtower /watchtower
+
+COPY --chmod=775 start.sh /start.sh
+
+# hadolint ignore=DL3002
+USER root
+
+ENTRYPOINT ["/start.sh"]
+LABEL com.centurylinklabs.watchtower.enable="false" \
+    org.label-schema.vendor="Nextcloud"

nextcloud-aio/Containers/watchtower/start.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Check if socket is available and readable
+if ! [ -e "/var/run/docker.sock" ]; then
+    echo "Docker socket is not available. Cannot continue."
+    exit 1
+elif ! test -r /var/run/docker.sock; then
+    echo "Docker socket is not readable by the root user. Cannot continue."
+    exit 1
+fi
+
+if [ -f /run/.containerenv ]; then
+    # If running under podman disable memory_swappiness setting in watchtower.
+    # It is a necessary workaround until https://github.com/containers/podman/issues/23824 gets fixed.
+    echo "Running under Podman. Setting WATCHTOWER_DISABLE_MEMORY_SWAPPINESS to 1."
+    export WATCHTOWER_DISABLE_MEMORY_SWAPPINESS=1
+fi
+
+if [ -n "$CONTAINER_TO_UPDATE" ]; then
+    exec /watchtower --cleanup --debug --run-once "$CONTAINER_TO_UPDATE"
+else
+    echo "'CONTAINER_TO_UPDATE' is not set. Cannot update anything."
+    exit 1
+fi
+
+exec "$@"