docker-compose.yml

services:
# Make sure you have updated/checked the .env file with the correct variables. 
# All the ${ xx } need to be defined there.
  # Tailscale Sidecar Configuration
  tailscale:
    image: tailscale/tailscale:latest # Image to be used
    container_name: tailscale-${SERVICE} # Name for local container management
    hostname: ${SERVICE} # Name used within your Tailscale environment
    environment:
      - TS_AUTHKEY=${TS_AUTHKEY}
      - TS_STATE_DIR=/var/lib/tailscale
      - TS_EXTRA_ARGS=--advertise-exit-node
      - TS_USERSPACE=false
      - TS_ENABLE_HEALTH_CHECK=true              # Enable healthcheck endpoint: "/healthz"
      - TS_LOCAL_ADDR_PORT=127.0.0.1:41234       # The <addr>:<port> for the healthz endpoint
      #- TS_EXTRA_ARGS=--accept-dns=true # Uncomment when using MagicDNS
    volumes:
      - ${PWD}/config:/config # Config folder used to store Tailscale files - you may need to change the path
      - ${PWD}/ts/state:/var/lib/tailscale # Tailscale requirement - you may need to change the path
    devices:
      - /dev/net/tun:/dev/net/tun # Network configuration for Tailscale to work
    dns:
      - 1.1.1.1 # Can be changed to your desired DNS provider
    sysctls:
      net.ipv4.ip_forward: 1
      net.ipv6.conf.all.forwarding: 1
    cap_add:
      - net_admin # Tailscale requirement
      - sys_module # Tailscale requirement
    network_mode: bridge
    healthcheck:
      test: ["CMD", "wget", "--spider", "-q", "http://127.0.0.1:41234/healthz"] # Check Tailscale has a Tailnet IP and is operational
      interval: 1m # How often to perform the check
      timeout: 10s # Time to wait for the check to succeed
      retries: 3 # Number of retries before marking as unhealthy
      start_period: 10s # Time to wait before starting health checks
    restart: always