Help with Joplin Server in Docker

Operating system

Linux

Joplin version

2.14.2

Desktop version info

Linux 5.15.0-94-generic - Virginia

Sync target

Joplin Server

What issue do you have?

I'm try to get Joplin Server working in Docker.
My docker compose looks like this (in Portainer):

version: '3'

services:
    db:
        image: postgres:latest
        volumes:
            - ./data/joplin-data:/var/lib/postgresql/data
        # Removed ports section for db to make it listen only on internal network
        restart: unless-stopped
        environment:
            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
            - POSTGRES_USER=${POSTGRES_USER}
            - POSTGRES_DB=${POSTGRES_DATABASE}
        networks:
            - joplin_network

    joplinsync:
        image: joplin/server:latest
        depends_on:
            - db
        ports:
            - "22300:22300" # Binding to localhost for external access
        restart: unless-stopped
        environment:
            - APP_PORT=${APP_PORT}
            - APP_BASE_URL=${APP_BASE_URL}
            - DB_CLIENT=${DB_CLIENT}
            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
            - POSTGRES_DATABASE=${POSTGRES_DATABASE}
            - POSTGRES_USER=${POSTGRES_USER}
            - POSTGRES_PORT=5432  # Default Postgres port
            - POSTGRES_HOST=db
        networks:
            - joplin_network

networks:
    joplin_network:

I've set env variables including POSTGRES_PASSWORD, POSTGRES_USER, POSTGRES_DATABASE, DB_CLIENT, POSTGRES_PORT.

I have the APP_BASE_URL set to 127.0.0.1 and APP_PORT to 22300.

when I go to 0.0.0.0:22300, I get

Invalid URL
[Go to login page](https://#)

Joplin Server v2.14.2, copyright © 2021-2024 JOPLIN.

so obviously Joplin is serving something.

When I click on Go to login page, the url address concatenates to http://0.0.0.0:22300/127.0.0.1/login and successive clicks on the this link keep adding "127.0.0.1/login" to the url address.

I'm just trying to get this working on localhost right now. That would be a success.

What am I doing wrong?

Thanks

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