- add guide to documentation and example files to repository to run coturn alongside PairDrop via Docker Compose

- enable TURN over TLS
- modified the .gitignore to ignore files with user-data
- should fix #105
- partly cherry-picked from #106

Co-authored-by: xundeenergie <xundeenergie@users.noreply.github.com>

docker-compose-coturn.yml

@@ -4,20 +4,28 @@ services:
     image: "lscr.io/linuxserver/pairdrop:latest"
     container_name: pairdrop
     restart: unless-stopped
+    volumes:
+      - ./rtc_config.json:/home/node/app/rtc_config.json
     environment:
       - PUID=1000 # UID to run the application as
       - PGID=1000 # GID to run the application as
       - WS_FALLBACK=false # Set to true to enable websocket fallback if the peer to peer WebRTC connection is not available to the client.
       - RATE_LIMIT=false # Set to true to limit clients to 1000 requests per 5 min.
-      - RTC_CONFIG=false # Set to the path of a file that specifies the STUN/TURN servers.
+      - RTC_CONFIG=/home/node/app/rtc_config.json # Set to the path of a file that specifies the STUN/TURN servers.
       - DEBUG_MODE=false # Set to true to debug container and peer connections.
       - TZ=Etc/UTC # Time Zone
     ports:
       - "127.0.0.1:3000:3000" # Web UI. Change the port number before the last colon e.g. `127.0.0.1:9000:3000`
   coturn_server:
     image: "coturn/coturn"
-    restart: always
-    network_mode: "host"
+    restart: unless-stopped
     volumes:
       - ./turnserver.conf:/etc/coturn/turnserver.conf
-    #you need to copy turnserver_example.conf to turnserver.conf and specify domain, IP address, user and password
+      - ./ssl/:/etc/coturn/ssl/
+    ports:
+      - "3478:3478"
+      - "3478:3478/udp"
+      - "5349:5349"
+      - "5349:5349/udp"
+      - "10000-20000:10000-20000/udp"
+    # see guide at docs/host-your-own.md#coturn-and-pairdrop-via-docker-compose