diff --git a/30/apache/config/autoconfig.php b/30/apache/config/autoconfig.php
index 92ad2a1c..f01f18d6 100644
--- a/30/apache/config/autoconfig.php
+++ b/30/apache/config/autoconfig.php
@@ -6,13 +6,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbtype'] = 'sqlite';
     $AUTOCONFIG['dbname'] = getenv('SQLITE_DATABASE');
     $autoconfig_enabled = true;
-} elseif (getenv('MYSQL_DATABASE_FILE') && getenv('MYSQL_USER_FILE') && getenv('MYSQL_PASSWORD_FILE') && getenv('MYSQL_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'mysql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('MYSQL_DATABASE_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('MYSQL_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('MYSQL_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('MYSQL_DATABASE') && getenv('MYSQL_USER') && getenv('MYSQL_PASSWORD') && getenv('MYSQL_HOST')) {
     $AUTOCONFIG['dbtype'] = 'mysql';
     $AUTOCONFIG['dbname'] = getenv('MYSQL_DATABASE');
@@ -20,13 +13,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbpass'] = getenv('MYSQL_PASSWORD');
     $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
     $autoconfig_enabled = true;
-} elseif (getenv('POSTGRES_DB_FILE') && getenv('POSTGRES_USER_FILE') && getenv('POSTGRES_PASSWORD_FILE') && getenv('POSTGRES_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'pgsql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('POSTGRES_DB_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('POSTGRES_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('POSTGRES_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('POSTGRES_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('POSTGRES_DB') && getenv('POSTGRES_USER') && getenv('POSTGRES_PASSWORD') && getenv('POSTGRES_HOST')) {
     $AUTOCONFIG['dbtype'] = 'pgsql';
     $AUTOCONFIG['dbname'] = getenv('POSTGRES_DB');
diff --git a/30/apache/config/redis.config.php b/30/apache/config/redis.config.php
index a5b13da6..a5fde3c7 100644
--- a/30/apache/config/redis.config.php
+++ b/30/apache/config/redis.config.php
@@ -5,7 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
-      'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
+      'password' => (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
 
diff --git a/30/apache/config/s3.config.php b/30/apache/config/s3.config.php
index 9941c562..b7dabf32 100644
--- a/30/apache/config/s3.config.php
+++ b/30/apache/config/s3.config.php
@@ -24,25 +24,19 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
     )
   );
 
-  if (getenv('OBJECTSTORE_S3_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_KEY')) {
+  if (getenv('OBJECTSTORE_S3_KEY')) {
     $CONFIG['objectstore']['arguments']['key'] = getenv('OBJECTSTORE_S3_KEY');
   } else {
     $CONFIG['objectstore']['arguments']['key'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SECRET_FILE')) {
-    $CONFIG['objectstore']['arguments']['secret'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SECRET_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SECRET')) {
+  if (getenv('OBJECTSTORE_S3_SECRET')) {
     $CONFIG['objectstore']['arguments']['secret'] = getenv('OBJECTSTORE_S3_SECRET');
   } else {
     $CONFIG['objectstore']['arguments']['secret'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['sse_c_key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
+  if (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
     $CONFIG['objectstore']['arguments']['sse_c_key'] = getenv('OBJECTSTORE_S3_SSE_C_KEY');
   }
 }
diff --git a/30/apache/config/smtp.config.php b/30/apache/config/smtp.config.php
index 66a2ef7e..40cfdf94 100644
--- a/30/apache/config/smtp.config.php
+++ b/30/apache/config/smtp.config.php
@@ -5,16 +5,14 @@ if (getenv('SMTP_HOST') && getenv('MAIL_FROM_ADDRESS') && getenv('MAIL_DOMAIN'))
     'mail_smtphost' => getenv('SMTP_HOST'),
     'mail_smtpport' => getenv('SMTP_PORT') ?: (getenv('SMTP_SECURE') ? 465 : 25),
     'mail_smtpsecure' => getenv('SMTP_SECURE') ?: '',
-    'mail_smtpauth' => getenv('SMTP_NAME') && (getenv('SMTP_PASSWORD') || getenv('SMTP_PASSWORD_FILE')),
+    'mail_smtpauth' => getenv('SMTP_NAME') && getenv('SMTP_PASSWORD'),
     'mail_smtpauthtype' => getenv('SMTP_AUTHTYPE') ?: 'LOGIN',
     'mail_smtpname' => getenv('SMTP_NAME') ?: '',
     'mail_from_address' => getenv('MAIL_FROM_ADDRESS'),
     'mail_domain' => getenv('MAIL_DOMAIN'),
   );
 
-  if (getenv('SMTP_PASSWORD_FILE')) {
-      $CONFIG['mail_smtppassword'] = trim(file_get_contents(getenv('SMTP_PASSWORD_FILE')));
-  } elseif (getenv('SMTP_PASSWORD')) {
+  if (getenv('SMTP_PASSWORD')) {
       $CONFIG['mail_smtppassword'] = getenv('SMTP_PASSWORD');
   } else {
       $CONFIG['mail_smtppassword'] = '';
diff --git a/30/apache/entrypoint.sh b/30/apache/entrypoint.sh
index 8e178f2e..809e2762 100755
--- a/30/apache/entrypoint.sh
+++ b/30/apache/entrypoint.sh
@@ -63,14 +63,16 @@ file_env() {
     local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
     local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
     if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
-        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-        exit 1
+        echo "Warning: both $var and $fileVar are set ($fileVar takes precedence)"
     fi
-    if [ -n "${varValue}" ]; then
-        export "$var"="${varValue}"
-    elif [ -n "${fileVarValue}" ]; then
+    if [ -n "${fileVarValue}" ]; then
+        echo "note: taking ${fileVar} file for ${var} value"
         export "$var"="$(cat "${fileVarValue}")"
+    elif [ -n "${varValue}" ]; then
+        echo "note: using ${var} variable for ${var} value"
+        export "$var"="${varValue}"
     elif [ -n "${def}" ]; then
+        echo "note: using invoked definition for ${var} value"
         export "$var"="$def"
     fi
     unset "$fileVar"
@@ -82,6 +84,21 @@ if expr "$1" : "apache" 1>/dev/null; then
     fi
 fi
 
+# All possible content secrets to variable
+file_env NEXTCLOUD_ADMIN_PASSWORD
+file_env NEXTCLOUD_ADMIN_USER
+file_env MYSQL_DATABASE
+file_env MYSQL_PASSWORD
+file_env MYSQL_USER
+file_env POSTGRES_DB
+file_env POSTGRES_PASSWORD
+file_env POSTGRES_USER
+file_env REDIS_HOST_PASSWORD
+file_env SMTP_PASSWORD
+file_env OBJECTSTORE_S3_KEY
+file_env OBJECTSTORE_S3_SECRET
+file_env OBJECTSTORE_S3_SSE_C_KEY
+
 if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
     uid="$(id -u)"
     gid="$(id -g)"
diff --git a/30/fpm-alpine/config/autoconfig.php b/30/fpm-alpine/config/autoconfig.php
index 92ad2a1c..f01f18d6 100644
--- a/30/fpm-alpine/config/autoconfig.php
+++ b/30/fpm-alpine/config/autoconfig.php
@@ -6,13 +6,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbtype'] = 'sqlite';
     $AUTOCONFIG['dbname'] = getenv('SQLITE_DATABASE');
     $autoconfig_enabled = true;
-} elseif (getenv('MYSQL_DATABASE_FILE') && getenv('MYSQL_USER_FILE') && getenv('MYSQL_PASSWORD_FILE') && getenv('MYSQL_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'mysql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('MYSQL_DATABASE_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('MYSQL_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('MYSQL_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('MYSQL_DATABASE') && getenv('MYSQL_USER') && getenv('MYSQL_PASSWORD') && getenv('MYSQL_HOST')) {
     $AUTOCONFIG['dbtype'] = 'mysql';
     $AUTOCONFIG['dbname'] = getenv('MYSQL_DATABASE');
@@ -20,13 +13,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbpass'] = getenv('MYSQL_PASSWORD');
     $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
     $autoconfig_enabled = true;
-} elseif (getenv('POSTGRES_DB_FILE') && getenv('POSTGRES_USER_FILE') && getenv('POSTGRES_PASSWORD_FILE') && getenv('POSTGRES_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'pgsql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('POSTGRES_DB_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('POSTGRES_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('POSTGRES_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('POSTGRES_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('POSTGRES_DB') && getenv('POSTGRES_USER') && getenv('POSTGRES_PASSWORD') && getenv('POSTGRES_HOST')) {
     $AUTOCONFIG['dbtype'] = 'pgsql';
     $AUTOCONFIG['dbname'] = getenv('POSTGRES_DB');
diff --git a/30/fpm-alpine/config/redis.config.php b/30/fpm-alpine/config/redis.config.php
index a5b13da6..a5fde3c7 100644
--- a/30/fpm-alpine/config/redis.config.php
+++ b/30/fpm-alpine/config/redis.config.php
@@ -5,7 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
-      'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
+      'password' => (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
 
diff --git a/30/fpm-alpine/config/s3.config.php b/30/fpm-alpine/config/s3.config.php
index 9941c562..b7dabf32 100644
--- a/30/fpm-alpine/config/s3.config.php
+++ b/30/fpm-alpine/config/s3.config.php
@@ -24,25 +24,19 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
     )
   );
 
-  if (getenv('OBJECTSTORE_S3_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_KEY')) {
+  if (getenv('OBJECTSTORE_S3_KEY')) {
     $CONFIG['objectstore']['arguments']['key'] = getenv('OBJECTSTORE_S3_KEY');
   } else {
     $CONFIG['objectstore']['arguments']['key'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SECRET_FILE')) {
-    $CONFIG['objectstore']['arguments']['secret'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SECRET_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SECRET')) {
+  if (getenv('OBJECTSTORE_S3_SECRET')) {
     $CONFIG['objectstore']['arguments']['secret'] = getenv('OBJECTSTORE_S3_SECRET');
   } else {
     $CONFIG['objectstore']['arguments']['secret'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['sse_c_key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
+  if (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
     $CONFIG['objectstore']['arguments']['sse_c_key'] = getenv('OBJECTSTORE_S3_SSE_C_KEY');
   }
 }
diff --git a/30/fpm-alpine/config/smtp.config.php b/30/fpm-alpine/config/smtp.config.php
index 66a2ef7e..40cfdf94 100644
--- a/30/fpm-alpine/config/smtp.config.php
+++ b/30/fpm-alpine/config/smtp.config.php
@@ -5,16 +5,14 @@ if (getenv('SMTP_HOST') && getenv('MAIL_FROM_ADDRESS') && getenv('MAIL_DOMAIN'))
     'mail_smtphost' => getenv('SMTP_HOST'),
     'mail_smtpport' => getenv('SMTP_PORT') ?: (getenv('SMTP_SECURE') ? 465 : 25),
     'mail_smtpsecure' => getenv('SMTP_SECURE') ?: '',
-    'mail_smtpauth' => getenv('SMTP_NAME') && (getenv('SMTP_PASSWORD') || getenv('SMTP_PASSWORD_FILE')),
+    'mail_smtpauth' => getenv('SMTP_NAME') && getenv('SMTP_PASSWORD'),
     'mail_smtpauthtype' => getenv('SMTP_AUTHTYPE') ?: 'LOGIN',
     'mail_smtpname' => getenv('SMTP_NAME') ?: '',
     'mail_from_address' => getenv('MAIL_FROM_ADDRESS'),
     'mail_domain' => getenv('MAIL_DOMAIN'),
   );
 
-  if (getenv('SMTP_PASSWORD_FILE')) {
-      $CONFIG['mail_smtppassword'] = trim(file_get_contents(getenv('SMTP_PASSWORD_FILE')));
-  } elseif (getenv('SMTP_PASSWORD')) {
+  if (getenv('SMTP_PASSWORD')) {
       $CONFIG['mail_smtppassword'] = getenv('SMTP_PASSWORD');
   } else {
       $CONFIG['mail_smtppassword'] = '';
diff --git a/30/fpm-alpine/entrypoint.sh b/30/fpm-alpine/entrypoint.sh
index 8e178f2e..809e2762 100755
--- a/30/fpm-alpine/entrypoint.sh
+++ b/30/fpm-alpine/entrypoint.sh
@@ -63,14 +63,16 @@ file_env() {
     local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
     local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
     if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
-        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-        exit 1
+        echo "Warning: both $var and $fileVar are set ($fileVar takes precedence)"
     fi
-    if [ -n "${varValue}" ]; then
-        export "$var"="${varValue}"
-    elif [ -n "${fileVarValue}" ]; then
+    if [ -n "${fileVarValue}" ]; then
+        echo "note: taking ${fileVar} file for ${var} value"
         export "$var"="$(cat "${fileVarValue}")"
+    elif [ -n "${varValue}" ]; then
+        echo "note: using ${var} variable for ${var} value"
+        export "$var"="${varValue}"
     elif [ -n "${def}" ]; then
+        echo "note: using invoked definition for ${var} value"
         export "$var"="$def"
     fi
     unset "$fileVar"
@@ -82,6 +84,21 @@ if expr "$1" : "apache" 1>/dev/null; then
     fi
 fi
 
+# All possible content secrets to variable
+file_env NEXTCLOUD_ADMIN_PASSWORD
+file_env NEXTCLOUD_ADMIN_USER
+file_env MYSQL_DATABASE
+file_env MYSQL_PASSWORD
+file_env MYSQL_USER
+file_env POSTGRES_DB
+file_env POSTGRES_PASSWORD
+file_env POSTGRES_USER
+file_env REDIS_HOST_PASSWORD
+file_env SMTP_PASSWORD
+file_env OBJECTSTORE_S3_KEY
+file_env OBJECTSTORE_S3_SECRET
+file_env OBJECTSTORE_S3_SSE_C_KEY
+
 if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
     uid="$(id -u)"
     gid="$(id -g)"
diff --git a/30/fpm/config/autoconfig.php b/30/fpm/config/autoconfig.php
index 92ad2a1c..f01f18d6 100644
--- a/30/fpm/config/autoconfig.php
+++ b/30/fpm/config/autoconfig.php
@@ -6,13 +6,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbtype'] = 'sqlite';
     $AUTOCONFIG['dbname'] = getenv('SQLITE_DATABASE');
     $autoconfig_enabled = true;
-} elseif (getenv('MYSQL_DATABASE_FILE') && getenv('MYSQL_USER_FILE') && getenv('MYSQL_PASSWORD_FILE') && getenv('MYSQL_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'mysql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('MYSQL_DATABASE_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('MYSQL_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('MYSQL_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('MYSQL_DATABASE') && getenv('MYSQL_USER') && getenv('MYSQL_PASSWORD') && getenv('MYSQL_HOST')) {
     $AUTOCONFIG['dbtype'] = 'mysql';
     $AUTOCONFIG['dbname'] = getenv('MYSQL_DATABASE');
@@ -20,13 +13,6 @@ if (getenv('SQLITE_DATABASE')) {
     $AUTOCONFIG['dbpass'] = getenv('MYSQL_PASSWORD');
     $AUTOCONFIG['dbhost'] = getenv('MYSQL_HOST');
     $autoconfig_enabled = true;
-} elseif (getenv('POSTGRES_DB_FILE') && getenv('POSTGRES_USER_FILE') && getenv('POSTGRES_PASSWORD_FILE') && getenv('POSTGRES_HOST')) {
-    $AUTOCONFIG['dbtype'] = 'pgsql';
-    $AUTOCONFIG['dbname'] = trim(file_get_contents(getenv('POSTGRES_DB_FILE')));
-    $AUTOCONFIG['dbuser'] = trim(file_get_contents(getenv('POSTGRES_USER_FILE')));
-    $AUTOCONFIG['dbpass'] = trim(file_get_contents(getenv('POSTGRES_PASSWORD_FILE')));
-    $AUTOCONFIG['dbhost'] = getenv('POSTGRES_HOST');
-    $autoconfig_enabled = true;
 } elseif (getenv('POSTGRES_DB') && getenv('POSTGRES_USER') && getenv('POSTGRES_PASSWORD') && getenv('POSTGRES_HOST')) {
     $AUTOCONFIG['dbtype'] = 'pgsql';
     $AUTOCONFIG['dbname'] = getenv('POSTGRES_DB');
diff --git a/30/fpm/config/redis.config.php b/30/fpm/config/redis.config.php
index a5b13da6..a5fde3c7 100644
--- a/30/fpm/config/redis.config.php
+++ b/30/fpm/config/redis.config.php
@@ -5,7 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
-      'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
+      'password' => (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
 
diff --git a/30/fpm/config/s3.config.php b/30/fpm/config/s3.config.php
index 9941c562..b7dabf32 100644
--- a/30/fpm/config/s3.config.php
+++ b/30/fpm/config/s3.config.php
@@ -24,25 +24,19 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
     )
   );
 
-  if (getenv('OBJECTSTORE_S3_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_KEY')) {
+  if (getenv('OBJECTSTORE_S3_KEY')) {
     $CONFIG['objectstore']['arguments']['key'] = getenv('OBJECTSTORE_S3_KEY');
   } else {
     $CONFIG['objectstore']['arguments']['key'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SECRET_FILE')) {
-    $CONFIG['objectstore']['arguments']['secret'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SECRET_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SECRET')) {
+  if (getenv('OBJECTSTORE_S3_SECRET')) {
     $CONFIG['objectstore']['arguments']['secret'] = getenv('OBJECTSTORE_S3_SECRET');
   } else {
     $CONFIG['objectstore']['arguments']['secret'] = '';
   }
 
-  if (getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')) {
-    $CONFIG['objectstore']['arguments']['sse_c_key'] = trim(file_get_contents(getenv('OBJECTSTORE_S3_SSE_C_KEY_FILE')));
-  } elseif (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
+  if (getenv('OBJECTSTORE_S3_SSE_C_KEY')) {
     $CONFIG['objectstore']['arguments']['sse_c_key'] = getenv('OBJECTSTORE_S3_SSE_C_KEY');
   }
 }
diff --git a/30/fpm/config/smtp.config.php b/30/fpm/config/smtp.config.php
index 66a2ef7e..40cfdf94 100644
--- a/30/fpm/config/smtp.config.php
+++ b/30/fpm/config/smtp.config.php
@@ -5,16 +5,14 @@ if (getenv('SMTP_HOST') && getenv('MAIL_FROM_ADDRESS') && getenv('MAIL_DOMAIN'))
     'mail_smtphost' => getenv('SMTP_HOST'),
     'mail_smtpport' => getenv('SMTP_PORT') ?: (getenv('SMTP_SECURE') ? 465 : 25),
     'mail_smtpsecure' => getenv('SMTP_SECURE') ?: '',
-    'mail_smtpauth' => getenv('SMTP_NAME') && (getenv('SMTP_PASSWORD') || getenv('SMTP_PASSWORD_FILE')),
+    'mail_smtpauth' => getenv('SMTP_NAME') && getenv('SMTP_PASSWORD'),
     'mail_smtpauthtype' => getenv('SMTP_AUTHTYPE') ?: 'LOGIN',
     'mail_smtpname' => getenv('SMTP_NAME') ?: '',
     'mail_from_address' => getenv('MAIL_FROM_ADDRESS'),
     'mail_domain' => getenv('MAIL_DOMAIN'),
   );
 
-  if (getenv('SMTP_PASSWORD_FILE')) {
-      $CONFIG['mail_smtppassword'] = trim(file_get_contents(getenv('SMTP_PASSWORD_FILE')));
-  } elseif (getenv('SMTP_PASSWORD')) {
+  if (getenv('SMTP_PASSWORD')) {
       $CONFIG['mail_smtppassword'] = getenv('SMTP_PASSWORD');
   } else {
       $CONFIG['mail_smtppassword'] = '';
diff --git a/30/fpm/entrypoint.sh b/30/fpm/entrypoint.sh
index 8e178f2e..809e2762 100755
--- a/30/fpm/entrypoint.sh
+++ b/30/fpm/entrypoint.sh
@@ -63,14 +63,16 @@ file_env() {
     local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
     local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
     if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
-        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-        exit 1
+        echo "Warning: both $var and $fileVar are set ($fileVar takes precedence)"
     fi
-    if [ -n "${varValue}" ]; then
-        export "$var"="${varValue}"
-    elif [ -n "${fileVarValue}" ]; then
+    if [ -n "${fileVarValue}" ]; then
+        echo "note: taking ${fileVar} file for ${var} value"
         export "$var"="$(cat "${fileVarValue}")"
+    elif [ -n "${varValue}" ]; then
+        echo "note: using ${var} variable for ${var} value"
+        export "$var"="${varValue}"
     elif [ -n "${def}" ]; then
+        echo "note: using invoked definition for ${var} value"
         export "$var"="$def"
     fi
     unset "$fileVar"
@@ -82,6 +84,21 @@ if expr "$1" : "apache" 1>/dev/null; then
     fi
 fi
 
+# All possible content secrets to variable
+file_env NEXTCLOUD_ADMIN_PASSWORD
+file_env NEXTCLOUD_ADMIN_USER
+file_env MYSQL_DATABASE
+file_env MYSQL_PASSWORD
+file_env MYSQL_USER
+file_env POSTGRES_DB
+file_env POSTGRES_PASSWORD
+file_env POSTGRES_USER
+file_env REDIS_HOST_PASSWORD
+file_env SMTP_PASSWORD
+file_env OBJECTSTORE_S3_KEY
+file_env OBJECTSTORE_S3_SECRET
+file_env OBJECTSTORE_S3_SSE_C_KEY
+
 if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
     uid="$(id -u)"
     gid="$(id -g)"