{ config, pkgs, inputs, lib, ... }: let # You'll need to edit these values # The hostname that will appear in your user and room IDs server_name = "matrix.gladtherescake.eu"; # An admin email for TLS certificate notifications admin_email = "letsencrypt@gladtherescake.eu"; # These ones you can leave alone # Build a dervation that stores the content of `${server_name}/.well-known/matrix/server` well_known_server = pkgs.writeText "well-known-matrix-server" '' { "m.server": "${server_name}" } ''; # Build a dervation that stores the content of `${server_name}/.well-known/matrix/client` well_known_client = pkgs.writeText "well-known-matrix-client" '' { "m.homeserver": { "base_url": "https://${server_name}" } } ''; in { # Configure Conduit itself services.matrix-conduit = { enable = true; # This causes NixOS to use the flake defined in this repository instead of # the build of Conduit built into nixpkgs. package = inputs.conduit.packages.${pkgs.system}.default; settings.global = { inherit server_name; database_backend = "sqlite"; }; }; # Configure automated TLS acquisition/renewal security.acme = { acceptTerms = true; defaults = { email = admin_email; }; }; # ACME data must be readable by the NGINX user users.users.nginx.extraGroups = [ "acme" ]; # Configure NGINX as a reverse proxy services.nginx = { enable = true; recommendedProxySettings = true; virtualHosts = { "${server_name}" = { forceSSL = true; enableACME = true; listen = [ { addr = "0.0.0.0"; port = 443; ssl = true; } { addr = "[::]"; port = 443; ssl = true; } { addr = "0.0.0.0"; port = 8448; ssl = true; } { addr = "[::]"; port = 8448; ssl = true; } ]; locations."/_matrix/" = { proxyPass = "http://backend_conduit"; proxyWebsockets = true; extraConfig = '' proxy_set_header Host $host; proxy_buffering off; ''; }; locations."=/.well-known/matrix/server" = { # Use the contents of the derivation built previously alias = "${well_known_server}"; extraConfig = '' # Set the header since by default NGINX thinks it's just bytes default_type application/json; ''; }; locations."=/.well-known/matrix/client" = { # Use the contents of the derivation built previously alias = "${well_known_client}"; extraConfig = '' # Set the header since by default NGINX thinks it's just bytes default_type application/json; # https://matrix.org/docs/spec/client_server/r0.4.0#web-browser-clients add_header Access-Control-Allow-Origin "*"; ''; }; extraConfig = '' merge_slashes off; ''; }; }; upstreams = { "backend_conduit" = { servers = { "[::1]:${toString config.services.matrix-conduit.settings.global.port}" = {}; }; }; }; }; # Open firewall ports for HTTP, HTTPS, and Matrix federation networking.firewall.allowedTCPPorts = [80 443 8448]; networking.firewall.allowedUDPPorts = [80 443 8448]; }