diff --git a/docker/nginx/Dockerfile b/docker/nginx/Dockerfile
index 2093872c..eca1e3d8 100644
--- a/docker/nginx/Dockerfile
+++ b/docker/nginx/Dockerfile
@@ -1,5 +1,7 @@
 FROM openresty/openresty:1.19.9.1-focal
 
+WORKDIR /
+
 RUN luarocks install lua-resty-http && \
     luarocks install hasher && \
     openssl req -new -newkey rsa:2048 -days 3650 -nodes -x509 \