include example files to run an own TURN server via coturn or via docker-compose

docker-compose-coturn.yml

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+version: "3"
+services:
+  node:
+    image: "node:lts-alpine"
+    user: "node"
+    working_dir: /home/node/app
+    volumes:
+      - ./:/home/node/app
+    command: ash -c "npm i && npm run start:prod"
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+  coturn_server:
+    image: "coturn/coturn"
+    restart: always
+    network_mode: "host"
+    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

turnserver_example.conf

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+# TURN server name and realm
+realm=<DOMAIN>
+server-name=pairdrop
+
+# IPs the TURN server listens to
+listening-ip=0.0.0.0
+
+# External IP-Address of the TURN server
+external-ip=<IP_ADDRESS>
+
+# Main listening port
+listening-port=3478
+
+# Further ports that are open for communication
+min-port=10000
+max-port=20000
+
+# Use fingerprint in TURN message
+fingerprint
+
+# Log file path
+log-file=/var/log/turnserver.log
+
+# Enable verbose logging
+verbose
+
+# Specify the user for the TURN authentification
+user=user:password
+
+# Enable long-term credential mechanism
+lt-cred-mech
+
+# SSL certificates
+cert=/etc/letsencrypt/live/<DOMAIN>/cert.pem
+pkey=/etc/letsencrypt/live/<DOMAIN>/privkey.pem
+
+# 443 for TURN over TLS, which can bypass firewalls
+tls-listening-port=443