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Docker images for production and development setups of the Frappe framework and ERPNext
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Chinmay D. Pai c21d26fa36
chore: remove redundant docker-compose
Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>
2020-03-02 23:47:13 +05:30
build fix: erpnext-assets v12 build 2020-03-02 22:58:52 +05:30
installation chore: clean up and update readme 2020-03-02 10:59:25 +05:30
.dockerignore chore: cleanup redundant files 2020-03-02 23:10:16 +05:30
.gitignore feat: docker-compose services 2020-02-20 22:35:49 +05:30
.travis.yml chore: remove dbench test 2020-03-02 23:10:19 +05:30
frappe-installer chore: remove redundant docker-compose 2020-03-02 23:47:13 +05:30
LICENSE.md Rename LICENSE to LICENSE.md 2017-10-02 09:48:51 +05:30
README.md chore: clean up and update readme 2020-03-02 10:59:25 +05:30

Getting Started

The templates in this repository will help deploy Frappe/ERPNext docker in a production environment.

This docker installation takes care of the following:

  • Setting up the desired version of Frappe/ERPNext.
  • Setting up all the system requirements: eg. MariaDB, Node, Redis.
  • [OPTIONAL] Configuring networking for remote access and setting up LetsEncrypt

Installation Process

Setting up Pre-requisites

This repository requires Docker and Git to be setup on the instance to be used.

Setup Letsencrypt Nginx Proxy Companion

This is an optional first step. This step is only required if you want to have SSL setup on your docker instance.

This step also assumes that the DNS is preconfigured since it automatically handles setup and renewal of SSL certificates.

For more details, see: https://github.com/evertramos/docker-compose-letsencrypt-nginx-proxy-companion

To setup the proxy companion, run the following steps:

cd $HOME
git clone https://github.com/evertramos/docker-compose-letsencrypt-nginx-proxy-companion.git
cd docker-compose-letsencrypt-nginx-proxy-companion
cp .env.sample .env
./start.sh

Setting up Frappe/ERPNext Docker

Clone this repository somewhere in your system:

git clone https://github.com/frappe/frappe_docker.git
cd frappe_docker

Copy the example docker environment file to .env:

cp installation/env-example installation/.env

Make a directory for sites:

mkdir installation/sites

Setup Environment Variables

Docker allows passing an environment file to aide in setting up containers, which is used by this repository to pass secret and variable data.

To get started, copy the existing env-example file to .env inside the installation directory. By default, the file will contain the following variables:

  • VERSION=edge
    • In this case, edge corresponds to develop. To setup any other version, you may use the branch name or version specific tags. (eg. version-12, v11.1.15, v11)
  • MYSQL_ROOT_PASSWORD=admin
    • Bootstraps a MariaDB container with this value set as the root password. If a managed MariaDB instance is to be used, there is no need to set the password here.
  • MARIADB_HOST=mariadb
    • Sets the hostname to mariadb. This is required if the database is managed with the containerized MariaDB instance.
    • In case of a separately managed database setup, set the value to the database's hostname/IP/domain.
  • SITES=site1.domain.com,site2.domain.com
    • List of sites that are part of the deployment "bench". Each site is separated by a comma(,).
    • If LetsEncrypt is being setup, make sure that the DNS for all the site domains are pointing to the current instance.
  • LETSENCRYPT_EMAIL=your.email@your.domain.com
    • Email for LetsEncrypt expiry notification. This is only required if you are setting up the nginx proxy companion.

Start Frappe/ERPNext Services

To start the Frappe/ERPNext services, run the following command:

docker-compose \
    --project-name <project-name> \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    -f installation/docker-compose-networks.yml \
    --project-directory installation up -d

Make sure to replace <project-name> with any desired name you wish to set for the project.

Note: use docker-compose-frappe.yml in case you need bench with just frappe installed.

Setup New Sites

Note:

  • Wait for the mariadb service to start before trying to create a new site.
    • If new site creation fails, retry after the mariadb container is up and running.
    • If you're using a managed database instance, make sure that the database is running before setting up a new site.
  • Use .env file or environment variables instead of passing secrets as command arguments.
# Create ERPNext site
docker exec -it \
    -e "SITE_NAME=$SITE_NAME" \
    -e "DB_ROOT_USER=$DB_ROOT_USER" \
    -e "MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD" \
    -e "ADMIN_PASSWORD=$ADMIN_PASSWORD" \
    -e "INSTALL_ERPNEXT=1" \
    <project-name>_erpnext-python_1 docker-entrypoint.sh new

Environment Variables needed:

  • SITE_NAME: name of the new site to create.
  • DB_ROOT_USER: MariaDB Root user. The user that can create databases.
  • MYSQL_ROOT_PASSWORD: In case of mariadb docker container use the one set in MYSQL_ROOT_PASSWORD in previous steps. In case of managed database use appropriate password.
  • ADMIN_PASSWORD: set the administrator password for new site.
  • INSTALL_ERPNEXT=1: available only in erpnext-worker and erpnext containers. Installs ERPNext on this new site.
  • FORCE=1: is optional variable which force installs the same site.

Backup Sites

Environment Variables

  • SITES is list of sites separated by (:) colon to migrate. e.g. SITES=site1.domain.com or SITES=site1.domain.com:site2.domain.com By default all sites in bench will be backed up.
  • WITH_FILES if set to 1, it will backup user uploaded files for the sites.
docker exec -it \
    -e "SITES=site1.domain.com:site2.domain.com" \
    -e "WITH_FILES=1" \
    <project-name>_erpnext-python_1 docker-entrypoint.sh backup

Backup will be available in the sites mounted volume.

Updating and Migrating Sites

Switch to the root of the frappe_docker directory before running the following commands:

# Update environment variable VERSION
nano .env

# Pull new images
docker-compose \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    pull

# Restart containers
docker-compose \
    --project-name <project-name> \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    -f installation/docker-compose-networks.yml \
    --project-directory installation up -d

docker exec -it \
    -e "MAINTENANCE_MODE=1" \
    <project-name>_erpnext-python_1 docker-entrypoint.sh migrate

Troubleshoot

  1. Remove containers and volumes, and clear redis cache:

This can be used when existing images are upgraded and migration fails.

# change to repo root
cd $HOME/frappe_docker

# Stop all bench containers
docker-compose \
    --project-name <project-name> \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    -f installation/docker-compose-networks.yml \
    --project-directory installation stop

# Remove redis containers
docker-compose \
    --project-name <project-name> \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    -f installation/docker-compose-networks.yml \
    --project-directory installation rm redis-cache redis-queue redis-socketio

# Clean redis volumes
docker volume rm \
    <project-name>_redis-cache-vol \
    <project-name>_redis-queue-vol \
    <project-name>_redis-socketio-vol

# Restart project
docker-compose \
    --project-name <project-name> \
    -f installation/docker-compose-common.yml \
    -f installation/docker-compose-erpnext.yml \
    -f installation/docker-compose-networks.yml \
    --project-directory installation up -d
  1. Clear redis cache using docker exec command:

In case of following error during container restarts:

frappe-worker-short_1    | Traceback (most recent call last):
frappe-worker-short_1    |   File "/home/frappe/frappe-bench/commands/worker.py", line 5, in <module>
frappe-worker-short_1    |     start_worker(queue, False)
frappe-worker-short_1    |   File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/background_jobs.py", line 147, in start_worker
frappe-worker-short_1    |     Worker(queues, name=get_worker_name(queue)).work(logging_level = logging_level)
frappe-worker-short_1    |   File "/home/frappe/frappe-bench/env/lib/python3.7/site-packages/rq/worker.py", line 474, in work
frappe-worker-short_1    |     self.register_birth()
frappe-worker-short_1    |   File "/home/frappe/frappe-bench/env/lib/python3.7/site-packages/rq/worker.py", line 261, in register_birth
frappe-worker-short_1    |     raise ValueError(msg.format(self.name))
frappe-worker-short_1    | ValueError: There exists an active worker named '8dfe5c234085.10.short' already

Use commands :

# Clear the cache which is causing problem.

docker exec -it <project-name>_redis-cache_1 redis-cli FLUSHALL
docker exec -it <project-name>_redis-queue_1 redis-cli FLUSHALL
docker exec -it <project-name>_redis-socketio_1 redis-cli FLUSHALL

Note: Environment variables from .env file located at current working directory will be used.