add arion jellyfin container

hosts/common/optional/docker/jellyfin.nix

@@ -0,0 +1,30 @@
+{
+  virtualisation.arion = {
+    backend = "podman-socket";
+    projects.jellyfin = {
+      settings = {
+        services.jellyfin.service = {
+          ports = [
+            "8096:8096"
+          ];
+          image = "lscr.io/linuxserver/jellyfin:latest";
+          restart = "always";
+          volumes = [
+            "/srv/media-server/jellyfin/config:/config"
+            "/media/media/tv:/data/tvshows"
+            "/media/media/movies:/data/movies"
+            "/media/media/music/music_data:/data/music"
+            "/media/media/youtube:/data/youtube"
+            "/media/media/podcasts:/data/podcasts"
+            "/srv/media-server/jellyfin/config/custom-cont-init.d:/custom-cont-init.d:ro"
+          ];
+          environment = {
+            PUID = "1000";
+            PGID = "1000";
+          };
+          devices = ["/dev/dri:/dev/dri"];
+        };
+      };
+    };
+  };
+}