Foundry VTT dockerized + traefik

docker-compose.yml

version: '3'
# to build
# docker-compose build --build-arg FOUNDRY_URL="your url" foundryvtt 
# then run 
# docker-compose up -d
services:
  foundryvtt:
    container_name: foundryvtt
    build: .
    volumes:
      - /home/volumes/foundrydata:/home/foundrydata
    restart: always
    networks:
      - web #considering your traefik is on this network
    labels:
      traefik.enable: true
      traefik.http.routers.foundryvtt.rule: "Host(`foundryvtt.example.com`)"
      traefik.http.routers.foundryvtt.entrypoints: https
      traefik.http.routers.foundryvtt.tls: true
      traefik.http.routers.foundryvtt.tls.certresolver: letsencrypt
      traefik.http.services.foundryvtt.loadbalancer.server.port: 30000
networks:
  web:
    external: true

Dockerfile

# docker build -t testfoundry --build-arg FOUNDRY_URL="your url" .
FROM node:latest
ARG FOUNDRY_URL
WORKDIR /home
RUN mkdir foundryvtt && mkdir foundrydata && cd foundryvtt && wget -q -O foundryvtt.zip "$FOUNDRY_URL" && unzip -q foundryvtt.zip && rm foundryvtt.zip
EXPOSE 30000
ENTRYPOINT node foundryvtt/resources/app/main.js --dataPath=/home/foundrydata