chore(docker): Use supercronic instead of crond

Since the container is rootless now, crond can't be used.

docker/Dockerfile

@@ -7,9 +7,9 @@ ARG TARGETPLATFORM
 ARG REPOSITORY=recyclarr/recyclarr
 ARG BUILD_FROM_BRANCH
 
-COPY --chmod=544 ./scripts/build/*.sh .
-
 RUN apk add unzip bash
+
+COPY --chmod=544 ./scripts/build/*.sh .
 RUN ./build.sh
 
 #############################################################################
@@ -17,16 +17,14 @@ FROM alpine AS final
 
 # Required by environment and/or dotnet
 ENV RECYCLARR_APP_DATA=/config \
-    DOTNET_BUNDLE_EXTRACT_BASE_DIR=/tmp/.net \
-    # Environment variables used by the entrypoint script. These may be overridden from `docker run`
-    # as needed.
     CRON_SCHEDULE="@daily" \
+    DOTNET_BUNDLE_EXTRACT_BASE_DIR=/tmp/.net \
     # The GLOBALIZATION variable is so that we do not need libicu installed (saves us ~40MB).
     DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=true
 
-RUN set -e; \
+RUN set -ex; \
-    apk add --no-cache bash libstdc++ tzdata; \
+    apk add --no-cache bash libstdc++ tzdata supercronic; \
-    mkdir -p "$DOTNET_BUNDLE_EXTRACT_BASE_DIR" && chmod 777 "$DOTNET_BUNDLE_EXTRACT_BASE_DIR"
+    mkdir -p "$DOTNET_BUNDLE_EXTRACT_BASE_DIR" && chmod 777 "$DOTNET_BUNDLE_EXTRACT_BASE_DIR";
 
 COPY --chmod=555 --from=build /build/recyclarr /usr/local/bin
 COPY --chmod=555 ./scripts/prod/*.sh /

docker/scripts/prod/cron.sh

@@ -1,9 +1,15 @@
 #!/usr/bin/env bash
 echo
 echo "-------------------------------------------------------------"
-echo " Executing Cron Tasks: $(date)"
+echo " Executing Tasks: $(date)"
 echo "-------------------------------------------------------------"
-echo
 
+echo
+echo ">>> Sonarr <<<"
+echo
 recyclarr sonarr
+
+echo
+echo ">>> Radarr <<<"
+echo
 recyclarr radarr

docker/scripts/prod/entrypoint.sh

@@ -11,21 +11,11 @@ if [[ ! -z ${PGID+x} ]]; then
     exit 1
 fi
 
-# If the script has any arguments, invoke the CLI instead. This allows the image to be used as a CLI
+# If the script has any arguments, invoke the CLI instead
-# with something like:
-#
-# ```
-# docker run --rm -v ./config:/config ghcr.io/recyclarr/recyclarr sonarr
-# ```
-#
 if [ "$#" -gt 0 ]; then
     recyclarr "$@"
 else
-    echo "Creating crontab file..."
+    echo "Starting cron schedule..."
-    echo "$CRON_SCHEDULE /cron.sh" | crontab -
+    echo "$CRON_SCHEDULE /cron.sh" > /tmp/crontab
-
+    supercronic -passthrough-logs /tmp/crontab
-    crontab -l
-
-    echo "Starting cron daemon..."
-    exec crond -f
 fi