diff --git a/ext_authz/Dockerfile-opa b/ext_authz/Dockerfile-opa
index 463bca6..a451484 100644
--- a/ext_authz/Dockerfile-opa
+++ b/ext_authz/Dockerfile-opa
@@ -1 +1,3 @@
 FROM openpolicyagent/opa:0.67.0-istio@sha256:41512cb576ba71c2a7267a64958f9f866d549fd681792eac1679cccd3f8b0276
+
+COPY --chmod=644 ./config/opa-service/policy.rego /etc/policy.rego
diff --git a/ext_authz/docker-compose.yaml b/ext_authz/docker-compose.yaml
index 3bf7482..828dc1a 100644
--- a/ext_authz/docker-compose.yaml
+++ b/ext_authz/docker-compose.yaml
@@ -37,8 +37,6 @@ services:
     build:
       context: .
       dockerfile: Dockerfile-opa
-    volumes:
-    - ./config/opa-service/policy.rego:/etc/policy.rego
     command:
     - run
     - --server