upstream php-handler {
{% if fpm_socket %}
{% if fpm_socket is not string %}
{% for upstream in fpm_socket %}
    server unix:{{ upstream }};
{% endfor %}
{% else %}
    server unix:{{ fpm_socket }};
{% endif %}
{% else %}
    server {{ fpm_server }}:{{ fpm_server_port }};
{% endif %}
}

server {
    listen 80;
    listen [::]:80;
    server_name {{ domain | join(' ') }};

    # Add headers to serve security related headers
    # Before enabling Strict-Transport-Security headers please read into this
    # topic first.
    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
    #
    # WARNING: Only add the preload option once you read about
    # the consequences in https://hstspreload.org/. This option
    # will add the domain to a hardcoded list that is shipped
    # in all major browsers and getting removed from this list
    # could take several months.
    add_header Referrer-Policy "no-referrer" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Download-Options "noopen" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Permitted-Cross-Domain-Policies "none" always;
    add_header X-Robots-Tag "none" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Remove X-Powered-By, which is an information leak
    fastcgi_hide_header X-Powered-By;

    # Path to the root of your installation
    root /var/www/nextcloud;

    location = /robots.txt {
        allow all;
        log_not_found off;
        access_log off;
    }

    # Make a regex exception for `/.well-known` so that clients can still
    # access it despite the existence of the regex rule
    # `location ~ /(\.|autotest|...)` which would otherwise handle requests
    # for `/.well-known`.
    location ^~ /.well-known {
        # The rules in this block are an adaptation of the rules
        # in `.htaccess` that concern `/.well-known`.

        location = /.well-known/carddav { return 301 https://$host/remote.php/dav/; }
        location = /.well-known/caldav  { return 301 https://$host/remote.php/dav/; }

        # The following rule is only needed for the Social app.
        # Uncomment it if you're planning to use this app.
        location = /.well-known/webfinger	{ return 301 https://$host/public.php?service=webfinger; }

        # The following 2 rules are only needed for the user_webfinger app.
        # Uncomment it if you're planning to use this app.
        location = /.well-known/host-meta	{ return 301 https://$host/public.php?service=host-meta; }
        location = /.well-known/host-meta.json	{ return 301 https://$host/public.php?service=host-meta-json; }

        location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
        location /.well-known/pki-validation    { try_files $uri $uri/ =404; }

        # Let Nextcloud's API for `/.well-known` URIs handle all other
        # requests by passing them to the front-end controller.
        return 301 https://$host/index.php$request_uri;
    }

    # set max upload size
    client_max_body_size {{ nextcloud_php_upload_limit }};
    fastcgi_buffers 128 4K;

    # Enable gzip but do not remove ETag headers
    gzip on;
    gzip_vary on;
    gzip_comp_level 4;
    gzip_min_length 256;
    gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
    gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;

    # Uncomment if your server is build with the ngx_pagespeed module
    # This module is currently not supported.
    #pagespeed off;

    location / {
        rewrite ^ /index.php;
    }

    location ~ ^\/(?:build|tests|config|lib|3rdparty|templates|data)\/ {
        deny all;
    }
    location ~ ^\/(?:\.|autotest|occ|issue|indie|db_|console) {
        deny all;
    }

    location ~ ^\/(?:index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy)\.php(?:$|\/) {
        fastcgi_split_path_info ^(.+?\.php)(\/.*|)$;
        set $path_info $fastcgi_path_info;
        try_files $fastcgi_script_name =404;
        fastcgi_param SCRIPT_FILENAME /var/www/html$fastcgi_script_name;
        fastcgi_param SCRIPT_NAME $fastcgi_script_name;
        fastcgi_param PATH_INFO $path_info;
        fastcgi_param HTTPS $https;
        fastcgi_param HTTP_PROXY "";
        fastcgi_param REMOTE_ADDR $remote_addr;
        # Avoid sending the security headers twice
        fastcgi_param modHeadersAvailable true;
        # Enable pretty urls
        fastcgi_param front_controller_active true;
        fastcgi_pass php-handler;
        include fastcgi_params;
        fastcgi_intercept_errors on;
        fastcgi_request_buffering off;
    }

    location ~ ^\/(?:updater|oc[ms]-provider)(?:$|\/) {
        try_files $uri/ =404;
        index index.php;
    }

    # Adding the cache control header for js, css and map files
    # Make sure it is BELOW the PHP block
    location ~ \.(?:css|js|woff2?|svg|gif|map)$ {
        expires 1d;
        # How `sendfile`, `tcp_nopush` and `tcp_nodelay` interact
        # https://thoughts.t37.net/nginx-optimization-understanding-sendfile-tcp-nodelay-and-tcp-nopush-c55cdd276765?gi=f11af534b564
        sendfile on; # use `sendfile` syscall, which is a DMA (zero-copy) call
        tcp_nopush on; # wait until the file is fully "read"
        tcp_nodelay on; # always immediately flush, never wait for a full packet worth of data (default wait interval = 200ms)
        aio on; #async IO for files
        open_file_cache max=10000; # cache metadata for up to 10000 files
        open_file_cache_valid 3600s; # previous cache is valid for 1h
        open_file_cache_errors off; # except if there was an error, that is not cached
        try_files $uri /index.php$request_uri;
        add_header Cache-Control "public, max-age=15778463";
        # Add headers to serve security related headers (It is intended to
        # have those duplicated to the ones above)
        # Before enabling Strict-Transport-Security headers please read into
        # this topic first.
        #add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
        #
        # WARNING: Only add the preload option once you read about
        # the consequences in https://hstspreload.org/. This option
        # will add the domain to a hardcoded list that is shipped
        # in all major browsers and getting removed from this list
        # could take several months.
        add_header Referrer-Policy "no-referrer" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-Download-Options "noopen" always;
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Permitted-Cross-Domain-Policies "none" always;
        add_header X-Robots-Tag "none" always;
        add_header X-XSS-Protection "1; mode=block" always;

        # Optional: Don't log access to assets
        access_log off;
    }

    location ~ \.(?:png|html|ttf|ico|jpg|jpeg|bcmap|mp4|webm)$ {
        expires 1d;
        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        open_file_cache max=10000;
        open_file_cache_valid 3600s;
        open_file_cache_errors off;
        try_files $uri /index.php$request_uri;
        # Optional: Don't log access to other assets
        access_log off;
    }
}