Set up etebase-server: secret generation, Unix socket, and nginx config

hosts/h001/mods/etebase.nix

@@ -1,30 +1,88 @@
-{ ... }:
 {
-  services.nginx.virtualHosts = {
+  config,
-    "etebase.joshuabell.xyz" = {
+  pkgs,
-      addSSL = true;
+  ...
-      sslCertificate = "/var/lib/acme/joshuabell.xyz/fullchain.pem";
+}:
-      sslCertificateKey = "/var/lib/acme/joshuabell.xyz/key.pem";
+let
-      locations = {
+  dataDir = "/var/lib/etebase-server";
-        "/" = {
+  socketPath = "/run/etebase-server/etebase-server.sock";
-          proxyWebsockets = true;
+in
-          recommendedProxySettings = true;
+{
-          proxyPass = "http://127.0.0.1:8732";
+  # Generate a secret file for Django's SECRET_KEY if it doesn't exist
-        };
+  systemd.services.etebase-server-secret = {
-      };
+    description = "Generate Etebase server secret";
+    wantedBy = [ "etebase-server.service" ];
+    before = [ "etebase-server.service" ];
+    unitConfig.ConditionPathExists = "!${dataDir}/secret.txt";
+    serviceConfig = {
+      Type = "oneshot";
+      User = "etebase-server";
+      Group = "etebase-server";
+      UMask = "0077";
     };
+    script = ''
+      ${pkgs.openssl}/bin/openssl rand -base64 64 | tr -d '\n' > ${dataDir}/secret.txt
+      chmod 600 ${dataDir}/secret.txt
+    '';
   };
 
+  # Ensure the etebase-server user/group exist before secret generation
+  users.users.etebase-server = {
+    isSystemUser = true;
+    group = "etebase-server";
+    home = dataDir;
+  };
+  users.groups.etebase-server = { };
+
+  # Pre-create data directory with correct permissions
+  systemd.tmpfiles.rules = [
+    "d '${dataDir}' 0750 etebase-server etebase-server - -"
+  ];
+
   services.etebase-server = {
     enable = true;
-    port = 8732;
+    # Use Unix socket for better security (nginx connects via socket, not TCP)
+    unixSocket = socketPath;
     settings = {
       global = {
         debug = false;
+        secret_file = "${dataDir}/secret.txt";
+        static_root = "${dataDir}/static";
+        media_root = "${dataDir}/media";
       };
       allowed_hosts = {
         allowed_host1 = "etebase.joshuabell.xyz";
       };
     };
   };
+
+  services.nginx.virtualHosts = {
+    "etebase.joshuabell.xyz" = {
+      addSSL = true;
+      sslCertificate = "/var/lib/acme/joshuabell.xyz/fullchain.pem";
+      sslCertificateKey = "/var/lib/acme/joshuabell.xyz/key.pem";
+      locations = {
+        # Serve static files directly via nginx (better performance)
+        "/static/" = {
+          alias = "${dataDir}/static/";
+          extraConfig = ''
+            expires 30d;
+            add_header Cache-Control "public, immutable";
+          '';
+        };
+        # Proxy everything else to the etebase server via Unix socket
+        "/" = {
+          proxyPass = "http://unix:${socketPath}";
+          proxyWebsockets = true;
+          recommendedProxySettings = true;
+          extraConfig = ''
+            client_max_body_size 75M;
+          '';
+        };
+      };
+    };
+  };
+
+  # Allow nginx to access the etebase socket
+  users.users.nginx.extraGroups = [ "etebase-server" ];
 }