Vaultwarden-Docker-Compose/docker-compose.yml

version: '3'

services:
  vaultwarden:
    image: vaultwarden/server:alpine
    container_name: vaultwarden
    restart: unless-stopped
    environment:
      - WEBSOCKET_ENABLED=true  # Enable WebSocket notifications.
      - DATABASE_URL=postgresql://vaultwarden:YOUR_POSTGRESQL_PASSWORD@postgres:5432/vaultwarden
      - ADMIN_TOKEN=YOUR_ADMIN_PASSWORD
    volumes:
      - vaultwarden:/data
    networks:
      - vaultwarden
      - postgres
    read_only: true
    security_opt:
      - no-new-privileges:true
    cap_drop:
      - ALL

  caddy:
    image: caddy:alpine
    container_name: caddy
    restart: unless-stopped
    ports:
      - 80:80  # Needed for the ACME HTTP-01 challenge.
      - 443:443
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:Z
      - ./caddy-config:/config:Z
      - ./caddy-data:/data:Z
    environment:
      - DOMAIN=YOUR_DOMAIN  # Your domain.
      - EMAIL=YOUR_EMAIL         # The email address to use for ACME registration.
      - LOG_FILE=/data/access.log
    networks:
      - vaultwarden
    read_only: true
    security_opt:
      - no-new-privileges:true
    cap_drop:
      - ALL
    cap_add:
      - CAP_NET_BIND_SERVICE

  postgres:
    image: docker.io/postgres-15:alpine
    container_name: postgres
    restart: unless-stopped
    volumes:
      - postgres:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=vaultwarden
      - POSTGRES_PASSWORD=YOUR_POSTGRESQL_PASSWORD
    networks:
      - postgres
    user: "70:70"
    read_only: true
    tmpfs:
      - /var/run/postgresql:size=50M,mode=0770,uid=70,gid=70,noexec,nosuid,nodev
    security_opt:
      - no-new-privileges:true
    cap_drop:
      - ALL

volumes:
  vaultwarden:
  postgres:

networks:
  vaultwarden:
  postgres: