My self-hosting `docker-compose.yml` file. To use, 1) set up your DNS, 2) replace domain/email fields, 3) execute `docker-compose up -d`. Should work.

docker-compose.yml

version: '2'

services:

  portainer:
    image: portainer/portainer
    container_name: portainer
    restart: always
    environment:
      - VIRTUAL_HOST=docker.DOMAIN.TLD
      - LETSENCRYPT_HOST=docker.DOMAIN.TLD
      - LETSENCRYPT_EMAIL=EMAIL@DOMAIN.TLD
    volumes: 
      - ./portainer/:/data
      - /var/run/docker.sock:/var/run/docker.sock
    ports:
      - "9000:9000"

  freshrss:
    image: linuxserver/freshrss
    container_name: freshrss
    restart: unless-stopped
    environment:
      - VIRTUAL_HOST=feed.DOMAIN.TLD
      - LETSENCRYPT_HOST=feed.DOMAIN.TLD
      - LETSENCRYPT_EMAIL=EMAIL@DOMAIN.TLD
      - PGID=1001
      - PUID=1000
    volumes:
      - ./freshrss:/config
    ports:
      - "667:80"
    networks:
      - proxy-tier
      - default

  gitea:
    image: gitea/gitea:latest
    container_name: gitea
    restart: unless-stopped
    environment:
      - VIRTUAL_HOST=gitea.DOMAIN.TLD
      - LETSENCRYPT_HOST=gitea.DOMAIN.TLD
      - LETSENCRYPT_EMAIL=EMAIL@DOMAIN.TLD
      - USER_UID=1000
      - USER_GID=1000
      - ROOT_URL=https://gitea.DOMAIN.TLD
      - DOMAIN=gitea.DOMAIN.TLD
      - PROTOCOL=http
      - VIRTUAL_PORT=3000
    volumes:
      - ./gitea:/data
    ports:
      - "5000:3000"
      - "222:22"
    networks:
      - proxy-tier
      - default

  nextcloud:
    image: nextcloud:apache
    container_name: nextcloud
    restart: unless-stopped
    environment:
      - VIRTUAL_HOST=cloud.DOMAIN.TLD
      - LETSENCRYPT_HOST=cloud.DOMAIN.TLD
      - LETSENCRYPT_EMAIL=EMAIL@DOMAIN.TLD
      - PGID=999
      - PUID=1000
    volumes:
      - ./nextcloud:/var/www/html
      - ./uploadsize.conf:/etc/nginx/conf.d/uploadsize.conf
    ports:
      - "666:80"
    networks:
      - proxy-tier
      - default
    depends_on:
      - "db"
    links:
      - "redis"
 
  redis:
    image: redis
    container_name: redis
    restart: unless-stopped
    volumes:
      - ./redis:/data

  db:
    image: mariadb
    container_name: db
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: SECRET
    volumes:
      - ./db:/var/lib/mysql
    ports:
      - "3306:3306"

  proxy:
    image: jwilder/nginx-proxy
    container_name: proxy
    restart: unless-stopped
    labels:
      com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy: "true"
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - certs:/etc/nginx/certs:rw
      - vhost.d:/etc/nginx/vhost.d
      - html:/usr/share/nginx/html
      - ./uploadsize.conf:/etc/nginx/conf.d/uploadsize.conf:ro
    environment:
      - DEFAULT_HOST=cloud.joelhans.com
    ports:
      - "80:80"
      - "443:443"
    networks:
      - "default"
      - "proxy-tier"

  proxy-letsencrypt:
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: letsencrypt
    restart: unless-stopped
    environment:
      - NGINX_PROXY_CONTAINER=proxy
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    volumes_from:
      - "proxy"
    depends_on:
      - "proxy"
    networks:
      - "default"
      - "proxy-tier"

volumes:
  certs:
  vhost.d:
  html:

networks:
  proxy-tier: