diff --git a/docker/docker-entrypoint.sh b/docker/docker-entrypoint.sh
index ca0c4bc..bdb706a 100755
--- a/docker/docker-entrypoint.sh
+++ b/docker/docker-entrypoint.sh
@@ -5,6 +5,10 @@ set -e
 FOURGET_PROTO="${FOURGET_PROTO%\"}"
 FOURGET_PROTO="${FOURGET_PROTO#\"}"
 
+# make lowercase
+FOURGET_PROTO=`echo $FOURGET_PROTO | awk '{print tolower($0)}'`
+
+
 if [ "$FOURGET_PROTO" = "https" ] || [ -f /etc/4get/certs/fullchain.pem ] || [ -f /etc/4get/certs/privkey.pem ]; then
         echo "Using https configuration"
         cp /etc/apache2/https.conf /etc/apache2/httpd.conf
diff --git a/docker/gen_config.php b/docker/gen_config.php
index cb12e3a..cc43916 100644
--- a/docker/gen_config.php
+++ b/docker/gen_config.php
@@ -3,19 +3,21 @@
 include "/var/www/html/4get/data/config.php";
 
 $refl = new ReflectionClass('config');
-$config = ($refl->getConstants());
+$from_config = ($refl->getConstants());
+$from_env = array();
 
 $env = getenv();
 $fourget_env = array_filter($env, function($v, $k) {
         return str_starts_with($k, "FOURGET");
 }, ARRAY_FILTER_USE_BOTH);
 
-
 foreach($fourget_env as $key => $val)  {
         $target_key = preg_replace('/^FOURGET_/', '', $key);
-        $config[$target_key] = trim($val, '\'"');
+        $from_env[$target_key] = trim($val, '\'"');
 };
 
+$merged_config = array_merge($from_config, $from_env);
+
 function type_to_string($n) {
         $type = gettype($n);
         if ($type === "NULL") {
@@ -52,26 +54,31 @@ function detect_captcha_dirs() {
 }
 
 
-$special_keys = ["CAPTCHA_DATASET", "INSTANCES"];
+$special_keys = ["PROTO", "CAPTCHA_DATASET"];
 
 $output = "<?php\n // This file was generated by docker/gen_config.php\n";
 
 $output = $output . "class config {\n";
-foreach(($config) as $key => $val){
+foreach(($merged_config) as $key => $val){
         if(!in_array($key, $special_keys)) {
-$output = $output . "\tconst " . $key . " = " . type_to_string($val) . ";\n";
-continue;
+            
+            // conversion between arrays and comma separated env value. 
+            // If original type of field is array and there is a type mismatch such as when a comma separted string is passed, 
+            // then split on comma if string and not numeric
+            if(gettype($from_config[$key]) != gettype($val) && !is_numeric($val)) {
+                $data = gettype($val) === "string" ? explode(",", $val) : $val;
+                $output = $output . "\tconst " . $key . " = " . type_to_string($data) . ";\n";
+            } else {
+                $output = $output . "\tconst " . $key . " = " . type_to_string($val) . ";\n";
+            }
+
+            continue;
         }
 
 
         if($key === "CAPTCHA_DATASET") {
                 $output = $output . "\tconst " . $key . " = " . type_to_string(detect_captcha_dirs()) . ";\n";
         }
-        if($key === "INSTANCES") {
-                $instances_list = gettype($val) === "string" ? explode(",", $val) : $val;
-                $output = $output . "\tconst " . $key . " = " . type_to_string($instances_list) . ";\n";
-        }
-
 }
 
 $output = $output . "}\n";
diff --git a/docs/docker.md b/docs/docker.md
index 2507bcf..e56b5ca 100644
--- a/docs/docker.md
+++ b/docs/docker.md
@@ -2,12 +2,17 @@
 
 When using docker container any environment variables prefixed with `FOURGET_` will be added to the generated config located at `/var/www/html/4get/data/config.php`
 
+When lists of data is expected in [data/config.php](../data/config.php), such as `INSTANCES`, you can pass in a comma separated string via environment variable. 
+
+Example:
+`FOURGET_INSTANCES="https://4get.ca,https://domain.tld"`
+
 #### Special environment variables
 
 | Name              | value                          | Example                              |
 | -                 | -                              | -                                    |
 | FOURGET_PROTO     | "http" or "https"              | "https"                              |
-| FOURGET_INSTANCES | comma separated string of urls | "https://4get.ca,https://domain.tld" |
+
 
 #### Important directories
 
@@ -65,7 +70,7 @@ version: "3.7"
 services:
   fourget:
     image: luuul/4get:latest
-    restart: always
+    restart: unless-stopped
     environment:
       - FOURGET_VERSION=6
       - FOURGET_PROTO=http
@@ -84,7 +89,7 @@ version: "3.7"
 services:
   fourget:
     image: luuul/4get:latest
-    restart: always
+    restart: unless-stopped
     environment:
       - FOURGET_VERSION=6
       - FOURGET_PROTO=https
@@ -110,7 +115,7 @@ version: "3.7"
 services:
   fourget:
     image: luuul/4get:latest
-    restart: always
+    restart: unless-stopped
     environment:
       - FOURGET_VERSION=6
       - FOURGET_PROTO=http
@@ -133,7 +138,7 @@ version: "3.7"
 services:
   fourget:
     image: luuul/4get:latest
-    restart: always
+    restart: unless-stopped
     environment:
       - FOURGET_VERSION=6
       - FOURGET_PROTO=http