tailscale-docker-compose.yml

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# Phase Console + Tailscale sidecar.
# Docs: https://docs.phase.dev/self-hosting/tailscale
#
# Runs the Phase Console as a machine on your Tailscale network (tailnet):
#   - Inbound:  the Console is reachable at https://phase.<your-tailnet>.ts.net
#               with a valid TLS certificate via Tailscale Serve. No Tailscale
#               installation is required on the Docker host.
#   - Outbound: the backend and worker can reach other machines on your tailnet
#               directly, so integrations can talk to private services.
#
# The nginx, backend and worker services share the tailscale service's network
# namespace (network_mode: service:tailscale), similar to a Kubernetes pod.
# Inside that namespace, port 443 belongs to Tailscale Serve (TLS for the
# tailnet) and nginx terminates TLS for the Docker host on port 8443, which is
# published as the host's port 443. The frontend, postgres and redis services
# stay on the internal compose network and are not exposed to the tailnet.

services:
  tailscale:
    container_name: phase-tailscale
    image: tailscale/tailscale:latest
    hostname: phase # tailnet machine name -> https://phase.<your-tailnet>.ts.net
    restart: unless-stopped
    environment:
      TS_AUTHKEY: "${TS_AUTHKEY}"
      TS_STATE_DIR: /var/lib/tailscale
      TS_USERSPACE: "false" # kernel-mode networking: gives backend/worker transparent tailnet access
      TS_ACCEPT_DNS: "true" # MagicDNS: resolve tailnet hostnames from backend/worker
      TS_SERVE_CONFIG: /config/serve.json
    volumes:
      - phase-tailscale-state:/var/lib/tailscale
      - ./tailscale/serve.json:/config/serve.json:ro
    devices:
      - /dev/net/tun:/dev/net/tun
    cap_add:
      - NET_ADMIN
    ports:
      # nginx shares this network namespace, so its ports are published here.
      # Remove this section for tailnet-only access (no ports on the host).
      - 80:80
      - 443:8443
    networks:
      phase-net:
        aliases:
          # This keeps http://backend:8000 resolvable for the frontend.
          - backend

  nginx:
    container_name: phase-nginx
    build:
      context: ./nginx
      dockerfile: Dockerfile
    restart: always
    network_mode: service:tailscale
    volumes:
      - ./tailscale/nginx.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      - tailscale
      - frontend
      - backend

  frontend:
    container_name: phase-frontend
    restart: unless-stopped
    depends_on:
      - backend
    image: phasehq/frontend:latest
    env_file: .env
    environment:
      NEXTAUTH_URL: "${HTTP_PROTOCOL}${HOST}"
      BACKEND_API_BASE: "http://backend:8000"
      NEXT_PUBLIC_BACKEND_API_BASE: "/service"
    networks:
      - phase-net

  migrations:
    container_name: phase-migrations
    image: phasehq/backend:latest
    command: python manage.py migrate
    env_file: .env
    environment:
      OAUTH_REDIRECT_URI: "${HTTP_PROTOCOL}${HOST}"
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_started
    networks:
      - phase-net

  backend:
    container_name: phase-backend
    restart: unless-stopped
    network_mode: service:tailscale
    depends_on:
      tailscale:
        condition: service_started
      migrations:
        condition: service_completed_successfully
      postgres:
        condition: service_healthy
      redis:
        condition: service_started
    image: phasehq/backend:latest
    env_file: .env
    environment:
      OAUTH_REDIRECT_URI: "${HTTP_PROTOCOL}${HOST}"
      EXTERNAL_MIGRATION: "true"

  worker:
    container_name: phase-worker
    restart: unless-stopped
    network_mode: service:tailscale
    depends_on:
      tailscale:
        condition: service_started
      migrations:
        condition: service_completed_successfully
      postgres:
        condition: service_healthy
      redis:
        condition: service_started
    image: phasehq/backend:latest
    command: python manage.py rqworker default
    env_file: .env

  postgres:
    container_name: phase-postgres
    image: postgres:15.4-alpine3.17
    restart: always
    env_file:
      - .env
    environment:
      POSTGRES_DB: ${DATABASE_NAME}
      POSTGRES_USER: ${DATABASE_USER}
      POSTGRES_PASSWORD: ${DATABASE_PASSWORD}
      POSTGRES_HOST_AUTH_METHOD: "trust"
    volumes:
      - phase-postgres-data:/var/lib/postgresql/data
    networks:
      - phase-net
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DATABASE_USER} -d ${DATABASE_NAME}"]
      interval: 5s
      timeout: 5s
      retries: 5

  redis:
    container_name: phase-redis
    image: redis:alpine3.19
    restart: always
    networks:
      - phase-net

volumes:
  phase-postgres-data:
    driver: local
  phase-tailscale-state:
    driver: local

networks:
  phase-net: