diff --git a/caddy/Caddyfile b/caddy/Caddyfile
index 38827b2..23fbf70 100644
--- a/caddy/Caddyfile
+++ b/caddy/Caddyfile
@@ -28,6 +28,11 @@ http://ядро.орг, http://*.ядро.орг {
     cache {
         allowed_http_verbs POST
         ttl 7d
+
+        key {
+            headers X-Translation-Direction
+        }
+
         timeout {
             backend 1m
         }
diff --git a/caddy/Dockerfile b/caddy/Dockerfile
index 3d21c17..a2e47ee 100644
--- a/caddy/Dockerfile
+++ b/caddy/Dockerfile
@@ -1,8 +1,6 @@
 FROM caddy:builder AS builder
-
 RUN --mount=type=cache,target=/go/pkg/mod xcaddy build \
     --with github.com/caddyserver/cache-handler
 
 FROM caddy:latest
-
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy