env-docker/Config/ReverseProxy/docker-compose.micro.yml

# 2022-10-05 Hyperling
# Reverse Proxy with LetsEncrypt Certbot.
# This is a revised version of these works:
#   https://phoenixnap.com/kb/docker-nginx-reverse-proxy
#   https://www.docker.com/blog/how-to-use-the-official-nginx-docker-image/
#   https://pentacent.medium.com/nginx-and-lets-encrypt-with-docker-in-less-than-5-minutes-b4b8a60d3a71

services:

  app:
    container_name: rp-app
    build:
      context: ./
      network: host
    restart: always
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ../../Volumes/ReverseProxy/letsencrypt:/etc/nginx/letsencrypt
      - ../../Volumes/ReverseProxy/letsencrypt-certs:/etc/nginx/certs
    command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
    deploy:
      mode: global
      resources:
        limits:
          cpus: '0.20'
          memory: 64M

  certbot:
    container_name: rp-certbot
    image: certbot/certbot
    restart: always
    volumes:
      - ../../Volumes/ReverseProxy/letsencrypt:/etc/letsencrypt
      - ../../Volumes/ReverseProxy/letsencrypt-certs:/etc/letsencrypt/nginx
    entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew; cp -rL /etc/letsencrypt/live/* /etc/letsencrypt/nginx/; sleep 12h & wait $${!}; done;'"
    deploy:
      mode: global
      resources:
        limits:
          cpus: '0.10'
          memory: 32M