Docker port change not working

Kan_Jay · 1 November 2019 10:53

I’m not sure I’m doing this right but seems like once I compose the docker image its working fine for port 80 as in the example

github.com

librenms/docker/blob/master/examples/compose/docker-compose.yml

name: librenms

services:
  db:
    image: mariadb:10.5
    container_name: librenms_db
    command:
      - "mysqld"
      - "--innodb-file-per-table=1"
      - "--lower-case-table-names=0"
      - "--character-set-server=utf8mb4"
      - "--collation-server=utf8mb4_unicode_ci"
    volumes:
      - "./db:/var/lib/mysql"
    environment:
      - "TZ=${TZ}"
      - "MYSQL_ALLOW_EMPTY_PASSWORD=yes"
      - "MYSQL_DATABASE=${MYSQL_DATABASE}"
      - "MYSQL_USER=${MYSQL_USER}"
      - "MYSQL_PASSWORD=${MYSQL_PASSWORD}"

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but if I change ports in the docker-compose.yml file to
ports:
- target: 8080
published: 8080
and run
docker-compose up -d I get ERR_CONNECTION_REFUSED with IP:8080
do I need to change this somewhere else on config?
I can see the port changed in Portainer

anyone able to help ?

Chas · 1 November 2019 11:07

You need to remap the port,

target : the port inside the container
published : the publicly exposed port
#https://docs.docker.com/compose/compose-file/

this should do the trick

target: 80
published: 8080

Kan_Jay · 1 November 2019 13:23

Thnaks you so much its worked!