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Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>
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README.md
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# Frappe on Docker
### Getting Started
[![Build Status](https://travis-ci.com/frappe/frappe_docker.svg)](https://travis-ci.com/frappe/frappe_docker)
The templates in this repository will help deploy Frappe/ERPNext docker in a production environment.
This is a repo designed to aide setting up frappe/ERPNext on docker.
This docker installation takes care of the following:
## Getting Started
* 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
These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.
### Installation Process
Unfortunately, this container is not currently suited for a production environment (but we're working towards that goal!).
#### Setting up Pre-requisites
### Build the container and initialize the bench
This repository requires Docker and Git to be setup on the instance to be used.
**Note:** These instructions assume you have both [Docker](https://docs.docker.com/engine/installation) and [Docker Compose](https://docs.docker.com/compose/install/) installed on your system.
#### Setup Letsencrypt Nginx Proxy Companion
1. Clone this repo and change your working directory to it:
This is an optional first step. This step is only required if you want to have SSL setup on your docker instance.
```bash
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:
```sh
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:
```sh
git clone https://github.com/frappe/frappe_docker.git
cd frappe_docker/
cd frappe_docker
```
2. Build and start the container, and initialize the bench:
Copy the example docker environment file to `.env`:
```bash
./dbench setup docker
./dbench init
```
cp installation/env-example installation/.env
```
**Note:** This will take a while, as docker will now build the container.
Make a directory for sites:
3. Add a new site and start Frappe:
```bash
./dbench new-site site1.local
./dbench setup hosts
./dbench start
```sh
mkdir installation/sites
```
4. Use Frappe:
Open your browser to `localhost:8000/login`. Then log in using the username `Administrator` and the password `admin`.
#### Setup Environment Variables
### Basic Usage of `./dbench`
Docker allows passing an environment file to aide in setting up containers, which is used by this repository to pass secret and variable data.
**IMPORTANT: Always make sure that your current directory is the root directory of the repo (i.e. `frappe_docker/`)**
To get started, copy the existing `env-example` file to `.env` inside the `installation` directory. By default, the file will contain the following variables:
- `./dbench`: Launches you into an interactive shell in the container as the user `frappe`.
- `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.
- `./dbench setup docker [ stop | down ]`: Starts and builds the docker containers using `docker-compose up -d`.
- `stop`: Stops the containers with `docker-compose stop`.
- `down`: Deletes the containers and the corresponding volumes with `docker-compose down`.
#### Start Frappe/ERPNext Services
- `./dbench setup hosts`: Adds all sites to the containers hosts file.
**Note:** Run this after you've added a new site to avoid errors.
To start the Frappe/ERPNext services, run the following command:
- `./dbench -c frappe | root <command to run>`: Runs a command in the container, as the selected user.
```sh
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
```
- `./dbench -h`: Shows this help message.
Make sure to replace `<project-name>` with any desired name you wish to set for the project.
- `./dbench <bench command>`: Runs a command in bench (i.e. Running `./dbench new-site site1.local`, will run `bench new-site site1.local` in the container).
Note: use `docker-compose-frappe.yml` in case you need bench with just frappe installed.
## For More Info
#### Setup New Sites
For more info on building this docker container refer to this [Wiki](https://github.com/frappe/frappe_docker/wiki/Hitchhiker's-guide-to-building-this-frappe_docker-image)
Note:
## Contributing
- 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.
Feel free to contribute to this project and make it better.
```sh
# 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
```
## License
Environment Variables needed:
This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details
- `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.
```sh
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:
```sh
# 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
```
2. 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 :
```sh
# 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.

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# Production deployment using docker
### Setup Letsencrypt Nginx Proxy Companion
DNS needs to be configured for following to work.
Read more: https://github.com/evertramos/docker-compose-letsencrypt-nginx-proxy-companion
```sh
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
```
### Clone frappe_docker repository
```sh
cd $HOME
git clone https://github.com/frappe/frappe_docker.git
cd frappe_docker
cp installation/env-example .env
# make directory for sites
mkdir installation/sites
```
### Setup Environment Variables
Environment variables are set to pass secret and variable data.
If `env-example` is copied to `.env` following values are set.
- `VERSION=edge` set version tag or latest for major version e.g. v12.3.0, v12.
- `MYSQL_ROOT_PASSWORD=admin`, set mariadb root password (bootstraps a mariadb container with this root password). If managed database mariadb is used NO need to set the password here.
- `MARIADB_HOST=mariadb` set hostname to `mariadb` in case of docker container for mariadb is used. In case managed db is used set the hostname/IP/domain name here.
- `SITES=site1.domain.com,site2.domain.com` these are list of sites that are part of the deployment "bench". Each site is separated by (,) comma.
- `LETSENCRYPT_EMAIL=your.email@your.domain.com` email for letsencrypt expiry notification.
### Start frappe-bench services
```sh
docker-compose \
--project-name frappebench00 \
-f installation/docker-compose-common.yml \
-f installation/docker-compose-erpnext.yml \
-f installation/docker-compose-networks.yml \
--project-directory installation up -d
```
Note: use `docker-compose-frappe.yml` in case you need bench with just frappe installed.
### Create new sites
Note:
- Wait for mariadb to start. If new site creation fails re-try again after mariadb container is up and running.
- Use `.env` file or environment variables instead of passing secrets as command arguments.
```sh
# Create ERPNext site
docker exec -it \
-e "SITE_NAME=$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" \
frappebench00_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 back up user uploaded files for the sites.
```sh
docker exec -it \
-e "SITES=site1.domain.com:site2.domain.com" \
-e "WITH_FILES=1" \
frappebench00_erpnext-python_1 docker-entrypoint.sh backup
```
Backup will be available in `sites` mounted volume.
### Update and migrate site
```sh
# Change to repo root
cd $HOME/frappe_docker
# 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 frappebench00 \
-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" \
frappebench00_erpnext-python_1 docker-entrypoint.sh migrate
```
### Troubleshoot
1. Remove containers and volumes clear redis cache:
This can be used when images are upgraded and if migration fails.
```
# change to repo root
cd $HOME/frappe_docker
# Stop all bench containers
docker-compose \
--project-name frappebench00 \
-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 frappebench00 \
-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 \
frappebench00_redis-cache-vol \
frappebench00_redis-queue-vol \
frappebench00_redis-socketio-vol
# Restart project
docker-compose \
--project-name frappebench00 \
-f installation/docker-compose-common.yml \
-f installation/docker-compose-erpnext.yml \
-f installation/docker-compose-networks.yml \
--project-directory installation up -d
```
2. Clear redis cache by 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 :
```sh
# Clear the cache which is causing problem.
docker exec -it frappebench00_redis-cache_1 redis-cli FLUSHALL
docker exec -it frappebench00_redis-queue_1 redis-cli FLUSHALL
docker exec -it frappebench00_redis-socketio_1 redis-cli FLUSHALL
```
Note: Environment variables from `.env` file located at current working directory will be used.