#!/usr/bin/env bash
# Reformat path
if [[ ${MYVNC_PROXYPATH} == "/" ]]
then
    unset _MYVNC_PROXYPATH
elif [ ${MYVNC_PROXYPATH} ]
then
    _MYVNC_PROXYPATH=$(echo ${MYVNC_PROXYPATH%/} | sed "s|^.*/||;s|^|/|")
fi

# Add novnc virtual proxy conf
cat >/app/nginx/novnc.conf <<- novnc
upstream vnc_proxy {
    server 127.0.0.1:6080;
}

server {
    listen 6900;

    location ${_MYVNC_PROXYPATH}/websockify {
        proxy_http_version 1.1;
        proxy_pass http://vnc_proxy/;
        proxy_set_header Upgrade \$http_upgrade;
        proxy_set_header Connection "upgrade";

        # VNC connection timeout
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;

        # Disable cache
        proxy_buffering off;
    }

    location ${_MYVNC_PROXYPATH}/ {
        index vnc.html;
        alias /app/novnc/;
        try_files \$uri \$uri/ /vnc.html;

        # In the location block related to noVNC
        add_header Cache-Control no-cache;
    }
}
novnc

# Start nginx
sudo /usr/bin/nginx -g "daemon off;" &