Add syncthing

syncthing/docker-compose.yml

@@ -0,0 +1,27 @@
+services:
+  syncthing:
+    container_name: syncthing
+    image: ghcr.io/syncthing/syncthing:2.0.14
+    restart: unless-stopped
+    hostname: ${HOSTNAME}
+    environment:
+      - PUID=${PUID}
+      - PGID=${PGID}
+    volumes:
+      - ${APPDATA_PATH}/syncthing/data:/var/syncthing
+    ports:
+      - 8384:8384          # Web UI
+      - 22000:22000/tcp    # TCP file transfers
+      - 22000:22000/udp    # QUIC file transfers
+      - 21027:21027/udp    # Local discovery broadcasts
+    healthcheck:
+      test: curl -fkLsS -m 2 127.0.0.1:8384/rest/noauth/health | grep -o --color=never OK || exit 1
+      interval: 1m
+      timeout: 10s
+      retries: 3
+    networks:
+      - frontend
+
+networks:
+  frontend:
+    external: true