diff --git a/docker/README.md b/docker/README.md
index 4d944c7..7104f17 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -10,6 +10,7 @@
     - [Search Config](#search-config)
     - [Wikipedia](#wikipedia)
     - [Applications](#applications)
+    - [Engines](#engines)
     - [Curl](#curl)
 - [Docker version issues](#docker-version-issues)
 - [Building a docker image](#building-a-docker-image)
@@ -103,6 +104,13 @@ This docker image was developed with high configurability in mind, so here is th
 
 <br>
 
+### Engines
+| Variables | Default | Examples | Description |
+|:----------|:-------------|:---------|:------|
+| CONFIG_TEXT_SEARCH_ENGINE | "google" | "google", "duckduckgo" | Change your text search engine. |
+
+<br>
+
 ### Applications
 
 | Variables | Default | Examples | Description |
diff --git a/docker/attributes.sh b/docker/attributes.sh
index db47c3d..91829bb 100755
--- a/docker/attributes.sh
+++ b/docker/attributes.sh
@@ -49,6 +49,8 @@ export APP_ANONYMOUS_OVERFLOW=${APP_ANONYMOUS_OVERFLOW:-""}
 export APP_SUDS=${APP_SUDS:-""}
 export APP_BIBLIOREADS=${APP_BIBLIOREADS:-""}
 
+export CONFIG_TEXT_SEARCH_ENGINE=${CONFIG_TEXT_SEARCH_ENGINE:-"google"}
+
 # GNU/Curl configurations. Leave 'CURLOPT_PROXY' blank whether you don't need to use a proxy for requests
 # Generally, a proxy is needed when your IP address is blocked by search engines in response to multiple requests within a short time frame. In these cases, it is recommended to use rotating proxies
 export CURLOPT_PROXY_ENABLED=${CURLOPT_PROXY_ENABLED:-false}
diff --git a/docker/php/config.php b/docker/php/config.php
index 5cee38a..a62af5d 100644
--- a/docker/php/config.php
+++ b/docker/php/config.php
@@ -100,6 +100,10 @@
             )
         ),
 
+        "preferred_engines" => array(
+            "text" => "${CONFIG_TEXT_SEARCH_ENGINE}"
+        ),
+
         "curl_settings" => array(
             CURLOPT_PROXY => "${CURLOPT_PROXY}",
             CURLOPT_PROXYTYPE => "${CURLOPT_PROXYTYPE}",
diff --git a/docker/php/php.dockerfile b/docker/php/php.dockerfile
index ec5dcc1..90fc93b 100644
--- a/docker/php/php.dockerfile
+++ b/docker/php/php.dockerfile
@@ -37,6 +37,8 @@ ENV APP_ANONYMOUS_OVERFLOW=""
 ENV APP_SUDS=""
 ENV APP_BIBLIOREADS=""
 
+# Preferred search engines.
+ENV CONFIG_TEXT_SEARCH_ENGINE="google"
 
 # GNU/Curl configurations. Leave 'CURLOPT_PROXY' blank whether you don't need to use a proxy for requests
 # Generally, a proxy is needed when your IP address is blocked by search engines in response to multiple requests within a short time frame. In these cases, it is recommended to use rotating proxies