image: ship bundled conf files (fastcgi_params etc.) at /etc/angie/

The chart's default.conf does `include fastcgi_params;` which resolves
to /etc/angie/fastcgi_params — needed for the php-fpm hand-off.

flake.nix

@@ -57,6 +57,10 @@
         extraCommands = ''
           mkdir -p var/log/nginx var/cache/angie var/lib/angie run tmp etc/angie/http.d
           chmod 1777 tmp run
+          # Ship the conf-dir bundled with angie (mime.types, fastcgi_params,
+          # scgi_params, uwsgi_params, koi-utf, koi-win, etc.) — chart configs
+          # `include fastcgi_params;` and similar resolve relative to /etc/angie.
+          cp ${angie}/conf/* etc/angie/
           cp ${mainConf} etc/angie/angie.conf
         '';
         config = {