feat: add image inspect rule (#47)

Signed-off-by: Andrey Borysenko <[email protected]>

Author: andrey18106

haproxy.cfg.template

@@ -42,6 +42,8 @@ frontend docker_engine
 
     # docker system _ping
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/_ping$ } METH_GET
+    # docker inspect image
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/images/.*/json } METH_GET
     # container inspect: GET containers/%s/json
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/json } METH_GET
     # container inspect: GET containers/%s/logs