diff --git a/searxng/.env.example b/searxng/.env.example
new file mode 100644
index 0000000..112b909
--- /dev/null
+++ b/searxng/.env.example
@@ -0,0 +1,4 @@
+# Generate secret with:
+# $ cat /dev/urandom | tr -dc 'a-z-A-Z-0-9' | head -c 50
+
+SEARXNG_SECRET=XXX
diff --git a/searxng/docker-compose.yaml b/searxng/docker-compose.yaml
index 1f90e3a..c49d6e7 100644
--- a/searxng/docker-compose.yaml
+++ b/searxng/docker-compose.yaml
@@ -22,6 +22,7 @@ services:
       - SETUID
     environment:
       - SEARXNG_BASE_URL=https://searx.viyurz.fr/
+      - SEARXNG_SECRET=${SEARXNG_SECRET}
     networks:
       - searxng
     ports:
diff --git a/searxng/settings.yml b/searxng/settings.yml
index 8165bc4..0ce3abb 100644
--- a/searxng/settings.yml
+++ b/searxng/settings.yml
@@ -10,7 +10,6 @@ search:
   autocomplete: "google"
 
 server:
-  secret_key: "1d744894f2ff45be0990e0bf240456083cfe292a57857c0cdca88915531c2bb7"
   limiter: true
   image_proxy: true