diff --git a/.config/redis.config.php b/.config/redis.config.php
index a5b13da6..2069812f 100644
--- a/.config/redis.config.php
+++ b/.config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/28/apache/config/redis.config.php b/28/apache/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/28/apache/config/redis.config.php
+++ b/28/apache/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/28/fpm-alpine/config/redis.config.php b/28/fpm-alpine/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/28/fpm-alpine/config/redis.config.php
+++ b/28/fpm-alpine/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/28/fpm/config/redis.config.php b/28/fpm/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/28/fpm/config/redis.config.php
+++ b/28/fpm/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/29/apache/config/redis.config.php b/29/apache/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/29/apache/config/redis.config.php
+++ b/29/apache/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/29/fpm-alpine/config/redis.config.php b/29/fpm-alpine/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/29/fpm-alpine/config/redis.config.php
+++ b/29/fpm-alpine/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/29/fpm/config/redis.config.php b/29/fpm/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/29/fpm/config/redis.config.php
+++ b/29/fpm/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/30/apache/Dockerfile b/30/apache/Dockerfile
index 73ac6ccc..6f57c148 100644
--- a/30/apache/Dockerfile
+++ b/30/apache/Dockerfile
@@ -89,7 +89,7 @@ RUN set -ex; \
         | sort -u \
         | xargs -rt apt-mark manual; \
     \
-    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+    apt-get upgrade -y && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
     rm -rf /var/lib/apt/lists/*
 
 # set recommended PHP.ini settings
@@ -98,7 +98,7 @@ RUN { \
         echo 'opcache.enable=1'; \
         echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
-        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.memory_consumption=256'; \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
@@ -164,7 +164,7 @@ RUN set -ex; \
     mkdir -p /usr/src/nextcloud/custom_apps; \
     chmod +x /usr/src/nextcloud/occ; \
     \
-    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false $fetchDeps; \
+    apt-get upgrade -y && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false $fetchDeps; \
     rm -rf /var/lib/apt/lists/*
 
 COPY *.sh upgrade.exclude /
diff --git a/30/apache/config/redis.config.php b/30/apache/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/30/apache/config/redis.config.php
+++ b/30/apache/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/30/fpm-alpine/Dockerfile b/30/fpm-alpine/Dockerfile
index 9bd77015..d78e0851 100644
--- a/30/fpm-alpine/Dockerfile
+++ b/30/fpm-alpine/Dockerfile
@@ -93,7 +93,7 @@ RUN { \
         echo 'opcache.enable=1'; \
         echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
-        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.memory_consumption=256'; \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
diff --git a/30/fpm-alpine/config/redis.config.php b/30/fpm-alpine/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/30/fpm-alpine/config/redis.config.php
+++ b/30/fpm-alpine/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/30/fpm/Dockerfile b/30/fpm/Dockerfile
index dfe49612..10de8dad 100644
--- a/30/fpm/Dockerfile
+++ b/30/fpm/Dockerfile
@@ -98,7 +98,7 @@ RUN { \
         echo 'opcache.enable=1'; \
         echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
-        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.memory_consumption=256'; \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
diff --git a/30/fpm/config/redis.config.php b/30/fpm/config/redis.config.php
index a5b13da6..2069812f 100644
--- a/30/fpm/config/redis.config.php
+++ b/30/fpm/config/redis.config.php
@@ -14,4 +14,8 @@ if (getenv('REDIS_HOST')) {
   } elseif (getenv('REDIS_HOST')[0] != '/') {
     $CONFIG['redis']['port'] = 6379;
   }
+
+  if (getenv('REDIS_HOST_USER') !== false) {
+    $CONFIG['redis']['user'] = (string) getenv('REDIS_HOST_USER');
+  }
 }
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 8b66dd34..9a7336bc 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -97,7 +97,7 @@ RUN { \
         echo 'opcache.enable=1'; \
         echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
-        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.memory_consumption=512'; \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
diff --git a/README.md b/README.md
index 6745faa3..6fdd5ec9 100644
--- a/README.md
+++ b/README.md
@@ -236,6 +236,7 @@ To use Redis for memory caching as well as PHP session storage, specify the foll
 
 - `REDIS_HOST` (not set by default) Name of Redis container
 - `REDIS_HOST_PORT` (default: `6379`) Optional port for Redis, only use for external Redis servers that run on non-standard ports.
+- `REDIS_HOST_USER` (not set by default) Optional username for Redis, only use for external Redis servers that require a user.
 - `REDIS_HOST_PASSWORD` (not set by default) Redis password
 
 Check the [Nextcloud documentation](https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/caching_configuration.html) for more information.