matrix-docker-ansible-deploy/roles/custom/matrix-nginx-proxy/templates/nginx/conf.d/matrix-etherpad.conf.j2

#jinja2: lstrip_blocks: "True"

{% macro render_vhost_directives() %}
	gzip on;
	gzip_types text/plain application/json application/javascript text/css image/x-icon font/ttf image/gif;
	{% if matrix_nginx_proxy_hsts_preload_enabled %}
		add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
	{% else %}
		add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
	{% endif %}
	add_header X-XSS-Protection "{{ matrix_nginx_proxy_xss_protection }}";
	add_header X-Content-Type-Options nosniff;
	{% if matrix_nginx_proxy_floc_optout_enabled %}
		add_header Permissions-Policy interest-cohort=() always;
	{% endif %}

{% for configuration_block in matrix_nginx_proxy_proxy_etherpad_additional_server_configuration_blocks %}
	{{- configuration_block }}
{% endfor %}

	location / {
		{% if matrix_nginx_proxy_enabled %}
      {# Use the embedded DNS resolver in Docker containers to discover the service #}
			resolver {{ matrix_nginx_proxy_http_level_resolver }} valid=5s;
			set $backend "matrix-etherpad:9001";
			proxy_pass http://$backend;
			{# These are proxy directives needed specifically by Etherpad #}
			proxy_buffering off;
			proxy_http_version 1.1;  {# recommended with keepalive connections #}
			proxy_pass_header Server;
			proxy_set_header Host $host;
			proxy_set_header X-Forwarded-Proto {{ matrix_nginx_proxy_x_forwarded_proto_value }}; {# for EP to set secure cookie flag when https is used #}
			{# WebSocket proxying - from http://nginx.org/en/docs/http/websocket.html #}
			proxy_set_header Upgrade $http_upgrade;
			proxy_set_header Connection $connection_upgrade;
		{% else %}
			{# Generic configuration for use outside of our container setup #}
			# A good guide for setting up your Etherpad behind nginx:
			# https://docs.gandi.net/en/cloud/tutorials/etherpad_lite.html
			proxy_pass http://127.0.0.1:9001/;
		{% endif %}
	}
{% endmacro %}

server {
	listen {{ 8080 if matrix_nginx_proxy_enabled else 80 }};
	listen [::]:{{ 8080 if matrix_nginx_proxy_enabled else 80 }};

	server_name {{ matrix_nginx_proxy_proxy_etherpad_hostname }};

	server_tokens off;
	root /dev/null;

	{% if matrix_nginx_proxy_https_enabled %}
		location /.well-known/acme-challenge {
			{% if matrix_nginx_proxy_enabled %}
				{# Use the embedded DNS resolver in Docker containers to discover the service #}
				resolver {{ matrix_nginx_proxy_http_level_resolver }} valid=5s;
				set $backend "matrix-certbot:8080";
				proxy_pass http://$backend;
			{% else %}
				{# Generic configuration for use outside of our container setup #}
				proxy_pass http://127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }};
			{% endif %}
		}

		location / {
			return 301 https://$http_host$request_uri;
		}
	{% else %}
		{{ render_vhost_directives() }}
	{% endif %}
}

{% if matrix_nginx_proxy_https_enabled %}
server {
	listen {{ 8443 if matrix_nginx_proxy_enabled else 443 }} ssl http2;
	listen [::]:{{ 8443 if matrix_nginx_proxy_enabled else 443 }} ssl http2;

	server_name {{ matrix_nginx_proxy_proxy_etherpad_hostname }};

	server_tokens off;
	root /dev/null;

	ssl_certificate {{ matrix_ssl_config_dir_path }}/live/{{ matrix_nginx_proxy_proxy_etherpad_hostname }}/fullchain.pem;
	ssl_certificate_key {{ matrix_ssl_config_dir_path }}/live/{{ matrix_nginx_proxy_proxy_etherpad_hostname }}/privkey.pem;

	ssl_protocols {{ matrix_nginx_proxy_ssl_protocols }};
	{% if matrix_nginx_proxy_ssl_ciphers != '' %}
	ssl_ciphers {{ matrix_nginx_proxy_ssl_ciphers }};
	{% endif %}
	ssl_prefer_server_ciphers {{ matrix_nginx_proxy_ssl_prefer_server_ciphers }};

	{% if matrix_nginx_proxy_ocsp_stapling_enabled %}
		ssl_stapling on;
		ssl_stapling_verify on;
		ssl_trusted_certificate {{ matrix_ssl_config_dir_path }}/live/{{ matrix_nginx_proxy_proxy_etherpad_hostname }}/chain.pem;
	{% endif %}

	{% if matrix_nginx_proxy_ssl_session_tickets_off %}
		ssl_session_tickets off;
	{% endif %}
	ssl_session_cache {{ matrix_nginx_proxy_ssl_session_cache }};
	ssl_session_timeout {{ matrix_nginx_proxy_ssl_session_timeout }};

	{{ render_vhost_directives() }}
}
{% endif %}