this post was submitted on 25 Nov 2023
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Listmonk email server, running via docker through nginx vhost. Resolves with port at the end but I get a 502 bad gateway error without the port. (lemmy.world)
submitted 11 months ago* (last edited 11 months ago) by MaximilianKohler@lemmy.world to c/selfhosted@lemmy.world
9 comments fedilink hide all child comments
 

EDIT: It was a firewall issue. I disabled my firewall and it works.

https://listmonk.app/

The site loads properly on serverIP:5870 and if I change proxy_pass http://127.0.0.1:5870; to proxy_pass http://listmonk.mydomain.com:5870; then it will load on listmonk.mydomain.com:5870. But it gives the 502 error when I visit the site without the port.

If I set proxy_pass http://127.0.0.1:5870; and visit listmonk.mydomain.com:5870 I get:

The connection for this site is not secure
listmonk.mydomain.com sent an invalid response.
[Try running Windows Network Diagnostics](javascript:diagnoseErrors()).
ERR_SSL_PROTOCOL_ERROR

docker-compose.yml:

version: "3.7"

x-app-defaults: &app-defaults
  restart: unless-stopped
  image: listmonk/listmonk:latest
  ports:
    - "5870:9000"
  networks:
    - listmonk
  environment:
    - TZ=Etc/UTC

x-db-defaults: &db-defaults
  image: postgres:13
  ports:
    - "9432:5432"
  networks:
    - listmonk
  environment:
    - POSTGRES_PASSWORD=pw
    - POSTGRES_USER=listmonk
    - POSTGRES_DB=listmonk
  restart: unless-stopped
  healthcheck:
    test: ["CMD-SHELL", "pg_isready -U listmonk"]
    interval: 10s
    timeout: 5s
    retries: 6

services:
  db:
    <<: *db-defaults
    container_name: listmonk_db
    volumes:
      - type: volume
        source: listmonk-data
        target: /var/lib/postgresql/data

  app:
    <<: *app-defaults
    container_name: listmonk_app
    depends_on:
      - db
    volumes:
      - ./config.toml:/listmonk/config.toml
      - ./uploads:/listmonk/uploads

networks:
  listmonk:

volumes:
  listmonk-data:

nginx config:

server {
        listen              443 ssl;
        server_name            listmonk.example.com;

  location / {
     proxy_pass  http://127.0.0.1:5870;
     proxy_set_header   Host            $http_host;
     proxy_set_header   X-Real-IP       $remote_addr;
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for; 
    }

}

server {
    listen              80;
    server_name            listmonk.example.com;
      location / {
return 301 https://$host$request_uri;
      }
}
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[–] MaximilianKohler@lemmy.world 1 points 11 months ago* (last edited 11 months ago)

Thanks! I was using 127.0.0.1 because that's what other people were successfully using: https://github.com/knadh/listmonk/issues/1590#issuecomment-1812399067. I had tried variations of proxy_pass http://app:5870; because I'm running listmonk successfully on another server using proxy_pass http://app:9000;, but that is when nginx is running from inside the docker container:

services:
  db:
    <<: *db-defaults
    container_name: listmonk_db
    volumes:
      - type: volume
        source: listmonk-data
        target: /var/lib/postgresql/data

  app:
    <<: *app-defaults
    container_name: listmonk_app
    depends_on:
      - db
    volumes:
      - ./config.toml:/listmonk/config.toml
      - ./listmonk/uploads:/listmonk/uploads

  nginx:
    image: nginx:mainline-alpine
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./data/nginx:/etc/nginx/conf.d
      - ./data/certbot/conf:/etc/letsencrypt
      - ./data/certbot/www:/var/www/certbot
    networks:
      - listmonk
    depends_on:
      - app
    command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"

  certbot:
    image: certbot/certbot
    restart: unless-stopped
    container_name: certbot
    volumes:
      - ./data/certbot/conf:/etc/letsencrypt
      - ./data/certbot/www:/var/www/certbot
    networks:
      - listmonk
    depends_on:
      - nginx
    entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew; sleep 12h & wait $${!}; done;'"

I forgot to try proxy_pass http://listmonk_app:5870; though. I just tried that and I got the same error that I get with proxy_pass http://app:5870;.

Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.

systemctl status nginx.service
● nginx.service - Centmin Mod NGINX Server
   Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/nginx.service.d
           └─failure-restart.conf, openfileslimit.conf
   Active: failed (Result: start-limit) since Sun 2023-11-26 01:07:52 UTC; 1min 57s ago
  Process: 34289 ExecStop=/bin/sh -c /bin/kill -s TERM $(/bin/cat /usr/local/nginx/logs/nginx.pid) (code=exited, status=0/SUCCESS)
  Process: 18426 ExecReload=/bin/sh -c /bin/kill -s HUP $(/bin/cat /usr/local/nginx/logs/nginx.pid) (code=exited, status=0/SUCCESS)
  Process: 25700 ExecStart=/usr/local/sbin/nginx -c /usr/local/nginx/conf/nginx.conf (code=exited, status=0/SUCCESS)
  Process: 34339 ExecStartPre=/usr/local/sbin/nginx -t (code=exited, status=1/FAILURE)
 Main PID: 25702 (code=exited, status=0/SUCCESS)

Nov 26 01:07:47 centos7test systemd[1]: nginx.service: control process exited, code=exited status=1
Nov 26 01:07:47 centos7test systemd[1]: Failed to start Centmin Mod NGINX Server.
Nov 26 01:07:47 centos7test systemd[1]: Unit nginx.service entered failed state.
Nov 26 01:07:47 centos7test systemd[1]: nginx.service failed.
Nov 26 01:07:52 centos7test systemd[1]: nginx.service holdoff time over, scheduling restart.
Nov 26 01:07:52 centos7test systemd[1]: Stopped Centmin Mod NGINX Server.
Nov 26 01:07:52 centos7test systemd[1]: start request repeated too quickly for nginx.service
Nov 26 01:07:52 centos7test systemd[1]: Failed to start Centmin Mod NGINX Server.
Nov 26 01:07:52 centos7test systemd[1]: Unit nginx.service entered failed state.
Nov 26 01:07:52 centos7test systemd[1]: nginx.service failed.

journalctl -xe
--
-- The result is timeout.
Nov 26 01:08:56 centos7test systemd[1]: Dependency failed for /mnt/HC_Volume_33691542.
-- Subject: Unit mnt-HC_Volume_33691542.mount has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mnt-HC_Volume_33691542.mount has failed.
--
-- The result is dependency.
Nov 26 01:08:56 centos7test systemd[1]: Job mnt-HC_Volume_33691542.mount/start failed with result 'dependency'.
Nov 26 01:08:56 centos7test systemd[1]: Job dev-disk-by\x2did-scsi\x2d0HC_Volume_33691542.device/start failed with result 'timeout'.
Nov 26 01:09:01 centos7test systemd[1]: Started Session 313 of user root.
-- Subject: Unit session-313.scope has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit session-313.scope has finished starting up.
--
-- The start-up result is done.
Nov 26 01:09:01 centos7test CROND[34567]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Nov 26 01:09:10 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=85.203.42.26 DST= LEN
Nov 26 01:09:35 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=205.185.121.3 DST= LE
Nov 26 01:09:45 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=107.148.82.29 DST= LE
Nov 26 01:09:53 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=62.204.41.118 DST= LE
Nov 26 01:10:01 centos7test systemd[1]: Started Session 314 of user root.
-- Subject: Unit session-314.scope has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit session-314.scope has finished starting up.
--
-- The start-up result is done.
Nov 26 01:10:01 centos7test systemd[1]: Started Session 315 of user root.
-- Subject: Unit session-315.scope has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit session-315.scope has finished starting up.
--
-- The start-up result is done.
Nov 26 01:10:01 centos7test CROND[34680]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Nov 26 01:10:01 centos7test CROND[34679]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Nov 26 01:10:11 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=91.92.246.145 DST= LE
Nov 26 01:10:12 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=85.203.42.26 DST= LEN
Nov 26 01:10:21 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=85.209.11.142 DST= LE
Nov 26 01:10:22 centos7test sshd[34734]: Received disconnect from 180.101.88.196 port 14758:11:  [preauth]
Nov 26 01:10:22 centos7test sshd[34734]: Disconnected from 180.101.88.196 port 14758 [preauth]
Nov 26 01:10:40 centos7test kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=162.216.150.164 DST=
lines 1377-1425/1425 (END)