Use standard nginx.conf from lsio alpine nginx base image

root/etc/cont-init.d/45-nginx

@@ -0,0 +1,12 @@
+#!/usr/bin/with-contenv bash
+
+# copy default config files if they don't exist
+if [[ ! -f /config/nginx/error_pages.conf ]]; then
+    cp /defaults/nginx/error_pages.conf.sample /config/nginx/error_pages.conf
+fi
+if [[ ! -f /config/nginx/proxy.conf ]]; then
+    cp /defaults/nginx/proxy.conf.sample /config/nginx/proxy.conf
+fi
+if [[ ! -f /config/www/502.html ]]; then
+    cp /defaults/www/502.html /config/www/502.html
+fi