Docker-compose file v3 version?

[Julianoe]

I'm trying to get a grip at Docker and i struggle a bit. What i'm trying to achieve is exactly what you seem to be describing in your tutorial. Multiple websites, nginx proxy, let's encrypt. The only difference is that i would use a Wordpress image because most of my websites are Wordress installs.

I see that you use a docker-compose v2: does that mean that this is outdated and i should avoid using it as a way of learning and trying to make my server work? Should i adapt it (if i can) to v3? Or it does not really matter?

[gilyes]

Yes, using the current version is probably a good idea. I believe the only change you would have to make is handle/replace the volumes_from statements that have been removed from v3.

[towry]

Hi, it seems doesn't work without volumes_from, I got this error message: Error: can't get nginx-proxy container ID !

nginx-proxy/acme-companion#19

PS, has anyone successfully setup this with docker-compose version 3?

[towry]

Changed to version 2.

[Sch-Tomi]

I did the same, here is my conf.

volumes:
  CONFD:
  VHOSTD:
  NGINX-HTML:

networks:
  homeserver-net:
    ipam:
      driver: default
      config:
        - subnet: 172.28.0.0/16

services:

  nginx:
    restart: always
    image: nginx
    container_name: nginx
    ports:
      - 80:80
      - 443:443
    volumes:
      - CONFD:/etc/nginx/conf.d
      - VHOSTD:/etc/nginx/vhost.d
      - NGINX-HTML:/usr/share/nginx/html
      - ./volumes/proxy/certs:/etc/nginx/certs:ro
    networks:
      - homeserver-net
    
  nginx-gen:
    restart: always
    image: jwilder/docker-gen
    container_name: nginx-gen
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - ./volumes/proxy/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro
      - CONFD:/etc/nginx/conf.d
      - VHOSTD:/etc/nginx/vhost.d
      - NGINX-HTML:/usr/share/nginx/html
      - ./volumes/proxy/certs:/etc/nginx/certs:ro
    #volumes_from:
      #- nginx
    entrypoint: /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
    networks:
      - homeserver-net

  letsencrypt-nginx-proxy-companion:
    restart: always
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: letsencrypt-nginx-proxy-companion
    #volumes_from:
      #- nginx
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./volumes/proxy/certs:/etc/nginx/certs:rw
      - CONFD:/etc/nginx/conf.d
      - VHOSTD:/etc/nginx/vhost.d
      - NGINX-HTML:/usr/share/nginx/html
      - ./volumes/proxy/certs:/etc/nginx/certs:ro
    environment:
      - NGINX_DOCKER_GEN_CONTAINER=nginx-gen
      - NGINX_PROXY_CONTAINER=nginx
    networks:
      - homeserver-net

  portainer:
    image: portainer/portainer
    ports:
      - 9000:9000
    restart: always
    environment:
    - VIRTUAL_HOST=
    - VIRTUAL_PORT=9000
    - VIRTUAL_NETWORK=nginx-proxy
    - LETSENCRYPT_HOST=
    - LETSENCRYPT_EMAIL=
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /mnt/R3T/portainer:/data
    networks:
      homeserver-net:
        ipv4_address: 172.28.1.4```

[taigfs]

Thanks @Sch-Tomi!

Adding the NGINX_PROXY_CONTAINER=nginx-proxy did the trick.

[qwertzui11]

I had the same issue. For me the problem was that docker-compose sometimes startet the nginx container AFTER the letsencrypt companion. I solved with depends:
checkout nginx-proxy/acme-companion#102 (comment)