infra: migrate to shared Caddy, remove Tailscale sidecar

docker-compose.yml

@@ -6,7 +6,7 @@ services:
     volumes:
       - ./data:/data
     networks:
-      - startpage-net
+      - startpage-internal
 
   startpage-nginx:
     image: nginx:alpine
@@ -19,30 +19,13 @@ services:
     depends_on:
       - startpage-app
     networks:
-      - startpage-net
-      - ts-startpage-net
-
-  startpage-ts:
-    image: tailscale/tailscale:latest
-    container_name: startpage-ts
-    hostname: vps-startpage-01
-    environment:
-      - TS_AUTHKEY=${TS_AUTHKEY}
-      - TS_SERVE_CONFIG=/config/serve.json
-      - TS_STATE_DIR=/var/lib/tailscale
-    volumes:
-      - ./tailscale/state:/var/lib/tailscale
-      - ./tailscale/serve.json:/config/serve.json:ro
-      - /dev/net/tun:/dev/net/tun
-    cap_add:
-      - NET_ADMIN
-      - SYS_MODULE
-    restart: unless-stopped
-    networks:
-      - ts-startpage-net
+      - startpage-internal
+      - caddy-startpage-net
 
 networks:
-  startpage-net:
+  startpage-internal:
     driver: bridge
-  ts-startpage-net:
-    driver: bridge
+    internal: true
+  caddy-startpage-net:
+    external: true
+    name: caddy_caddy-startpage-net