First build https://github.com/alexbelgium/hassio-addons/issues/972

calibre/rootfs/etc/cont-init.d/90-ingress.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/with-contenv bashio
+# shellcheck shell=bash
+
+# nginx Path
+NGINX_CONFIG=/etc/nginx/sites-available/ingress.conf
+SUBFOLDER="$(bashio::addon.ingress_entry)"
+
+# Copy template
+cp /defaults/default.conf "${NGINX_CONFIG}"
+# Remove ssl part
+awk -v n=4 '/server/{n--}; n > 0' "${NGINX_CONFIG}" >tmpfile
+mv tmpfile "${NGINX_CONFIG}"
+
+# Remove ipv6
+sed -i '/listen \[::\]/d' "${NGINX_CONFIG}"
+# Add ingress parameters
+sed -i "s|3000|$(bashio::addon.ingress_port)|g" "${NGINX_CONFIG}"
+sed -i '/proxy_buffering/a proxy_set_header Accept-Encoding "";' "${NGINX_CONFIG}"
+sed -i '/proxy_buffering/a sub_filter_once off;' "${NGINX_CONFIG}"
+sed -i '/proxy_buffering/a sub_filter_types *;' "${NGINX_CONFIG}"
+sed -i '/proxy_buffering/a sub_filter "vnc/index.html?autoconnect" "vnc/index.html?path=%%path%%/websockify?autoconnect";' "${NGINX_CONFIG}"
+sed -i "s|%%path%%|${SUBFOLDER:1}|g" "${NGINX_CONFIG}"
+
+# Enable ingress
+cp /etc/nginx/sites-available/ingress.conf /etc/nginx/sites-enabled