add Caddy configuration and update docker-compose for improved service management

caddy/Caddyfile

@@ -0,0 +1,9 @@
+{
+    debug
+    email peter@peterwood.devdev
+}
+
+jellyfin.peterwood.rocks {
+    encode gzip
+    reverse_proxy https://localhost:8920
+}

caddy/docker-compose.yml

@@ -1,18 +1,16 @@
 services:
-  ts-caddy:
-    image: tailscale/tailscale:latest
-    container_name: ts-caddy
-    hostname: ts-caddy
-    environment:
-      - TS_AUTHKEY:${TAILSCALE_AUTHKEY}
-      - TS_SOCKET:/var/run/tailscale/tailscaled.sock
-    volumes:
-      - ${PWD}/ts-caddy/state:/var/lib/tailscale
-      - /dev/net/tun:/dev/net/tun
-    cap_add:
-      - net_admin
-      - sys_module
-    restart: unless-stopped
   caddy:
     image: caddy/caddy:latest
-    network_mode: service:ts-caddy
+    restart: always
+    ports:
+      - 80:80
+      - 443:443
+      - 443:443/udp
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+      - caddy_data:/data
+      - caddy_config:/config
+
+volumes:
+  caddy_data:
+  caddy_config: