nginx.conf

server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name _;

    # Log to stdout
    access_log /dev/stdout;
    error_log /dev/stderr info;

    root /srv;

    index index.html;

    # Send everything to index.html, if it doesn't exist
    location / {
        try_files $uri /index.html;
    }

    # Show commit-id
    add_header x-vcs-revision ~REVISION_ID~ always;
    add_header x-hostname $hostname always;

    # Remove index or index.html from URIs
    if ($request_uri ~ ^.*/index$) {
        rewrite ^(.*/)index$ $1 permanent;
    }
    if ($request_uri ~ ^.*/index.html$) {
        rewrite ^(.*/)index.html$ $1 permanent;
    }

    # Remove .html from URIs
    if ($request_uri ~ ^.*\.html$) {
        rewrite ^(.*)\.html$ $1 permanent;
    }

    # Remove slashes form URIs if it's not a directory
    if (!-d $request_filename) {
        rewrite ^/(.*)/$ /$1 permanent;
    }

    # Add slashes from URIs if it's a directory
    if (-d $request_filename) {
        rewrite ^/(.*[^/])$ /$1/ permanent;
    }

    location /_status/check {
        return 200 'OK';
        add_header Content-Type text/plain;
    }
}