webserver: Use a hardened systemd unit instead of a container

configuration/default.nix

@@ -13,7 +13,6 @@
   ];
 
   nix = {
-    # Enable flakes
     package = pkgs.nixFlakes;
     extraOptions = ''
       experimental-features = nix-command flakes
@@ -26,6 +25,8 @@
   nixpkgs.config.allowUnfreePredicate = pkg:
     builtins.elem (lib.getName pkg) ["steam-runtime" "steamcmd"];
 
+  # Optimization for minecraft servers, see:
+  # https://bugs.mojang.com/browse/MC-183518
   boot.kernelParams = ["highres=off" "nohz=off"];
 
   networking = {

configuration/linode.nix

@@ -1,4 +1,4 @@
-{...}: {
+{
   # Required for the lish console
   boot.kernelParams = ["console=ttyS0,19200n8"];
 

configuration/services/configs/nginx-nextcloud.conf

@@ -1,167 +0,0 @@
-worker_processes auto;
-
-error_log  /var/log/nginx/error.log warn;
-pid        /var/run/nginx.pid;
-
-
-events {
-    worker_connections  1024;
-}
-
-
-http {
-    include       /etc/nginx/mime.types;
-    default_type  application/octet-stream;
-
-    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
-                      '$status $body_bytes_sent "$http_referer" '
-                      '"$http_user_agent" "$http_x_forwarded_for"';
-
-    access_log  /var/log/nginx/access.log  main;
-
-    sendfile        on;
-    #tcp_nopush     on;
-
-    keepalive_timeout  65;
-
-    #gzip  on;
-
-    upstream php-handler {
-        server localhost:9000;
-    }
-
-    server {
-        listen 80;
-
-        # HSTS settings
-        # 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 Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
-
-        # HTTP response headers borrowed from Nextcloud `.htaccess`
-        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/html;
-
-        # Specify how to handle directories -- specifying `/index.php$request_uri`
-        # here as the fallback means that Nginx always exhibits the desired behaviour
-        # when a client requests a path that corresponds to a directory that exists
-        # on the server. In particular, if that directory contains an index.php file,
-        # that file is correctly served; if it doesn't, then the request is passed to
-        # the front-end controller. This consistent behaviour means that we don't need
-        # to specify custom rules for certain paths (e.g. images and other assets,
-        # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
-        # `try_files $uri $uri/ /index.php$request_uri`
-        # always provides the desired behaviour.
-        index index.php index.html /index.php$request_uri;
-
-        # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
-        location = / {
-            if ( $http_user_agent ~ ^DavClnt ) {
-                return 302 /remote.php/webdav/$is_args$args;
-            }
-        }
-
-        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 /remote.php/dav/; }
-            location = /.well-known/caldav  { return 301 /remote.php/dav/; }
-
-            location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
-            location /.well-known/pki-validation    { try_files $uri $uri/ =404; }
-
-            # Let Nextcloud's API for `/.well-known` URIs handle all other
-            # requests by passing them to the front-end controller.
-            return 301 /index.php$request_uri;
-        }
-
-        # set max upload size
-        client_max_body_size 10G;
-        fastcgi_buffers 64 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;
-
-        # Pagespeed is not supported by Nextcloud, so if your server is built
-        # with the `ngx_pagespeed` module, uncomment this line to disable it.
-        #pagespeed off;
-
-        # Rules borrowed from `.htaccess` to hide certain paths from clients
-        location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)  { return 404; }
-        location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console)                { return 404; }
-
-        # Ensure this block, which passes PHP files to the PHP process, is above the blocks
-        # which handle static assets (as seen below). If this block is not declared first,
-        # then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
-        # to the URI, resulting in a HTTP 500 error response.
-        location ~ \.php(?:$|/) {
-            fastcgi_split_path_info ^(.+?\.php)(/.*)$;
-            set $path_info $fastcgi_path_info;
-
-            try_files $fastcgi_script_name =404;
-
-            include fastcgi_params;
-            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
-            fastcgi_param PATH_INFO $path_info;
-            #fastcgi_param HTTPS on;
-
-            fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
-            fastcgi_param front_controller_active true;     # Enable pretty urls
-            fastcgi_pass php-handler;
-
-            fastcgi_intercept_errors on;
-            fastcgi_request_buffering off;
-        }
-
-        location ~ \.(?:css|js|svg|gif)$ {
-            try_files $uri /index.php$request_uri;
-            expires 6M;         # Cache-Control policy borrowed from `.htaccess`
-            access_log off;     # Optional: Don't log access to assets
-        }
-
-        location ~ \.woff2?$ {
-            try_files $uri /index.php$request_uri;
-            expires 7d;         # Cache-Control policy borrowed from `.htaccess`
-            access_log off;     # Optional: Don't log access to assets
-        }
-
-        # Rule borrowed from `.htaccess`
-        location /remote {
-            return 301 /remote.php$request_uri;
-        }
-
-        location / {
-            try_files $uri $uri/ /index.php$request_uri;
-        }
-    }
-}