clamav - adjust max filesize conditionally

Signed-off-by: Simon L. <szaimen@e.mail.de>

Containers/clamav/Dockerfile

@@ -1,14 +1,14 @@
 # syntax=docker/dockerfile:latest
-# Probably from this file: https://github.com/Cisco-Talos/clamav-docker/blob/main/clamav/1.1/alpine/Dockerfile
+# Probably from this file: https://github.com/Cisco-Talos/clamav-docker/blob/main/clamav/1.3/alpine/Dockerfile
 FROM clamav/clamav:1.3.1-59
 
-COPY clamav.conf /tmp/clamav.conf
+COPY clamav.conf /clamav.conf
+COPY --chmod=775 start.sh /start.sh
 
 RUN set -ex; \
     apk upgrade --no-cache -a; \
-    apk add --no-cache tzdata; \
-    cat /tmp/clamav.conf >> /etc/clamav/clamd.conf; \
-    rm /tmp/clamav.conf; \
+    apk add --no-cache tzdata bash; \
+    cat /clamav.conf >> /etc/clamav/clamd.conf; \
     mkdir -p /var/run/clamav /run/lock; \
     chown -R clamav:clamav /var/run/clamav /run/clamav /var/log/clamav /var/lock /run/lock; \
     chmod 777 -R /var/run/clamav /run/clamav /var/log/clamav /var/lock /run/lock /tmp
@@ -18,3 +18,5 @@ VOLUME /var/lib/clamav
 USER clamav
 
 LABEL com.centurylinklabs.watchtower.enable="false"
+
+ENTRYPOINT ["/start.sh"]

Containers/clamav/clamav.conf

@@ -1,4 +1,5 @@
+# AIO settings
 MaxDirectoryRecursion 30
-MaxFileSize 100M
-PCREMaxFileSize 100M
-StreamMaxLength 100M
+MaxFileSize 10G
+PCREMaxFileSize 10G
+StreamMaxLength 10G

Containers/clamav/start.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if ! grep -q "AIO settings" /etc/clamav/clamd.conf; then
+    CADDYFILE="$(sed "s|10G|$UPLOAD_LIMIT|" /clamav.conf)"
+    echo "$CADDYFILE" >> /etc/clamav/clamd.conf
+fi
+
+# Call initial init
+/init
+
+exec "$@"

php/containers.json

@@ -575,6 +575,7 @@
       "internal_port": "3310",
       "environment": [
         "TZ=%TIMEZONE%",
+        "UPLOAD_LIMIT=%NEXTCLOUD_UPLOAD_LIMIT%",
         "CLAMD_STARTUP_TIMEOUT=90"
       ],
       "volumes": [