bitnami 提供的一个docker-compose 运行文件，还是很方便的，直接可以拿来使用
version: ‘2‘
services:
postgresql:
image: ‘docker.io/bitnami/postgresql:11-debian-10‘
environment:
- ALLOW_EMPTY_PASSWORD=yes
volumes:
- ‘postgresql_data:/bitnami/postgresql‘
redis:
image: ‘docker.io/bitnami/redis:6.0-debian-10‘
environment:
- ALLOW_EMPTY_PASSWORD=yes
volumes:
- ‘redis_data:/bitnami‘
discourse:
image: ‘docker.io/bitnami/discourse:2-debian-10‘
ports:
- ‘80:3000‘
depends_on:
- postgresql
- redis
volumes:
- ‘discourse_data:/bitnami‘
environment:
- POSTGRESQL_HOST=postgresql
- POSTGRESQL_ROOT_USER=postgres
- POSTGRESQL_CLIENT_CREATE_DATABASE_NAME=bitnami_application
- POSTGRESQL_CLIENT_CREATE_DATABASE_USERNAME=bn_discourse
- POSTGRESQL_CLIENT_CREATE_DATABASE_PASSWORD=bitnami1
- DISCOURSE_POSTGRESQL_NAME=bitnami_application
- DISCOURSE_POSTGRESQL_USERNAME=bn_discourse
- DISCOURSE_POSTGRESQL_PASSWORD=bitnami1
- DISCOURSE_HOSTNAME=www.example.com
sidekiq:
image: ‘docker.io/bitnami/discourse:2-debian-10‘
depends_on:
- discourse
volumes:
- ‘discourse_data:/bitnami‘
command: ‘nami start --foreground discourse-sidekiq‘
environment:
- DISCOURSE_POSTGRESQL_NAME=bitnami_application
- DISCOURSE_POSTGRESQL_USERNAME=bn_discourse
- DISCOURSE_POSTGRESQL_PASSWORD=bitnami1
- DISCOURSE_HOST=discourse
- DISCOURSE_PORT=3000
- DISCOURSE_HOSTNAME=www.example.com
volumes:
postgresql_data:
driver: local
redis_data:
driver: local
discourse_data:
driver: local
https://github.com/bitnami/bitnami-docker-discourse/blob/master/docker-compose.yml
原文：https://www.cnblogs.com/rongfengliang/p/14403480.html