ansible/roles/nextcloud/templates/nginx

server {
	listen [::]:443 http2 ssl;
	listen 443 http2 ssl;
	
	server_name {{ nextcloud_domain }};

	ssl_certificate /var/lib/dehydrated/certs/{{ nextcloud_domain }}/fullchain.pem;
	ssl_certificate_key /var/lib/dehydrated/certs/{{ nextcloud_domain }}/privkey.pem;

	# 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;

	# set max upload size
	client_max_body_size 512M;
	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;

	# 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/nextcloud;

	# 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;
	}

	location ^~ /.well-known {
		# The following 6 rules are borrowed from `.htaccess`

		location = /.well-known/carddav     { return 301 /remote.php/dav/; }
		location = /.well-known/caldav      { return 301 /remote.php/dav/; }
		include snippets/tls-acme.conf;
		# Anything else is dynamically handled by Nextcloud
		location ^~ /.well-known            { return 301 /index.php$uri; }

		try_files $uri $uri/ =404;
	}

	# 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 unix:{{ nextcloud_php_fpm }};

		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 ~ \.(?:png|html|ttf|ico|jpg|jpeg)$ {
		try_files $uri /index.php$request_uri;
		# Optional: Don't log access to other assets
		access_log off;
	}

	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
	}

	location / {
		try_files $uri $uri/ /index.php$request_uri;
	}
}